CN113189420B - Power distribution detection device for data center - Google Patents

Power distribution detection device for data center Download PDF

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Publication number
CN113189420B
CN113189420B CN202110401003.6A CN202110401003A CN113189420B CN 113189420 B CN113189420 B CN 113189420B CN 202110401003 A CN202110401003 A CN 202110401003A CN 113189420 B CN113189420 B CN 113189420B
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China
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power
voltage
information
detection
low
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CN113189420A (en
Inventor
赵希峰
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Beijing Zhongda Kehui Technology Development Co ltd
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Beijing Zhongda Kehui Technology Development Co ltd
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    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/34—Testing dynamo-electric machines
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/40—Testing power supplies
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00001—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by the display of information or by user interaction, e.g. supervisory control and data acquisition systems [SCADA] or graphical user interfaces [GUI]
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00002—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by monitoring
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J13/00—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network
    • H02J13/00006—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment
    • H02J13/00028—Circuit arrangements for providing remote indication of network conditions, e.g. an instantaneous record of the open or closed condition of each circuitbreaker in the network; Circuit arrangements for providing remote control of switching means in a power distribution network, e.g. switching in and out of current consumers by using a pulse code signal carried by the network characterised by information or instructions transport means between the monitoring, controlling or managing units and monitored, controlled or operated power network element or electrical equipment involving the use of Internet protocols
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
    • H02J3/00—Circuit arrangements for ac mains or ac distribution networks

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Human Computer Interaction (AREA)
  • Stand-By Power Supply Arrangements (AREA)
  • Supply And Distribution Of Alternating Current (AREA)

Abstract

The invention discloses a power distribution detection device for a data center, wherein a receiving end of a first power monitoring system is connected with a high-voltage distribution link detection module, a low-voltage distribution link detection module and a diesel generator system detection module, a transmitting end of the first power monitoring system is connected with a receiving end of a serial port communication manager, a receiving end of a second power monitoring system is connected with an uninterruptible power supply system detection module, a transmitting end of the second power monitoring system is connected with a receiving end of the serial port communication manager, and a transmitting end of the serial port communication manager is connected with a host server. The electric power distribution can be accurately obtained, the electric power detection is more accurate, the automatic detection is realized, the detection efficiency is high, and the time and the labor are saved.

Description

Power distribution detection device for data center
Technical Field
The invention relates to the technical field of machine room building verification, in particular to an electric power distribution detection device for a data center.
Background
At present, the machine room building verification has a plurality of verification tests, including a single machine room building power supply and distribution system test, a single machine room building air conditioning heating and ventilation system test, a single machine room building weak current monitoring system and the like, and in the machine room building verification process, it is very important to determine electric power distribution for electric power detection. The electric power distribution can not be accurately obtained in the prior art, the condition of inaccurate electric power detection exists, and meanwhile detection is performed based on manual work, so that the detection efficiency is low, and time and labor are wasted.
Disclosure of Invention
The present invention aims to solve, at least to some extent, one of the technical problems in the above-described technology. Therefore, the invention aims to provide the power distribution detection device for the data center, which can accurately acquire power distribution, is more accurate in power detection, realizes automatic detection, and is high in detection efficiency, time-saving and labor-saving.
To achieve the above object, an embodiment of the present invention provides a power distribution detection apparatus for a data center, including: the system comprises a high-voltage distribution link detection module, a low-voltage distribution link detection module, a diesel generator system detection module, an uninterruptible power supply system detection module, a host server, a first power monitoring system, a serial port communication manager and a second power monitoring system; wherein,
the receiving end of the first power monitoring system is connected with the high-voltage distribution link detection module, the low-voltage distribution link detection module and the diesel generator system detection module and is used for:
receiving high-voltage distribution link detection information sent by the high-voltage distribution link detection module, comparing the high-voltage distribution link detection information with preset high-voltage distribution link standard information, and judging whether the high-voltage distribution link is abnormal or not;
Receiving low-voltage distribution link detection information sent by the low-voltage distribution link detection module, comparing the low-voltage distribution link detection information with preset low-voltage distribution link standard information, and judging whether the low-voltage distribution link is abnormal or not;
receiving diesel generator system detection information sent by the diesel generator system detection module, comparing the diesel generator system detection information with preset diesel generator system standard information, and judging whether the diesel generator system is abnormal or not;
the sending end of the first power monitoring system is connected with the receiving end of the serial port communication manager and is used for generating first power abnormality information and sending the first power abnormality information to the serial port communication manager when at least one of the high-voltage distribution link, the low-voltage distribution link and the diesel generator system is determined to be abnormal: otherwise, generating first power normal information and sending the first power normal information to the serial port communication manager;
the receiving end of the second power monitoring system is connected with the uninterruptible power supply system detection module and is used for receiving the uninterruptible power supply system detection information sent by the uninterruptible power supply system detection module, comparing the uninterruptible power supply system detection information with preset uninterruptible power supply system standard information and judging whether the uninterruptible power supply system is abnormal or not;
The sending end of the second power monitoring system is connected with the receiving end of the serial port communication manager and is used for generating second power abnormality information and sending the second power abnormality information to the serial port communication manager when the abnormality of the uninterruptible power supply system is determined; otherwise, generating second power normal information and sending the second power normal information to the serial port communication manager;
and the transmitting end of the serial port communication manager is connected with the host server.
According to some embodiments of the present invention, a high voltage distribution link detection module performs a first stand-alone performance detection and a first linkage detection on a high voltage distribution link;
the first stand-alone performance test includes: a. detecting cable performance, binding post performance and contact electrification temperature rise performance under the loading condition of a link from the output end of a 10KV high-voltage power distribution cabinet to the primary side of a transformer; b. detecting the actions of a breaker, the display of an indicator lamp, the operation of an interlocking device and the performance of electrified temperature rise of all high-voltage power distribution cabinets included in a high-voltage power distribution link; c. performing five-prevention test on all high-voltage power distribution cabinets included in the high-voltage power distribution link; d. checking comprehensive protection setting values of all high-voltage power distribution cabinets included in the high-voltage power distribution link;
the first linkage detection includes: a. verifying the correctness of the electric locking and linkage functions between the high-voltage power distribution cabinets; b. verifying the locking and linkage functions of the high-voltage incoming line and the diesel generator system; c. and verifying correctness of locking of each incoming line of the bypass high-voltage section, locking of two incoming lines of T6, locking of a circuit breaker between module distribution and isolating switch and linkage functions.
According to some embodiments of the invention, the low voltage distribution link detection module performs a second stand-alone performance detection and a second linkage detection on the low voltage distribution link;
the second stand-alone performance test includes: a. verifying the insulation performance, the voltage drop performance and the temperature rise performance of the intensive bus under the loaded condition; b. testing insulation resistance, load voltage drop, temperature rise and infrared thermal imaging detection of intensive buses, test buses and bypass buses between a power distribution room and a cooler section and between the power distribution room and a module section; c. verifying the display of a breaker indicator lamp, the operation of an interlocking device, the phase sequence detection, the verification of a comprehensive protection setting value and the live temperature rise performance of a low-voltage power distribution cabinet included in a low-voltage power distribution link;
the second linkage detection includes: a. verifying the correctness of the low-voltage bus-tie automatic switching and automatic resetting performance test; b. verifying the correctness of the locking function of the low-voltage incoming line and the bypass incoming line; c. verifying the correctness of a mechanical interlocking function between low-voltage power distribution cabinets included in the low-voltage power distribution link; d. and verifying the correctness of the electrical interlocking function between the low-voltage power distribution cabinets.
According to some embodiments of the invention, the diesel generator system detection module performs a third stand-alone performance detection and a third linkage detection on the diesel generator system;
The third stand-alone performance test includes: a. the system state inspection of the diesel generator comprises starting and stopping running states, and the detection parameters comprise water temperature, water level, oil temperature, oil quantity, engine oil quantity and cleaning conditions; b. the diesel generator system alarm verification comprises high and low temperature, low oil pressure, less oil, overspeed engine and high and low voltage battery of the cooling liquid; c. the system shutdown verification of the diesel generator comprises low oil pressure, high temperature of cooling liquid, low liquid level of cooling liquid, overspeed of an engine, high and low voltage of a battery and shutdown actions under the EPO starting condition; d. the diesel generator system steady-state operation comprises remote start and on-site start, wherein a single diesel generator is respectively loaded with 25%,50%,75% and 100% of operation tests, and test data are recorded, wherein the test data comprise voltage, frequency, current, harmonic distortion, voltage adjustment degree and oil consumption; e. performing load 0% -100% -0% transient load-adding and load-adding electric energy quality test for testing output voltage, frequency change rate and recovery time; f. full-load temperature rise test of the diesel generator system; g. differential protection test of a diesel generator system; h. testing the air supply and exhaust performance of the diesel generator system; i. the power quality test of the output end of the diesel generator system comprises voltage, frequency, harmonic wave, zero ground voltage and waveform change; j. the diesel generator system comprises an oil supply system function verification test, which comprises an automatic start-stop of an oil supply pump, a full-load oil supplementing capability test and an oil supply flow test;
The third linkage detection includes: a. the PLC control logic verifies and tests; b. an automatic switching function test of the group A/B GCP; c. testing the joint debugging of the neutral point grounding switch; d. the diesel generator is automatically put into a function test; e. and checking differential protection of the bus of the diesel generator and adjusting the system.
According to some embodiments of the invention, the uninterruptible power system detection module performs a fourth stand-alone performance detection and a fourth linkage detection on the uninterruptible power system;
the fourth stand-alone performance test comprises: a. UPS and bypass cabinet state and alarm inspection; b. the UPS steady-state operation test and wave recording comprises a UPS single machine bypass and reverse conversion, a mains supply and battery conversion test, and the change rate and conversion time of the UPS single machine output voltage are tested; c. the power quality test of the input end and the output end under the operating condition of 25% -50% -75% -100% of load comprises voltage, frequency, current, harmonic distortion, power factor, voltage adjustment degree, current balance degree, zero ground voltage and waveform change; d. the full load temperature rise test of the UPS comprises the temperature rise of the input and output dense buses and joints of the UPS; e. 0% -50% -100% transient load-adding and load-reducing electric energy quality test; f. the full load discharge test of the battery comprises the discharge time of the full load battery of a single UPS, the heating test of a battery joint, a cable and a circuit breaker, the battery charge test and the automatic input test of a filter, and the input and output voltage, current, power factor parameters and wave recording before and after the input are recorded; g. testing the UPS emergency shutdown function; h. and (5) dynamically testing overload of a single UPS.
The fourth linkage detection includes: a. the method comprises the steps of carrying out capability test on the parallel operation of the UPS, and respectively obtaining UPS output electric parameters under the conditions of 100%, 50% and 0% of load, wherein the UPS output electric parameters comprise voltage, frequency, current, power factors, harmonic distortion and current sharing; b. testing and recording transient response data of UPS parallel operation output in the switching process, wherein the transient response data comprises voltage, current, frequency, zero ground voltage, current harmonic wave, voltage harmonic wave and power factor; c. the UPS maintenance bypass is manually switched for testing.
According to some embodiments of the invention, further comprising: the conventional transformer detection module, the isolation transformer detection module, the capacitance compensation cabinet detection module, the direct current screen detection module and the grounding grid detection module are respectively connected with a receiving end of the first power monitoring system; wherein,
the conventional transformer detection module is used for verifying output voltage, current, temperature rise (windings, iron cores and electrical connection), vibration and noise performance, and excitation surge current test of the conventional transformer;
the isolation transformer detection module is used for: a. the power quality test of the output end of the isolation transformer comprises voltage, frequency, harmonic wave, zero ground voltage and waveform change; b, verifying the temperature rise, vibration and noise performance of the isolation transformer; c. the method comprises the steps of testing the variable excitation surge current of a single isolation transformer among modules, testing the variable parallel surge current of a plurality of isolation transformers among the single modules, and detecting the electric energy quality of the isolation transformers during variable impact, wherein the electric energy quality comprises voltage, current, frequency, zero ground voltage, current harmonic wave, voltage harmonic wave and power factor, and the zero ground voltage of the isolation transformers is realized during variable load;
The capacitive compensation cabinet detection module is used for detecting the electric energy quality before and after the capacitive compensation cabinet is put into under the inductive load condition, and comprises: voltage, current, frequency, zero ground voltage, current harmonic wave, voltage harmonic wave, waveform change and power factor data, verifying the automatic switching function of the capacitance compensation cabinet, operating for at least 15 minutes, detecting the reactance temperature rise of the capacitance, operating for at least 15 minutes, and detecting the temperature rise of the cable and the connecting point;
the direct current screen detection module is used for testing the charge and discharge of the direct current screen, specifically discharging to cut-off voltage, detecting the input and output voltage and current of the direct current screen, detecting the internal resistance and voltage of a battery of the direct current screen, detecting the direct current insulation resistance, detecting the voltage to ground and verifying the alarm function;
the grounding grid detection module is used for conducting grounding resistance testing on the grounding copper bars in the machine room, testing all equipotential boxes in the machine room, testing equipotential line connection points of the machine room, testing grounding points of the maintenance structure and testing transition resistance of all the cabinets.
According to some embodiments of the invention, the first inspection robot is connected to the first power monitoring system and is configured to: before the first power monitoring system judges whether the high-voltage distribution link, the low-voltage distribution link and the diesel generator system are abnormal, performing construction process inspection on the high-voltage distribution link, the low-voltage distribution link and the diesel generator system;
The construction process inspection of the high-voltage distribution link comprises the following steps: a. carrying out construction process inspection on cable specifications, brand models, marks, numbers, appearance, installation, connection, cable joint fastening and bridge frame installation from the output end of the 10KV high-voltage power distribution cabinet to the primary side of the transformer; b. performing construction process inspection on equipment specifications, brand models, marks, numbers, appearance, installation, grounding, comprehensive protection, lightning arresters, circuit breakers, transformers, busbar in the power distribution cabinet and safety protection and waterproof facilities; c. checking a rat-proof facility of a distribution room where the high-voltage power distribution cabinet is located;
the construction process inspection of the low-voltage distribution link comprises the following steps: a. performing construction process inspection on compact busbar specifications, brand models, marks, numbers, appearance, installation, connection and wire slot and bridge installation firmness of a low-voltage distribution link; b. performing construction process inspection on cable specifications, brand models, marks, numbers, appearance, installation, connection, cable joint fastening and bridge installation from the low-voltage power distribution cabinet to the output terminal power distribution cabinet; c. carrying out construction process inspection on equipment specifications, brand models, marks, numbers, appearance, installation and grounding of the low-voltage power distribution cabinet, lightning arresters, circuit breakers, transformers, busbar conditions in the power distribution cabinet and safety protection and waterproof facilities;
The construction process inspection of the diesel generator system includes: a. checking the specification, brand type, identification, number, appearance, installation fixation, neutral point grounding, cable and control line, assembly and cabinet combining and PLC control cabinet installation conditions of the diesel generator; b. performing construction process inspection on an oil storage tank, a daily oil tank, an emergency oil drain tank, an oil supply pipeline, an oil pump and a valve of an oil supply system; c. and checking a rat-proof facility of a distribution room where the diesel generator system is located.
According to some embodiments of the invention, further comprising: the second inspection robot is connected with the second power monitoring system and is used for: before the second power monitoring system judges whether the uninterruptible power supply system is abnormal, performing construction process inspection on the uninterruptible power supply system, including: a. performing construction process inspection on UPS and storage battery specifications, brand models, marks, numbers, appearance, installation and fixation, grounding, cable connection, battery frames, battery switch box installation conditions and safety protection and waterproof facilities; b. and checking a rat-proof facility in a distribution room where the uninterruptible power supply system is located.
According to some embodiments of the invention, further comprising: the new energy power system detection module is connected with the first power monitoring system and used for sending new energy power system detection information to the first power monitoring system;
The first power monitoring system is further configured to:
receiving new energy power system detection information sent by the new energy power system detection module, comparing the new energy power system detection information with preset new energy power system standard information, and judging whether a new energy power system is abnormal or not;
when the high-voltage distribution link, the low-voltage distribution link, the diesel generator system and the new energy power system are all normal, the power data of the high-voltage distribution link and the low-voltage distribution link are counted, and the proportionality coefficient of the power data between the high-voltage distribution link and the low-voltage distribution link is determined;
acquiring power generation parameters of a diesel generator system, and determining first power generation of the diesel generator system;
acquiring power generation parameters of a new energy power system, and determining second power generation power of the new energy power system;
determining an allocation scheme for a high-voltage distribution link and a low-voltage distribution link according to the first generated power, the second generated power and the proportionality coefficient, wherein the allocation scheme comprises that a new energy power system outputs the second power for the high-voltage distribution link and a diesel generator system outputs the first power for the low-voltage distribution link;
receiving first distribution information of first power output by a low-voltage distribution link to a diesel generator system;
Receiving second distribution information of second power output by the high-voltage distribution link to the new energy power system;
determining power distribution according to the first distribution information and the second distribution information;
determining second distribution information of the high-voltage distribution link to the second power output by the new energy power system, including:
acquiring a plurality of nodes on a high-voltage distribution link;
and analyzing the electricity consumption information of each node and the position information of each node, dividing the plurality of nodes into a plurality of distribution areas according to the electricity consumption information and the position information, distributing the second electric power based on the distribution areas, and obtaining second distribution information.
According to some embodiments of the invention, further comprising: the noise reduction module is connected with the first power monitoring system and is used for:
before a first power monitoring system sends first power abnormality information to a serial port communication manager, analyzing the first power abnormality information, detecting noise information contained in the first power abnormality information, and determining probability P (x) of the noise information in a preset noise clearing white list:
wherein x is noise information; sigma is the standard deviation of the noise information;
when the probability of the noise information in the preset noise elimination white list is larger than the preset probability, inputting the noise information into a pre-trained denoising model for denoising, and outputting first electric power abnormal information F after denoising;
Wherein C is a combined symbol; n is the number of neurons in the denoising model;noise reduction values for noise information output through the j-th neuron; t is t x Output drop after passing through N neurons for noise informationAverage value of noise value; />Noise intensity at the passing j-th neuron for noise information; u (u) x An average value of noise intensity of the noise information passing through the jth neuron; e is a natural constant.
Additional features and advantages of the invention will be set forth in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. The objectives and other advantages of the invention may be realized and attained by the structure particularly pointed out in the written description and drawings.
The technical scheme of the invention is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the invention and are incorporated in and constitute a part of this specification, illustrate the invention and together with the embodiments of the invention, serve to explain the invention. In the drawings:
fig. 1 is a block diagram of a power distribution detection apparatus for a data center according to one embodiment of the present invention.
Detailed Description
The preferred embodiments of the present invention will be described below with reference to the accompanying drawings, it being understood that the preferred embodiments described herein are for illustration and explanation of the present invention only, and are not intended to limit the present invention.
As shown in fig. 1, an embodiment of the present invention provides a power distribution detection apparatus for a data center, including: the system comprises a high-voltage distribution link detection module, a low-voltage distribution link detection module, a diesel generator system detection module, an uninterruptible power supply system detection module, a host server, a first power monitoring system, a serial port communication manager and a second power monitoring system; wherein,
the receiving end of the first power monitoring system is connected with the high-voltage distribution link detection module, the low-voltage distribution link detection module and the diesel generator system detection module and is used for:
receiving high-voltage distribution link detection information sent by the high-voltage distribution link detection module, comparing the high-voltage distribution link detection information with preset high-voltage distribution link standard information, and judging whether the high-voltage distribution link is abnormal or not;
receiving low-voltage distribution link detection information sent by the low-voltage distribution link detection module, comparing the low-voltage distribution link detection information with preset low-voltage distribution link standard information, and judging whether the low-voltage distribution link is abnormal or not;
Receiving diesel generator system detection information sent by the diesel generator system detection module, comparing the diesel generator system detection information with preset diesel generator system standard information, and judging whether the diesel generator system is abnormal or not;
the sending end of the first power monitoring system is connected with the receiving end of the serial port communication manager and is used for generating first power abnormality information and sending the first power abnormality information to the serial port communication manager when at least one of the high-voltage distribution link, the low-voltage distribution link and the diesel generator system is determined to be abnormal: otherwise, generating first power normal information and sending the first power normal information to the serial port communication manager;
the receiving end of the second power monitoring system is connected with the uninterruptible power supply system detection module and is used for receiving the uninterruptible power supply system detection information sent by the uninterruptible power supply system detection module, comparing the uninterruptible power supply system detection information with preset uninterruptible power supply system standard information and judging whether the uninterruptible power supply system is abnormal or not;
the sending end of the second power monitoring system is connected with the receiving end of the serial port communication manager and is used for generating second power abnormality information and sending the second power abnormality information to the serial port communication manager when the abnormality of the uninterruptible power supply system is determined; otherwise, generating second power normal information and sending the second power normal information to the serial port communication manager;
And the transmitting end of the serial port communication manager is connected with the host server.
The technical scheme has the working principle and beneficial effects that: the high-voltage power distribution link, the low-voltage power distribution link and the diesel generator system all belong to strong electricity, the three are monitored based on the first power monitoring system, the uninterruptible power supply system belongs to weak electricity, the monitoring of the uninterruptible power supply system is realized based on the second power monitoring system, the strong electricity and the weak electricity are monitored respectively, and the detection data of the strong electricity and the detection data of the weak electricity are effectively distinguished and efficiently managed. Based on the serial communication manager, data transmission of the first power monitoring system, the second power monitoring system and the host server is realized. The electric power distribution can be accurately obtained, the electric power detection is more accurate, the automatic detection is realized, the detection efficiency is high, and the time and the labor are saved.
According to some embodiments of the present invention, a high voltage distribution link detection module performs a first stand-alone performance detection and a first linkage detection on a high voltage distribution link;
the first stand-alone performance test includes: a. detecting cable performance, binding post performance and contact electrification temperature rise performance under the loading condition of a link from the output end of a 10KV high-voltage power distribution cabinet to the primary side of a transformer; b. detecting the actions of a breaker, the display of an indicator lamp, the operation of an interlocking device and the performance of electrified temperature rise of all high-voltage power distribution cabinets included in a high-voltage power distribution link; c. performing five-prevention test on all high-voltage power distribution cabinets included in the high-voltage power distribution link; d. checking comprehensive protection setting values of all high-voltage power distribution cabinets included in the high-voltage power distribution link;
The first linkage detection includes: a. verifying the correctness of the electric locking and linkage functions between the high-voltage power distribution cabinets; b. verifying the locking and linkage functions of the high-voltage incoming line and the diesel generator system; c. and verifying correctness of locking of each incoming line of the bypass high-voltage section, locking of two incoming lines of T6, locking of a circuit breaker between module distribution and isolating switch and linkage functions.
The technical scheme has the working principle and beneficial effects that: accurate detection of the high-voltage distribution link is achieved based on the first single machine performance detection and the first linkage detection, and electric power distribution information and electric power fault information of the high-voltage distribution link are conveniently obtained.
According to some embodiments of the invention, the low voltage distribution link detection module performs a second stand-alone performance detection and a second linkage detection on the low voltage distribution link;
the second stand-alone performance test includes: a. verifying the insulation performance, the voltage drop performance and the temperature rise performance of the intensive bus under the loaded condition; b. testing insulation resistance, load voltage drop, temperature rise and infrared thermal imaging detection of intensive buses, test buses and bypass buses between a power distribution room and a cooler section and between the power distribution room and a module section; c. verifying the display of a breaker indicator lamp, the operation of an interlocking device, the phase sequence detection, the verification of a comprehensive protection setting value and the live temperature rise performance of a low-voltage power distribution cabinet included in a low-voltage power distribution link;
The second linkage detection includes: a. verifying the correctness of the low-voltage bus-tie automatic switching and automatic resetting performance test; b. verifying the correctness of the locking function of the low-voltage incoming line and the bypass incoming line; c. verifying the correctness of a mechanical interlocking function between low-voltage power distribution cabinets included in the low-voltage power distribution link; d. and verifying the correctness of the electrical interlocking function between the low-voltage power distribution cabinets.
The technical scheme has the working principle and beneficial effects that: accurate detection of the low-voltage distribution link is achieved based on the second single machine performance detection and the second linkage detection, and electric power distribution information and electric power fault information of the low-voltage distribution link are conveniently obtained.
According to some embodiments of the invention, the diesel generator system detection module performs a third stand-alone performance detection and a third linkage detection on the diesel generator system;
the third stand-alone performance test includes: a. the system state inspection of the diesel generator comprises starting and stopping running states, and the detection parameters comprise water temperature, water level, oil temperature, oil quantity, engine oil quantity and cleaning conditions; b. the diesel generator system alarm verification comprises high and low temperature, low oil pressure, less oil, overspeed engine and high and low voltage battery of the cooling liquid; c. the system shutdown verification of the diesel generator comprises low oil pressure, high temperature of cooling liquid, low liquid level of cooling liquid, overspeed of an engine, high and low voltage of a battery and shutdown actions under the EPO starting condition; d. the diesel generator system steady-state operation comprises remote start and on-site start, wherein a single diesel generator is respectively loaded with 25%,50%,75% and 100% of operation tests, and test data are recorded, wherein the test data comprise voltage, frequency, current, harmonic distortion, voltage adjustment degree and oil consumption; e. performing load 0% -100% -0% transient load-adding and load-adding electric energy quality test for testing output voltage, frequency change rate and recovery time; f. full-load temperature rise test of the diesel generator system; g. differential protection test of a diesel generator system; h. testing the air supply and exhaust performance of the diesel generator system; i. the power quality test of the output end of the diesel generator system comprises voltage, frequency, harmonic wave, zero ground voltage and waveform change; j. the diesel generator system comprises an oil supply system function verification test, which comprises an automatic start-stop of an oil supply pump, a full-load oil supplementing capability test and an oil supply flow test;
The third linkage detection includes: a. the PLC control logic verifies and tests; b. an automatic switching function test of the group A/B GCP; c. testing the joint debugging of the neutral point grounding switch; d. the diesel generator is automatically put into a function test; e. and checking differential protection of the bus of the diesel generator and adjusting the system.
The technical scheme has the working principle and beneficial effects that: accurate detection of the diesel generator system is achieved based on the third single machine performance detection and the third linkage detection, and power distribution information and power failure information of the diesel generator system are conveniently obtained.
According to some embodiments of the invention, the uninterruptible power system detection module performs a fourth stand-alone performance detection and a fourth linkage detection on the uninterruptible power system;
the fourth stand-alone performance test comprises: a. UPS and bypass cabinet state and alarm inspection; b. the UPS steady-state operation test and wave recording comprises a UPS single machine bypass and reverse conversion, a mains supply and battery conversion test, and the change rate and conversion time of the UPS single machine output voltage are tested; c. the power quality test of the input end and the output end under the operating condition of 25% -50% -75% -100% of load comprises voltage, frequency, current, harmonic distortion, power factor, voltage adjustment degree, current balance degree, zero ground voltage and waveform change; d. the full load temperature rise test of the UPS comprises the temperature rise of the input and output dense buses and joints of the UPS; e. 0% -50% -100% transient load-adding and load-reducing electric energy quality test; f. the full load discharge test of the battery comprises the discharge time of the full load battery of a single UPS, the heating test of a battery joint, a cable and a circuit breaker, the battery charge test and the automatic input test of a filter, and the input and output voltage, current, power factor parameters and wave recording before and after the input are recorded; g. testing the UPS emergency shutdown function; h. and (5) dynamically testing overload of a single UPS.
The fourth linkage detection includes: a. the method comprises the steps of carrying out capability test on the parallel operation of the UPS, and respectively obtaining UPS output electric parameters under the conditions of 100%, 50% and 0% of load, wherein the UPS output electric parameters comprise voltage, frequency, current, power factors, harmonic distortion and current sharing; b. testing and recording transient response data of UPS parallel operation output in the switching process, wherein the transient response data comprises voltage, current, frequency, zero ground voltage, current harmonic wave, voltage harmonic wave and power factor; c. the UPS maintenance bypass is manually switched for testing.
The technical scheme has the working principle and beneficial effects that: accurate detection of the uninterruptible power supply system is realized based on the fourth single machine performance detection and the fourth linkage detection, and the power distribution information and the power failure information of the uninterruptible power supply system are conveniently obtained.
According to some embodiments of the invention, further comprising: the conventional transformer detection module, the isolation transformer detection module, the capacitance compensation cabinet detection module, the direct current screen detection module and the grounding grid detection module are respectively connected with a receiving end of the first power monitoring system; wherein,
the conventional transformer detection module is used for verifying output voltage, current, temperature rise (windings, iron cores and electrical connection), vibration and noise performance, and excitation surge current test of the conventional transformer;
The isolation transformer detection module is used for: a. the power quality test of the output end of the isolation transformer comprises voltage, frequency, harmonic wave, zero ground voltage and waveform change; b, verifying the temperature rise, vibration and noise performance of the isolation transformer; c. the method comprises the steps of testing the variable excitation surge current of a single isolation transformer among modules, testing the variable parallel surge current of a plurality of isolation transformers among the single modules, and detecting the electric energy quality of the isolation transformers during variable impact, wherein the electric energy quality comprises voltage, current, frequency, zero ground voltage, current harmonic wave, voltage harmonic wave and power factor, and the zero ground voltage of the isolation transformers is realized during variable load;
the capacitive compensation cabinet detection module is used for detecting the electric energy quality before and after the capacitive compensation cabinet is put into under the inductive load condition, and comprises: voltage, current, frequency, zero ground voltage, current harmonic wave, voltage harmonic wave, waveform change and power factor data, verifying the automatic switching function of the capacitance compensation cabinet, operating for at least 15 minutes, detecting the reactance temperature rise of the capacitance, operating for at least 15 minutes, and detecting the temperature rise of the cable and the connecting point;
the direct current screen detection module is used for testing the charge and discharge of the direct current screen, specifically discharging to cut-off voltage, detecting the input and output voltage and current of the direct current screen, detecting the internal resistance and voltage of a battery of the direct current screen, detecting the direct current insulation resistance, detecting the voltage to ground and verifying the alarm function;
The grounding grid detection module is used for conducting grounding resistance testing on the grounding copper bars in the machine room, testing all equipotential boxes in the machine room, testing equipotential line connection points of the machine room, testing grounding points of the maintenance structure and testing transition resistance of all the cabinets.
The technical scheme has the working principle and beneficial effects that: the method is convenient for accurately acquiring the power distribution information of the conventional transformer, the isolation transformer, the capacitance compensation cabinet, the direct current screen, the grounding grid and the like, and is convenient for acquiring more comprehensive power distribution information and fault information of each component.
According to some embodiments of the invention, the first inspection robot is connected to the first power monitoring system and is configured to: before the first power monitoring system judges whether the high-voltage distribution link, the low-voltage distribution link and the diesel generator system are abnormal, performing construction process inspection on the high-voltage distribution link, the low-voltage distribution link and the diesel generator system;
the construction process inspection of the high-voltage distribution link comprises the following steps: a. carrying out construction process inspection on cable specifications, brand models, marks, numbers, appearance, installation, connection, cable joint fastening and bridge frame installation from the output end of the 10KV high-voltage power distribution cabinet to the primary side of the transformer; b. performing construction process inspection on equipment specifications, brand models, marks, numbers, appearance, installation, grounding, comprehensive protection, lightning arresters, circuit breakers, transformers, busbar in the power distribution cabinet and safety protection and waterproof facilities; c. checking a rat-proof facility of a distribution room where the high-voltage power distribution cabinet is located;
The construction process inspection of the low-voltage distribution link comprises the following steps: a. performing construction process inspection on compact busbar specifications, brand models, marks, numbers, appearance, installation, connection and wire slot and bridge installation firmness of a low-voltage distribution link; b. performing construction process inspection on cable specifications, brand models, marks, numbers, appearance, installation, connection, cable joint fastening and bridge installation from the low-voltage power distribution cabinet to the output terminal power distribution cabinet; c. carrying out construction process inspection on equipment specifications, brand models, marks, numbers, appearance, installation and grounding of the low-voltage power distribution cabinet, lightning arresters, circuit breakers, transformers, busbar conditions in the power distribution cabinet and safety protection and waterproof facilities;
the construction process inspection of the diesel generator system includes: a. checking the specification, brand type, identification, number, appearance, installation fixation, neutral point grounding, cable and control line, assembly and cabinet combining and PLC control cabinet installation conditions of the diesel generator; b. performing construction process inspection on an oil storage tank, a daily oil tank, an emergency oil drain tank, an oil supply pipeline, an oil pump and a valve of an oil supply system; c. and checking a rat-proof facility of a distribution room where the diesel generator system is located.
The technical scheme has the working principle and beneficial effects that: the construction process inspection is performed on the high-voltage distribution link, the low-voltage distribution link and the diesel generator system based on the first inspection robot, the specific installation conditions of the high-voltage distribution link, the low-voltage distribution link and the diesel generator system are inspected, relevant line position information and the like are obtained, physical constitution and function detection of the system are combined conveniently, and more comprehensive and accurate electric power detection is achieved.
According to some embodiments of the invention, further comprising: the second inspection robot is connected with the second power monitoring system and is used for: before the second power monitoring system judges whether the uninterruptible power supply system is abnormal, performing construction process inspection on the uninterruptible power supply system, including: a. performing construction process inspection on UPS and storage battery specifications, brand models, marks, numbers, appearance, installation and fixation, grounding, cable connection, battery frames, battery switch box installation conditions and safety protection and waterproof facilities; b. and checking a rat-proof facility in a distribution room where the uninterruptible power supply system is located.
The technical scheme has the working principle and beneficial effects that: the construction process inspection is carried out on the uninterruptible power supply system based on the second inspection robot, the specific installation condition of the uninterruptible power supply system is inspected, relevant line position information and the like are obtained, the physical constitution and the function detection of the system are combined conveniently, and more comprehensive and accurate electric power detection is realized.
The dummy load in the module is provided by the second party in the invention, and the dummy load in the process of carrying out the operation test on the diesel generator system is provided by the first party.
High voltage distribution link: 165 high-voltage cabinets are arranged in each distribution room and diesel generator room; low voltage power distribution link: 281 low-voltage power distribution cabinets in total are positioned in each power distribution room; diesel generator system: 10 diesel generators are arranged in the diesel generator room; uninterruptible power supply system: 42 UPS hosts and 14 bypass cabinets are respectively arranged in 14 distribution rooms.
According to some embodiments of the invention, further comprising: the new energy power system detection module is connected with the first power monitoring system and used for sending new energy power system detection information to the first power monitoring system;
the first power monitoring system is further configured to:
receiving new energy power system detection information sent by the new energy power system detection module, comparing the new energy power system detection information with preset new energy power system standard information, and judging whether a new energy power system is abnormal or not;
when the high-voltage distribution link, the low-voltage distribution link, the diesel generator system and the new energy power system are all normal, the power data of the high-voltage distribution link and the low-voltage distribution link are counted, and the proportionality coefficient of the power data between the high-voltage distribution link and the low-voltage distribution link is determined;
Acquiring power generation parameters of a diesel generator system, and determining first power generation of the diesel generator system;
acquiring power generation parameters of a new energy power system, and determining second power generation power of the new energy power system;
determining an allocation scheme for a high-voltage distribution link and a low-voltage distribution link according to the first generated power, the second generated power and the proportionality coefficient, wherein the allocation scheme comprises that a new energy power system outputs the second power for the high-voltage distribution link and a diesel generator system outputs the first power for the low-voltage distribution link;
receiving first distribution information of first power output by a low-voltage distribution link to a diesel generator system;
receiving second distribution information of second power output by the high-voltage distribution link to the new energy power system;
determining power distribution according to the first distribution information and the second distribution information;
determining second distribution information of the high-voltage distribution link to the second power output by the new energy power system, including:
acquiring a plurality of nodes on a high-voltage distribution link;
and analyzing the electricity consumption information of each node and the position information of each node, dividing the plurality of nodes into a plurality of distribution areas according to the electricity consumption information and the position information, distributing the second electric power based on the distribution areas, and obtaining second distribution information.
The technical scheme has the working principle and beneficial effects that: the new energy power system is a power generation system based on clean energy such as wind power or solar energy. When the high-voltage distribution link, the low-voltage distribution link, the diesel generator system and the new energy power system are all normal, the first power monitoring system is used for counting power data of the high-voltage distribution link and the low-voltage distribution link, and determining a proportionality coefficient of the power data between the high-voltage distribution link and the low-voltage distribution link; acquiring power generation parameters of a diesel generator system, and determining first power generation of the diesel generator system; acquiring power generation parameters of a new energy power system, and determining second power generation power of the new energy power system; determining an allocation scheme for a high-voltage distribution link and a low-voltage distribution link according to the first generated power, the second generated power and the proportionality coefficient, wherein the allocation scheme comprises that a new energy power system outputs the second power for the high-voltage distribution link and a diesel generator system outputs the first power for the low-voltage distribution link; receiving first distribution information of first power output by a low-voltage distribution link to a diesel generator system; receiving second distribution information of second power output by the high-voltage distribution link to the new energy power system; determining power distribution according to the first distribution information and the second distribution information; the electric power distribution information in the machine room building can be accurately and comprehensively obtained. Determining second distribution information of the high-voltage distribution link to the second power output by the new energy power system, including: acquiring a plurality of nodes on a high-voltage distribution link; and analyzing the electricity consumption information of each node and the position information of each node, dividing the plurality of nodes into a plurality of distribution areas according to the electricity consumption information and the position information, distributing the second electric power based on the distribution areas, and obtaining second distribution information. Based on dividing the distribution area, the distribution efficiency of the nodes on the high-voltage distribution link is improved, the distribution accuracy is realized through hierarchical division, and the accuracy of the acquired second distribution information is further ensured.
According to some embodiments of the invention, further comprising: the noise reduction module is connected with the first power monitoring system and is used for:
before a first power monitoring system sends first power abnormality information to a serial port communication manager, analyzing the first power abnormality information, detecting noise information contained in the first power abnormality information, and determining probability P (x) of the noise information in a preset noise clearing white list:
wherein x is noise information; sigma is the standard deviation of the noise information;
when the probability of the noise information in the preset noise elimination white list is larger than the preset probability, inputting the noise information into a pre-trained denoising model for denoising, and outputting first electric power abnormal information F after denoising;
wherein C is a combined symbol; n is the number of neurons in the denoising model;noise reduction values for noise information output through the j-th neuron; t is t x The average value of noise reduction values output after the noise information passes through N neurons; />Noise intensity at the passing j-th neuron for noise information; u (u) x An average value of noise intensity of the noise information passing through the jth neuron; e is a natural constant.
The technical scheme has the working principle and beneficial effects that: before a first power monitoring system sends first power abnormality information to a serial port communication manager, the first power abnormality information is analyzed, noise information contained in the first power abnormality information is detected, the probability of the noise information in a preset noise clearing white list is determined, when the probability of the noise information in the preset noise clearing white list is determined to be larger than the preset probability, the noise information is input into a pre-trained denoising model to be denoised, the denoised first power abnormality information is output, and the first power abnormality information based on the denoised first power abnormality information is sent to the serial port communication manager, so that accuracy of identifying the first power abnormality information is improved, and recognition errors caused by overlarge noise are avoided. And determining the probability of the noise information in a preset noise removal white list, so that the probability is convenient to accurately judge and preset, and further, the first power abnormality information after noise removal is accurately calculated.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present invention without departing from the spirit or scope of the invention. Thus, it is intended that the present invention also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.

Claims (9)

1. A power distribution detection apparatus for a data center, comprising: the system comprises a high-voltage distribution link detection module, a low-voltage distribution link detection module, a diesel generator system detection module, an uninterruptible power supply system detection module, a host server, a first power monitoring system, a serial port communication manager and a second power monitoring system; wherein,
the receiving end of the first power monitoring system is connected with the high-voltage distribution link detection module, the low-voltage distribution link detection module and the diesel generator system detection module and is used for:
receiving high-voltage distribution link detection information sent by the high-voltage distribution link detection module, comparing the high-voltage distribution link detection information with preset high-voltage distribution link standard information, and judging whether the high-voltage distribution link is abnormal or not;
receiving low-voltage distribution link detection information sent by the low-voltage distribution link detection module, comparing the low-voltage distribution link detection information with preset low-voltage distribution link standard information, and judging whether the low-voltage distribution link is abnormal or not;
Receiving diesel generator system detection information sent by the diesel generator system detection module, comparing the diesel generator system detection information with preset diesel generator system standard information, and judging whether the diesel generator system is abnormal or not;
the sending end of the first power monitoring system is connected with the receiving end of the serial port communication manager and is used for generating first power abnormality information and sending the first power abnormality information to the serial port communication manager when at least one of the high-voltage distribution link, the low-voltage distribution link and the diesel generator system is determined to be abnormal: otherwise, generating first power normal information and sending the first power normal information to the serial port communication manager;
the receiving end of the second power monitoring system is connected with the uninterruptible power supply system detection module and is used for receiving the uninterruptible power supply system detection information sent by the uninterruptible power supply system detection module, comparing the uninterruptible power supply system detection information with preset uninterruptible power supply system standard information and judging whether the uninterruptible power supply system is abnormal or not;
the sending end of the second power monitoring system is connected with the receiving end of the serial port communication manager and is used for generating second power abnormality information and sending the second power abnormality information to the serial port communication manager when the abnormality of the uninterruptible power supply system is determined; otherwise, generating second power normal information and sending the second power normal information to the serial port communication manager;
The transmitting end of the serial port communication manager is connected with the host server;
further comprises: the new energy power system detection module is connected with the first power monitoring system and used for sending new energy power system detection information to the first power monitoring system;
the first power monitoring system is further configured to:
receiving new energy power system detection information sent by the new energy power system detection module, comparing the new energy power system detection information with preset new energy power system standard information, and judging whether a new energy power system is abnormal or not;
when the high-voltage distribution link, the low-voltage distribution link, the diesel generator system and the new energy power system are all normal, the power data of the high-voltage distribution link and the low-voltage distribution link are counted, and the proportionality coefficient of the power data between the high-voltage distribution link and the low-voltage distribution link is determined;
acquiring power generation parameters of a diesel generator system, and determining first power generation of the diesel generator system;
acquiring power generation parameters of a new energy power system, and determining second power generation power of the new energy power system;
determining an allocation scheme for a high-voltage distribution link and a low-voltage distribution link according to the first generated power, the second generated power and the proportionality coefficient, wherein the allocation scheme comprises that a new energy power system outputs the second power for the high-voltage distribution link and a diesel generator system outputs the first power for the low-voltage distribution link;
Receiving first distribution information of first power output by a low-voltage distribution link to a diesel generator system;
receiving second distribution information of second power output by the high-voltage distribution link to the new energy power system;
determining power distribution according to the first distribution information and the second distribution information;
determining second distribution information of the high-voltage distribution link to the second power output by the new energy power system, including:
acquiring a plurality of nodes on a high-voltage distribution link;
and analyzing the electricity consumption information of each node and the position information of each node, dividing the plurality of nodes into a plurality of distribution areas according to the electricity consumption information and the position information, and distributing the second power based on the distribution areas to obtain second distribution information.
2. The power distribution detection apparatus for a data center of claim 1, wherein the high voltage distribution link detection module performs a first stand-alone performance detection and a first linkage detection for the high voltage distribution link;
the first stand-alone performance test includes: a. detecting cable performance, binding post performance and contact electrification temperature rise performance under the loading condition of a link from the output end of a 10KV high-voltage power distribution cabinet to the primary side of a transformer; b. detecting the actions of a breaker, the display of an indicator lamp, the operation of an interlocking device and the performance of electrified temperature rise of all high-voltage power distribution cabinets included in a high-voltage power distribution link; c. performing five-prevention test on all high-voltage power distribution cabinets included in the high-voltage power distribution link; d. checking comprehensive protection setting values of all high-voltage power distribution cabinets included in the high-voltage power distribution link;
The first linkage detection includes: a. verifying the correctness of the electric locking and linkage functions between the high-voltage power distribution cabinets; b. verifying the locking and linkage functions of the high-voltage incoming line and the diesel generator system; c. and verifying correctness of locking of each incoming line of the bypass high-voltage section, locking of two incoming lines of T6, locking of a circuit breaker between module distribution and isolating switch and linkage functions.
3. The power distribution detection apparatus for a data center of claim 1, wherein the low voltage distribution link detection module performs a second stand-alone performance detection and a second linkage detection for the low voltage distribution link;
the second stand-alone performance test includes: a. verifying the insulation performance, the voltage drop performance and the temperature rise performance of the intensive bus under the loaded condition; b. testing insulation resistance, load voltage drop, temperature rise and infrared thermal imaging detection of intensive buses, test buses and bypass buses between a power distribution room and a cooler section and between the power distribution room and a module section; c. verifying the display of a breaker indicator lamp, the operation of an interlocking device, the phase sequence detection, the verification of a comprehensive protection setting value and the live temperature rise performance of a low-voltage power distribution cabinet included in a low-voltage power distribution link;
the second linkage detection includes: a. verifying the correctness of the low-voltage bus-tie automatic switching and automatic resetting performance test; b. verifying the correctness of the locking function of the low-voltage incoming line and the bypass incoming line; c. verifying the correctness of a mechanical interlocking function between low-voltage power distribution cabinets included in the low-voltage power distribution link; d. and verifying the correctness of the electrical interlocking function between the low-voltage power distribution cabinets.
4. The power distribution detection apparatus for a data center as claimed in claim 1, wherein the diesel generator system detection module performs a third stand-alone performance detection and a third linkage detection for the diesel generator system;
the third stand-alone performance test includes: a. the system state inspection of the diesel generator comprises starting and stopping running states, and the detection parameters comprise water temperature, water level, oil temperature, oil quantity, engine oil quantity and cleaning conditions; b. the diesel generator system alarm verification comprises high and low temperature, low oil pressure, less oil, overspeed engine and high and low voltage battery of the cooling liquid; c. the system shutdown verification of the diesel generator comprises low oil pressure, high temperature of cooling liquid, low liquid level of cooling liquid, overspeed of an engine, high and low voltage of a battery and shutdown actions under the EPO starting condition; d. the diesel generator system steady-state operation comprises remote start and on-site start, wherein a single diesel generator is respectively loaded with 25%,50%,75% and 100% of operation tests, and test data are recorded, wherein the test data comprise voltage, frequency, current, harmonic distortion, voltage adjustment degree and oil consumption; e. performing load 0% -100% -0% transient load-adding and load-adding electric energy quality test for testing output voltage, frequency change rate and recovery time; f. full-load temperature rise test of the diesel generator system; g. differential protection test of a diesel generator system; h. testing the air supply and exhaust performance of the diesel generator system; i. the power quality test of the output end of the diesel generator system comprises voltage, frequency, harmonic wave, zero ground voltage and waveform change; j. the diesel generator system comprises an oil supply system function verification test, which comprises an automatic start-stop of an oil supply pump, a full-load oil supplementing capability test and an oil supply flow test;
The third linkage detection includes: a. the PLC control logic verifies and tests; b. an automatic switching function test of the group A/B GCP; c. testing the joint debugging of the neutral point grounding switch; d. the diesel generator is automatically put into a function test; e. and checking differential protection of the bus of the diesel generator and adjusting the system.
5. The power distribution detection apparatus for a data center of claim 1, wherein the ups system detection module performs a fourth stand-alone performance detection and a fourth linkage detection for the ups system;
the fourth stand-alone performance test comprises: a. UPS and bypass cabinet state and alarm inspection; b. the UPS steady-state operation test and wave recording comprises a UPS single machine bypass and reverse conversion, a mains supply and battery conversion test, and the change rate and conversion time of the UPS single machine output voltage are tested; c. the power quality test of the input end and the output end under the operating condition of 25% -50% -75% -100% of load comprises voltage, frequency, current, harmonic distortion, power factor, voltage adjustment degree, current balance degree, zero ground voltage and waveform change; d. the full load temperature rise test of the UPS comprises the temperature rise of the input and output dense buses and joints of the UPS; e. 0% -50% -100% transient load-adding and load-reducing electric energy quality test; f. the full load discharge test of the battery comprises the discharge time of the full load battery of a single UPS, the heating test of a battery joint, a cable and a circuit breaker, the battery charge test and the automatic input test of a filter, and the input and output voltage, current, power factor parameters and wave recording before and after the input are recorded; g. testing the UPS emergency shutdown function; h. single UPS overload dynamic test;
The fourth linkage detection includes: a. the method comprises the steps of carrying out capability test on the parallel operation of the UPS, and respectively obtaining UPS output electric parameters under the conditions of 100%, 50% and 0% of load, wherein the UPS output electric parameters comprise voltage, frequency, current, power factors, harmonic distortion and current sharing; b. testing and recording transient response data of UPS parallel operation output in the switching process, wherein the transient response data comprises voltage, current, frequency, zero ground voltage, current harmonic wave, voltage harmonic wave and power factor; c. the UPS maintenance bypass is manually switched for testing.
6. The power distribution detection apparatus for a data center as claimed in claim 1, further comprising: the conventional transformer detection module, the isolation transformer detection module, the capacitance compensation cabinet detection module, the direct current screen detection module and the grounding grid detection module are respectively connected with a receiving end of the first power monitoring system; wherein,
the conventional transformer detection module is used for verifying the output voltage, current, temperature rise, vibration and noise performance of the conventional transformer and testing exciting inrush current;
the isolation transformer detection module is used for: a. the power quality test of the output end of the isolation transformer comprises voltage, frequency, harmonic wave, zero ground voltage and waveform change; b, verifying the temperature rise, vibration and noise performance of the isolation transformer; c. the method comprises the steps of testing the variable excitation surge current of a single isolation transformer among modules, testing the variable parallel surge current of a plurality of isolation transformers among the single modules, and detecting the electric energy quality of the isolation transformers during variable impact, wherein the electric energy quality comprises voltage, current, frequency, zero ground voltage, current harmonic wave, voltage harmonic wave and power factor, and the zero ground voltage of the isolation transformers is realized during variable load;
The capacitive compensation cabinet detection module is used for detecting the electric energy quality before and after the capacitive compensation cabinet is put into under the inductive load condition, and comprises: voltage, current, frequency, zero ground voltage, current harmonic wave, voltage harmonic wave, waveform change and power factor data, verifying the automatic switching function of the capacitance compensation cabinet, operating for at least 15 minutes, detecting the reactance temperature rise of the capacitance, operating for at least 15 minutes, and detecting the temperature rise of the cable and the connecting point;
the direct current screen detection module is used for testing the charge and discharge of the direct current screen, specifically discharging to cut-off voltage, detecting the input and output voltage and current of the direct current screen, detecting the internal resistance and voltage of a battery of the direct current screen, detecting the direct current insulation resistance, detecting the voltage to ground and verifying the alarm function;
the grounding grid detection module is used for carrying out grounding resistance test on the copper bars in the machine room, testing all equipotential boxes in the machine room, testing connecting points of equipotential lines in the machine room, testing the grounding points of the maintenance structure and testing transition resistance of all cabinets.
7. The power distribution detection apparatus for a data center of claim 1, further comprising a first inspection robot coupled to the first power monitoring system for: before the first power monitoring system judges whether the high-voltage distribution link, the low-voltage distribution link and the diesel generator system are abnormal, performing construction process inspection on the high-voltage distribution link, the low-voltage distribution link and the diesel generator system;
The construction process inspection of the high-voltage distribution link comprises the following steps: a. carrying out construction process inspection on cable specifications, brand models, marks, numbers, appearance, installation, connection, cable joint fastening and bridge frame installation from the output end of the 10KV high-voltage power distribution cabinet to the primary side of the transformer; b. performing construction process inspection on equipment specifications, brand models, marks, numbers, appearance, installation, grounding, comprehensive protection, lightning arresters, circuit breakers, transformers, busbar in the power distribution cabinet and safety protection and waterproof facilities; c. checking a rat-proof facility of a distribution room where the high-voltage power distribution cabinet is located;
the construction process inspection of the low-voltage distribution link comprises the following steps: a. performing construction process inspection on compact busbar specifications, brand models, marks, numbers, appearance, installation, connection and wire slot and bridge installation firmness of a low-voltage distribution link; b. performing construction process inspection on cable specifications, brand models, marks, numbers, appearance, installation, connection, cable joint fastening and bridge installation from the low-voltage power distribution cabinet to the output terminal power distribution cabinet; c. carrying out construction process inspection on equipment specifications, brand models, marks, numbers, appearance, installation and grounding of the low-voltage power distribution cabinet, lightning arresters, circuit breakers, transformers, busbar conditions in the power distribution cabinet and safety protection and waterproof facilities;
The construction process inspection of the diesel generator system includes: a. checking the specification, brand type, identification, number, appearance, installation fixation, neutral point grounding, cable and control line, assembly and cabinet combining and PLC control cabinet installation conditions of the diesel generator; b. performing construction process inspection on an oil storage tank, a daily oil tank, an emergency oil drain tank, an oil supply pipeline, an oil pump and a valve of an oil supply system; c. and checking a rat-proof facility of a distribution room where the diesel generator system is located.
8. The power distribution detection apparatus for a data center as claimed in claim 1, further comprising: the second inspection robot is connected with the second power monitoring system and is used for: before the second power monitoring system judges whether the uninterruptible power supply system is abnormal, performing construction process inspection on the uninterruptible power supply system, including: a. performing construction process inspection on UPS and storage battery specifications, brand models, marks, numbers, appearance, installation and fixation, grounding, cable connection, battery frames, battery switch box installation conditions and safety protection and waterproof facilities; b. and checking a rat-proof facility in a distribution room where the uninterruptible power supply system is located.
9. The power distribution detection apparatus for a data center as claimed in claim 1, further comprising: the noise reduction module is connected with the first power monitoring system and is used for:
Before a first power monitoring system sends first power abnormality information to a serial port communication manager, analyzing the first power abnormality information, detecting noise information contained in the first power abnormality information, and determining the probability of the noise information in a preset noise clearing white list：
；
Wherein,is noise information; />Is the standard deviation of the noise information;
when the probability of the noise information in the preset noise elimination white list is larger than the preset probability, inputting the noise information into a pre-trained denoising model to perform denoising processing, and outputting denoised first power abnormality information；
；
Wherein,is a combined symbol; />For the number of neurons in the denoising model;>is the noise information passing +>Noise reduction value of individual neuron outputs; ->For noise information pass->Average value of noise reduction value output after the neurons are separated; />Is the noise information passing +>Noise intensity of individual neurons; ->Is the noise information passing +>Mean value of noise intensity of individual neurons;>is a natural constant.
CN202110401003.6A 2021-04-14 2021-04-14 Power distribution detection device for data center Active CN113189420B (en)

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