CN114114060A - UPS test method, device, system, storage medium and program product - Google Patents

UPS test method, device, system, storage medium and program product Download PDF

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Publication number
CN114114060A
CN114114060A CN202111427975.9A CN202111427975A CN114114060A CN 114114060 A CN114114060 A CN 114114060A CN 202111427975 A CN202111427975 A CN 202111427975A CN 114114060 A CN114114060 A CN 114114060A
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China
Prior art keywords
load
ups
tested
adjustable
power
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CN202111427975.9A
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Chinese (zh)
Inventor
顾春晖
张子翀
黄柏
方健
卢丽琴
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Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Guangzhou Power Supply Bureau of Guangdong Power Grid Co Ltd
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Priority to CN202111427975.9A priority Critical patent/CN114114060A/en
Publication of CN114114060A publication Critical patent/CN114114060A/en
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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
    • G01R31/40—Testing power supplies
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01D—MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVERED IN A SINGLE OTHER SUBCLASS; TARIFF METERING APPARATUS; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR
    • G01D21/00—Measuring or testing not otherwise provided for
    • G01D21/02—Measuring two or more variables by means not covered by a single other subclass
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/28—Provision in measuring instruments for reference values, e.g. standard voltage, standard waveform
    • 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
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/385—Arrangements for measuring battery or accumulator variables
    • 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
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/389—Measuring internal impedance, internal conductance or related variables

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  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

The present application relates to a UPS testing method, apparatus, system, storage medium and program product. The method is applied to a UPS test system, the UPS test system comprises an adjustable load connected with a UPS to be tested, the adjustable load comprises a nonlinear load device, and the method comprises the following steps: sending a first adjusting instruction to the adjustable load according to a preset power load mapping relation, wherein the first adjusting instruction is used for indicating the adjustable load to change a load value of the nonlinear load device; the power load mapping relation comprises load values which can be mounted by the UPS to be tested under different powers; and acquiring a first output of the UPS to be tested based on the changed load value, and determining an electrical index of the UPS to be tested according to the first output. By adopting the method, various tests can be carried out on the UPS, thereby meeting the practical application requirements of the UPS.

Description

UPS test method, device, system, storage medium and program product
Technical Field
The present application relates to the field of power supply testing technologies, and in particular, to a UPS testing method, apparatus, system, storage medium, and program product.
Background
UPS (Uninterruptible Power Supply) is an emergency Power station with complete functions, has the functions of self-starting, automatic loading, automatic fault alarm and automatic protection, is very suitable for being used as an emergency Power Supply or a standby Power Supply, and is widely applied to various departments such as data centers, communication and municipal engineering. With more and more UPSs being put into use, in order to ensure the quality stability of the UPSs, the UPSs need to be subjected to factory tests, daily maintenance tests and the like.
Currently, there are test schemes for determining the performance of a UPS under test by regulating the voltage input to the UPS under test and adjusting the load.
However, the existing electrical performance test items are single and cannot meet the actual application requirements of the UPS.
Disclosure of Invention
In view of the above, it is desirable to provide a UPS testing method, apparatus, system, storage medium, and program product capable of performing multiple tests on a UPS to meet the actual application requirements of the UPS.
In a first aspect, an embodiment of the present disclosure provides a UPS testing method. The method is applied to a UPS test system, the UPS test system comprises an adjustable load connected with a UPS to be tested, the adjustable load comprises a nonlinear load device, and the method comprises the following steps:
sending a first adjusting instruction to the adjustable load according to a preset power load mapping relation, wherein the first adjusting instruction is used for indicating the adjustable load to change the load value of the nonlinear load device; the power load mapping relation comprises load values of the UPS to be tested which can be mounted under different powers;
and acquiring a first output of the UPS to be tested based on the changed load value, and determining an electrical index of the UPS to be tested according to the first output.
In one embodiment, the sending the first adjustment instruction to the adjustable load according to the preset power load mapping relationship includes:
according to the power load mapping relation, the rated power of the UPS to be tested and the rated power adjusting steps, determining a corresponding target load value under each adjusting step;
and sending a first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step.
In one embodiment, the adjustable load further comprises a linear load device; the determining a target load value corresponding to each adjustment step according to the power load mapping relationship, the rated power of the UPS to be tested and the rated power adjustment step includes:
according to the power load mapping relation, the rated power of the UPS to be tested and the rated power adjusting steps, determining the load value of the linear load device and/or the load value of the nonlinear load device under each adjusting step;
correspondingly, sending a first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step includes:
and sending a first adjusting instruction to the adjustable load according to the load value of the linear load device and/or the load value of the nonlinear load device under each adjusting step.
In one embodiment, the UPS test system further comprises a battery detection device, and the method further comprises:
sending a battery detection instruction to a battery detection device, wherein the battery detection instruction is used for instructing the battery detection device to monitor the discharging process of a storage battery in the UPS to be detected;
and acquiring monitoring parameters sent by the battery detection device, wherein the monitoring parameters comprise at least one of battery voltage, battery current, battery temperature and battery internal resistance of the storage battery.
In one embodiment, the UPS to be tested is connectable to the commercial power, the UPS test system further includes an adjustable power supply, the adjustable power supply is connectable to the commercial power and is connected to the UPS to be tested, and the method further includes:
controlling the adjustable power supply to be connected with commercial power, and sending a second adjusting instruction to the adjustable power supply, wherein the second adjusting instruction is used for indicating the adjustable power supply to adjust the input parameters of the UPS to be tested;
and acquiring second output of the UPS to be tested based on the changed input parameters, and determining the electrical index of the UPS to be tested according to the second output.
In a second aspect, an embodiment of the present disclosure further provides a UPS testing apparatus applied to a UPS testing system, where the UPS testing system includes an adjustable load connected to a UPS to be tested, the adjustable load includes a nonlinear load apparatus, and the apparatus includes:
the first adjusting instruction sending module is used for sending a first adjusting instruction to the adjustable load according to a preset power load mapping relation, and the first adjusting instruction is used for indicating the adjustable load to change the load value of the nonlinear load device; the power load mapping relation comprises load values of the UPS to be tested which can be mounted under different powers;
and the first index determining module is used for acquiring a first output of the UPS to be tested based on the changed load value and determining an electrical index of the UPS to be tested according to the first output.
In one embodiment, the first adjustment instruction sending module includes:
the load value determining submodule is used for determining a corresponding target load value under each adjusting step according to the power load mapping relation, the rated power of the UPS to be tested and the rated power adjusting step;
and the adjusting instruction sending submodule is used for sending a first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step.
In one embodiment, the adjustable load further comprises a linear load device; the load value determining submodule is specifically configured to determine a load value of the linear load device and/or a load value of the non-linear load device at each adjustment step according to the power load mapping relationship, and the rated power adjustment step of the UPS to be tested;
correspondingly, the adjusting instruction sending submodule is specifically configured to send a first adjusting instruction to the adjustable load according to the load value of the linear load device and/or the load value of the nonlinear load device under each adjustment step.
In one embodiment, the UPS test system further comprises a battery detection device, the device further comprising:
the detection instruction sending module is used for sending a battery detection instruction to the battery detection device, and the battery detection instruction is used for indicating the battery detection device to monitor the discharging process of the storage battery in the UPS to be detected;
and the monitoring parameter acquisition module is used for acquiring the monitoring parameters sent by the battery detection device, and the monitoring parameters comprise at least one of battery voltage, battery current, battery temperature and battery internal resistance of the storage battery.
In one embodiment, the UPS to be tested is connectable to the commercial power, the UPS test system further includes an adjustable power supply, the adjustable power supply is connectable to the commercial power and is connected to the UPS to be tested, and the apparatus further includes:
the second adjusting instruction sending module is used for controlling the adjustable power supply to be connected with commercial power and sending a second adjusting instruction to the adjustable power supply, and the second adjusting instruction is used for indicating the adjustable power supply to adjust the input parameters of the UPS to be tested;
and the second index determining module is used for acquiring a second output of the UPS to be tested based on the changed input parameters and determining the electrical index of the UPS to be tested according to the second output.
In a third aspect, an embodiment of the present disclosure further provides a UPS test system, where the system includes: the system comprises an upper computer and an adjustable load and parameter acquisition system which are respectively connected with the upper computer; the parameter acquisition system is connected with the input end and the output end of the UPS to be tested; the adjustable load comprises a non-linear load device;
the upper computer is used for sending a first adjusting instruction to the adjustable load according to a preset power load mapping relation, and the first adjusting instruction is used for indicating the adjustable load to change the load value of the nonlinear load device;
and the parameter acquisition system is used for acquiring the first output of the UPS to be tested based on the changed load value, sending the first output to the upper computer and determining the electrical index of the UPS to be tested according to the first output by the upper computer.
In one embodiment, the nonlinear load device comprises a first control unit, and a resistance-capacitance load and a nonlinear load which are respectively connected with the first control unit;
the first control unit is used for receiving a first adjusting instruction and adjusting the load value of the capacitive load and the load value of the nonlinear load according to the first adjusting instruction.
In one embodiment, the adjustable load further comprises a linear load device comprising a second control unit;
the second control unit is used for receiving the first adjusting instruction and adjusting the load value of the linear load device according to the first adjusting instruction.
In one embodiment, the UPS test system further includes a battery detection device connected to the upper computer, and the battery detection device is further connected to a storage battery inside the UPS to be tested;
the battery detection device is used for receiving a battery detection instruction sent by the upper computer and sending monitoring parameters to the upper computer, and the battery detection instruction is used for indicating the battery detection device to monitor the discharging process of a storage battery in the UPS to be detected; the monitored parameter includes at least one of a cell voltage, a cell current, a cell temperature, and an internal cell resistance of the battery.
In one embodiment, the UPS test system further comprises an adjustable power supply, the adjustable power supply is connected to the commercial power in an on-off manner and is connected to the UPS to be tested; the UPS to be tested can be connected with the commercial power in a switching mode;
the upper computer is also used for controlling the adjustable power supply to be connected with commercial power and sending a second adjusting instruction to the adjustable power supply, and the second adjusting instruction is used for indicating the adjustable power supply to adjust the input parameters of the UPS to be tested;
and the parameter acquisition system is used for acquiring second output of the UPS to be tested based on the changed input parameters, sending the second output to the upper computer and determining the electrical index of the UPS to be tested according to the second output by the upper computer.
In a fourth aspect, an embodiment of the present disclosure further provides a UPS test system, where the UPS test system includes: the system comprises an upper computer and an adjustable load and parameter acquisition system which are respectively connected with the upper computer; the parameter acquisition system is connected with the input end and the output end of the UPS to be tested; the adjustable load comprises a non-linear load device; the upper computer comprises a memory and a processor, the memory stores a computer program, and the processor realizes the steps of the method of the first aspect when executing the computer program.
In a fifth aspect, the disclosed embodiments also provide a computer-readable storage medium. The computer-readable storage medium having stored thereon a computer program which, when being executed by a processor, carries out the steps of the method of the first aspect.
In a sixth aspect, the disclosed embodiments also provide a computer program product. The computer program product comprising a computer program that, when executed by a processor, performs the steps of the method of the first aspect.
The UPS test method, the UPS test device, the UPS test system, the UPS test storage medium and the UPS test program product send a first adjusting instruction to the adjustable load according to a preset power load mapping relation; and acquiring a first output of the UPS to be tested based on the changed load value, and determining an electrical index of the UPS to be tested according to the first output. Compared with the prior art that the UPS to be tested is only subjected to on-load test, the UPS testing system provided by the embodiment of the disclosure simulates the situation of multiple actual power loads by setting the adjustable load in the UPS testing system, so that the UPS to be tested is subjected to multiple project tests, and the actual application requirements of the UPS are met. Especially, the adjustable load comprises a nonlinear load device, so that the UPS to be tested can be subjected to output test under the nonlinear load. Furthermore, the embodiment of the disclosure can also perform automatic testing through upper computer control, thereby improving testing efficiency and testing precision.
Drawings
FIG. 1 is a diagram of an exemplary UPS testing method;
FIG. 2 is a flow diagram of a UPS test method in one embodiment;
FIG. 3 is a flowchart illustrating the step of sending a first adjustment command to an adjustable load according to one embodiment;
FIG. 4 is a schematic flow chart of the battery test procedure in one embodiment;
FIG. 5 is a schematic flow chart of the step of adjusting input parameters in one embodiment;
FIG. 6 is a block diagram of an embodiment of a UPS test device;
FIG. 7 is a block diagram of one embodiment of a UPS test system;
FIG. 8 is a second block diagram illustrating the structure of a UPS test system according to an embodiment;
FIG. 9 is a third block diagram illustrating the configuration of a UPS test system in accordance with an embodiment;
FIG. 10 is a block diagram of a UPS test system in accordance with an embodiment.
Detailed Description
In order to make the objects, technical solutions and advantages of the present application more apparent, the present application is described in further detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present application and are not intended to limit the present application.
The UPS testing method provided by the embodiment of the disclosure can be applied to the application environment shown in fig. 1. The application environment comprises a UPS test system 10 and a UPS11 to be tested, wherein the UPS test system 10 is connected with a UPS11 to be tested. The UPS test system 10 includes an upper computer 101 and an adjustable load 102, the adjustable load 102 includes a nonlinear load device, and the upper computer 101 communicates with the adjustable load 102 through a network, so as to send an adjustment instruction to the adjustable load 102. The upper computer 102 may be, but is not limited to, various personal computers, notebook computers, tablet computers and servers, wherein the server may be implemented by an independent server or a server cluster composed of a plurality of servers.
In an embodiment, as shown in fig. 2, taking an example that the method is applied to an upper computer in a UPS test system for explanation, an embodiment of the present disclosure may include the following steps:
step 201, according to a preset power load mapping relationship, sending a first adjusting instruction to an adjustable load.
The power load mapping relation comprises load values of the UPS to be tested which can be mounted under different powers. Illustratively, the load value that the UPS to be tested can mount under the power a1 is B1, and the load value that the UPS to be tested can mount under the power a2 is B2.
The upper computer of the UPS test system can store a power load mapping relation in advance, and when the UPS to be tested is tested, the upper computer sends a first adjusting instruction to the adjustable load according to the power load mapping relation. And after receiving the first adjusting instruction, the adjustable load changes the load value of the nonlinear load device.
Step 202, obtaining a first output of the UPS to be tested based on the changed load value, and determining an electrical index of the UPS to be tested according to the first output.
And after the nonlinear load device in the adjustable load changes the load value, the UPS to be tested performs corresponding output based on the changed load value. An upper computer in the UPS test system obtains a first output of the UPS to be tested, calculates electrical indexes according to the first output, and can determine the electrical indexes of the UPS to be tested, such as an output voltage range, an output voltage precision, an output current range, an output current precision, a total harmonic current distortion degree, a power factor, an output dynamic response and the like. The electric indexes are not limited, and can be selected according to actual conditions.
The nonlinear load device can simulate the starting characteristic, the stability characteristic and the transient characteristic of an actual electric load, so that the UPS test system in the embodiment of the disclosure can test the response of the UPS to be tested under different electric loads, and the performance of the UPS to be tested is determined.
In the UPS test method, a first adjusting instruction is sent to an adjustable load according to a preset power load mapping relation; and acquiring a first output of the UPS to be tested based on the changed load value, and determining an electrical index of the UPS to be tested according to the first output. Compared with the prior art that the UPS to be tested is only subjected to on-load test, the UPS testing system provided by the embodiment of the disclosure simulates the situation of multiple actual power loads by setting the adjustable load in the UPS testing system, so that the UPS to be tested is subjected to multiple project tests, and the actual application requirements of the UPS are met. Especially, the adjustable load comprises a nonlinear load device, so that the UPS to be tested can be subjected to output test under the nonlinear load. Furthermore, the embodiment of the disclosure can also perform automatic testing through upper computer control, thereby improving testing efficiency and testing precision.
In an embodiment, as shown in fig. 3, the process of sending the first adjustment instruction to the adjustable load according to the preset power load mapping relationship may include the following steps:
step 301, determining a corresponding target load value under each adjustment step according to the power load mapping relationship, and the rated power adjustment step of the UPS to be tested.
When the load value of the adjustable load is changed, the upper computer in the UPS test system may determine a plurality of target powers according to the rated power and the rated power adjustment steps, and then determine a target load value corresponding to each target power according to the power load mapping relationship, to obtain a target load value corresponding to each adjustment step.
For example, in the case that the rated power is U, and the rated power adjustment step is 25%, the upper computer may determine target powers corresponding to 0%, 25%, 50%, 75%, 100%, and 125% of the rated power, respectively; and then, determining a target load value corresponding to each target power according to the power load mapping relation. The step of the rated power adjustment is not limited, and the step can be set according to actual conditions.
Step 302, a first adjusting instruction is sent to the adjustable load according to the corresponding target load value under each adjusting step.
The upper computer can send a first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step, and the first adjusting instruction carries a plurality of target load values; or sending a plurality of first adjusting instructions to the adjustable load, wherein each first adjusting instruction carries a target load value. The embodiment of the present disclosure does not limit this, and may be selected according to the actual situation.
In the above embodiment, according to the power load mapping relationship, and the rated power adjustment step of the UPS to be measured, a corresponding target load value under each adjustment step is determined; and sending a first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step. According to the embodiment of the disclosure, the test of various load conditions can be realized by adjusting the stepping according to the rated power, so that the test requirements of the UPS to be tested with different power levels are met.
In one embodiment, the adjustable load further comprises a linear load device; the step 301 may include: and determining the load value of the linear load device and/or the load value of the nonlinear load device under each adjustment step according to the power load mapping relation, the rated power of the UPS to be tested and the rated power adjustment step.
The adjustable load may include a non-linear load device and a linear load device. In practical application, a non-linear load device or a linear load device can be used alone; non-linear load devices may also be used in combination with linear load devices. The embodiment of the present disclosure does not limit this, and may be set according to actual situations.
An upper computer in the UPS test system firstly obtains the rated power of the UPS to be tested and the rated power adjustment step; then, the upper computer adjusts and steps to determine a plurality of target powers according to the rated power and the rated power of the UPS to be tested; and then, the upper computer determines the load value of the linear load device and/or the load value of the nonlinear load device corresponding to each target power according to the power load mapping relation.
For example, the nonlinear load device is used in combination with the linear load device, and the upper computer determines the load value a1 of the linear load device and the load value a2 of the nonlinear load device corresponding to each target power according to the power load mapping relationship.
Accordingly, the step 302 may include: and sending a first adjusting instruction to the adjustable load according to the load value of the linear load device and/or the load value of the nonlinear load device under each adjusting step.
After determining the load value of the linear load device and/or the load value of the nonlinear load device corresponding to each target power, the upper computer can respectively send a first adjusting instruction to the linear load device and/or the nonlinear load device in the adjustable load.
In the above embodiment, the adjustable load further includes a linear load device, and the upper computer determines a load value of the linear load device and/or a load value of the nonlinear load device at each adjustment step according to the power load mapping relationship, and the rated power adjustment step of the UPS to be tested; and sending a first adjusting instruction to the adjustable load according to the load value of the linear load device and/or the load value of the nonlinear load device under each adjusting step. The embodiment of the disclosure can use the nonlinear load device and the linear load device separately or in combination, thereby realizing the test of different load conditions and meeting the test requirements of various types of UPS.
In one embodiment, the UPS test system further includes a battery detection apparatus, as shown in fig. 4, the embodiment of the disclosure may further include:
step 401, a battery detection command is sent to a battery detection device.
The battery detection instruction is used for indicating the battery detection device to monitor the discharging process of the storage battery in the UPS to be detected.
The UPS test system is provided with a battery detection device aiming at the storage test in the UPS to be tested. When the storage battery in the UPS to be tested is subjected to discharge test, the upper computer of the UPS test system sends a battery detection instruction to the battery detection device. And after receiving the battery detection instruction, the battery detection device monitors the discharging process of the storage battery in the UPS to be detected.
Step 402, acquiring a monitoring parameter sent by the battery detection device.
The battery detection device monitors monitoring parameters such as battery voltage, battery current, battery temperature and battery internal resistance of a storage battery in the UPS to be detected. And then, the monitoring parameters can be obtained from the battery detection device by the upper computer, and also can be sent to the upper computer by the battery detection device. The embodiment of the present disclosure does not limit this, and may be set according to actual situations.
In the above embodiment, the battery detection instruction is sent to the battery detection device; and acquiring the monitoring parameters sent by the battery detection device. This disclosed embodiment carries out energy storage and energy recovery's test to the UPS that awaits measuring through setting up battery detection device, compares with prior art and has increased the test item, and is more comprehensive to the test of UPS.
In one embodiment, the UPS to be tested is connectable to the utility power, and the UPS test system further includes an adjustable power supply connectable to the utility power and connected to the UPS to be tested. For example, the UPS to be tested is connected to the commercial power, and the adjustable power supply is disconnected from the commercial power, at this time, the test performed on the UPS to be tested is the performance of the UPS to be tested when the UPS to be tested operates under the commercial power. And disconnecting the UPS to be tested from the commercial power, and connecting the adjustable power supply with the commercial power, wherein the test of the UPS to be tested is the performance of the UPS to be tested after the adjustable power supply adjusts the commercial power. It can be understood that the two test states can test the performance of the UPS to be tested under normal conditions and can also test the performance of the UPS to be tested under various abnormal conditions.
As shown in fig. 5, the embodiment of the present disclosure may further include the following steps:
and step 501, controlling the adjustable power supply to switch on the commercial power, and sending a second adjusting instruction to the adjustable power supply.
The upper computer in the UPS test system controls the adjustable power supply to be connected with the commercial power, so that a channel of the commercial power, the adjustable power supply, the UPS to be tested and the adjustable load is formed. At this time, the upper computer sends a second adjusting instruction to the adjustable power supply.
The second adjusting instruction is used for indicating the adjustable power supply to adjust the input parameter of the UPS to be measured. Namely, the adjustable power supply adjusts the accessed commercial power after receiving the second adjustment, thereby adjusting the input parameters of the UPS to be tested.
Illustratively, the adjustable power supply adjusts a voltage amplitude of the input voltage of the UPS under test, or adjusts a frequency of the input voltage of the UPS under test. The input parameters are not limited in the embodiment of the disclosure, and can be set according to actual conditions.
Step 502, obtaining a second output of the UPS to be tested based on the changed input parameter, and determining an electrical index of the UPS to be tested according to the second output.
After the adjustable power supply is adjusted, the UPS to be tested responds according to the changed input parameters, and the upper computer obtains the second output of the UPS to be tested. And then, the upper computer calculates the electrical index of the UPS to be tested according to the second output of the UPS to be tested. The electrical index may refer to the above embodiments, and the embodiments of the present disclosure are not described herein again.
In the above embodiment, the adjustable power supply is controlled to be connected with the commercial power, and a second adjusting instruction is sent to the adjustable power supply; and acquiring second output of the UPS to be tested based on the changed input parameters, and determining the electrical index of the UPS to be tested according to the second output. The embodiment of the disclosure simulates multiple input conditions by setting the adjustable power supply in the UPS test system, thereby testing the performance of the UPS to be tested under different input conditions.
It should be understood that, although the steps in the flowcharts related to the embodiments are shown in sequence as indicated by the arrows, the steps are not necessarily executed in sequence as indicated by the arrows. The steps are not performed in the exact order shown and described, and may be performed in other orders, unless explicitly stated otherwise. Moreover, at least a part of the steps in the flowcharts related to the above embodiments may include multiple steps or multiple stages, which are not necessarily performed at the same time, but may be performed at different times, and the order of performing the steps or stages is not necessarily sequential, but may be performed alternately or alternately with other steps or at least a part of the steps or stages in other steps.
Based on the same inventive concept, the embodiment of the application also provides a UPS testing device for implementing the UPS testing method. The implementation scheme for solving the problem provided by the device is similar to the implementation scheme described in the above method, so specific limitations in one or more embodiments of the UPS testing device provided below can be referred to the limitations in the above UPS testing method, and are not described herein again.
In one embodiment, as shown in fig. 6, a UPS testing apparatus is provided for a UPS testing system including an adjustable load connected to a UPS under test, the adjustable load including a nonlinear load device, the apparatus comprising:
a first adjusting instruction sending module 601, configured to send a first adjusting instruction to the adjustable load according to a preset power load mapping relationship, where the first adjusting instruction is used to instruct the adjustable load to change a load value of the nonlinear load device; the power load mapping relation comprises load values of the UPS to be tested which can be mounted under different powers;
the first index determining module 602 is configured to obtain a first output of the UPS to be tested based on the changed load value, and determine an electrical index of the UPS to be tested according to the first output.
In one embodiment, the first adjustment instruction sending module 601 includes:
the load value determining submodule is used for determining a corresponding target load value under each adjusting step according to the power load mapping relation, the rated power of the UPS to be tested and the rated power adjusting step;
and the adjusting instruction sending submodule is used for sending a first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step.
In one embodiment, the adjustable load further comprises a linear load device; the load value determining submodule is specifically configured to determine a load value of the linear load device and/or a load value of the non-linear load device at each adjustment step according to the power load mapping relationship, and the rated power adjustment step of the UPS to be tested;
correspondingly, the adjusting instruction sending submodule is specifically configured to send a first adjusting instruction to the adjustable load according to the load value of the linear load device and/or the load value of the nonlinear load device under each adjustment step.
In one embodiment, the UPS test system further comprises a battery detection device, the device further comprising:
the detection instruction sending module is used for sending a battery detection instruction to the battery detection device, and the battery detection instruction is used for indicating the battery detection device to monitor the discharging process of the storage battery in the UPS to be detected;
and the monitoring parameter acquisition module is used for acquiring the monitoring parameters sent by the battery detection device, and the monitoring parameters comprise at least one of battery voltage, battery current, battery temperature and battery internal resistance of the storage battery.
In one embodiment, the UPS to be tested is connectable to the commercial power, the UPS test system further includes an adjustable power supply, the adjustable power supply is connectable to the commercial power and is connected to the UPS to be tested, and the apparatus further includes:
the second adjusting instruction sending module is used for controlling the adjustable power supply to be connected with commercial power and sending a second adjusting instruction to the adjustable power supply, and the second adjusting instruction is used for indicating the adjustable power supply to adjust the input parameters of the UPS to be tested;
and the second index determining module is used for acquiring a second output of the UPS to be tested based on the changed input parameters and determining the electrical index of the UPS to be tested according to the second output.
The modules in the UPS test apparatus may be implemented in whole or in part by software, hardware, or a combination thereof. The modules can be embedded in a hardware form or independent from a processor in the computer device, and can also be stored in a memory in the computer device in a software form, so that the processor can call and execute operations corresponding to the modules.
In one embodiment, as shown in fig. 7, there is provided a UPS test system comprising: the system comprises an upper computer and an adjustable load and parameter acquisition system which are respectively connected with the upper computer; the parameter acquisition system is connected with the input end and the output end of the UPS to be tested; the adjustable load comprises a non-linear load device; the upper computer is used for sending a first adjusting instruction to the adjustable load according to a preset power load mapping relation, and the first adjusting instruction is used for indicating the adjustable load to change the load value of the nonlinear load device; and the parameter acquisition system is used for acquiring the first output of the UPS to be tested based on the changed load value, sending the first output to the upper computer and determining the electrical index of the UPS to be tested according to the first output by the upper computer.
The upper computer of the UPS test system can store a power load mapping relation in advance, and when the UPS to be tested is tested, the upper computer sends a first adjusting instruction to the adjustable load according to the power load mapping relation. And after receiving the first adjusting instruction, the adjustable load changes the load value of the nonlinear load device.
And after the nonlinear load in the adjustable load changes the load value, the UPS to be tested performs corresponding output according to the changed load value. The parameter acquisition system is connected with the output end of the UPS to be tested, acquires the first output of the UPS to be tested based on the changed load value, and sends the first output to the upper computer. And after receiving the first output, the upper computer determines the electrical index of the UPS to be tested according to the first output.
The parameter acquisition system can comprise an input/output interface, a current transformer, a voltage transformer, a connecting cable and a test instrument. The test meter may include at least one of an oscilloscope, a power analyzer, and a wave recorder. The input/output interface is used for connecting the input end and the output end of the UPS to be tested, and the current transformer is used for converting the current monitored by the UPS to be tested and transmitting the converted current to the test instrument through the connecting cable; the voltage transformer is used for converting the voltage monitored by the UPS to be tested and transmitting the converted voltage to the test instrument through the connecting cable. The structure of the parameter acquisition system is not limited in the embodiment of the disclosure, and the parameter acquisition system can be set according to actual conditions.
The upper computer is in communication connection with the adjustable load and the parameter acquisition system, and can adopt an RS485/422 serial port communication mode, and the communication mode is not limited by the embodiment of the disclosure and can be set according to actual conditions.
In one embodiment, the upper computer can call the test instrument in the parameter acquisition system, so that the test instrument can complete the functions of automatic acquisition of signals such as voltage and current, acquisition triggering of waveforms, image interception, data reading, automatic measurement and the like.
In one embodiment, after the upper computer determines the electrical index of the UPS to be tested according to the first output, the upper computer displays the electrical index of the UPS to be tested. Illustratively, the upper computer displays steady-state three-phase voltage, transient three-phase voltage, three-phase current, active power, apparent power, power factor, frequency, running time and the like of the UPS to be tested.
In one embodiment, after determining the electrical index of the UPS to be tested according to the first output, the upper computer determines whether the electrical index of the UPS to be tested meets the requirement, and generates a test report. The test report may include the output voltage and the output frequency of the UPS to be tested, and the adjustment rate, the fluctuation rate, the recovery time, etc. of the output voltage and the output frequency, and these may also be generated into a table, a curve, a picture, etc. according to these output parameters. The content of the test report is not limited in the embodiments of the present disclosure.
In one embodiment, an automatic test program can be set in the upper computer, so that the upper computer controls the automatic test of the UPS to be tested.
In the above embodiment, the UPS testing system includes an upper computer, an adjustable load and a parameter acquisition system; the upper computer sends a first adjusting instruction to the adjustable load according to a preset power load mapping relation; the adjustable load changes the load value of the nonlinear load device according to the first adjusting instruction; the parameter acquisition system acquires first output of the UPS to be tested based on the changed load value and sends the first output to the upper computer; and the upper computer determines the electrical index of the UPS to be tested according to the first output. Through the UPS test system of the embodiment of the disclosure, the UPS to be tested can be automatically tested in various projects, especially, the UPS to be tested is tested under the nonlinear load, so that the test efficiency and the test precision can be improved, and compared with the test system in the prior art, the test projects are more comprehensive when the UPS is tested in a loading mode.
In one embodiment, the nonlinear load device comprises a first control unit, and a resistance-capacitance load and a nonlinear load which are respectively connected with the first control unit; the first control unit is used for receiving a first adjusting instruction and adjusting the load value of the capacitive load and the load value of the nonlinear load according to the first adjusting instruction.
The nonlinear load device comprises a first control unit, a resistance-capacitance load and a nonlinear load, wherein the resistance-capacitance load and the nonlinear load are respectively connected with the first control unit. The upper computer sends a first adjusting instruction to the adjustable load, and a first control unit of the nonlinear load device receives the first adjusting instruction and then adjusts the load value of the capacitive load and the load value of the nonlinear load according to the first adjusting instruction.
In one embodiment, the upper computer determines a corresponding target load value under each adjustment step according to the power load mapping relation, the rated power of the UPS to be tested and the rated power adjustment step; and sending a first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step. The first control unit of the nonlinear load device receives a first adjusting instruction and then adjusts the load value of the capacitive load and the load value of the nonlinear load according to the first adjusting instruction.
Illustratively, the upper computer determines that the rated power corresponding to the nonlinear load is 120kVA and the rated power adjustment step is 1kVA, the upper computer sends a first adjustment instruction to the nonlinear load device, and the nonlinear load device can be adjusted randomly within the range of 5kVA-120kVA, so that the UPS to be tested can operate under the steady state condition of 0-33% of rated output apparent power.
The nonlinear load may include a rectifier bridge, a diode, a relay, a transistor, and the like. The nonlinear load is not limited in the embodiment of the disclosure, and can be set according to actual conditions.
In the above embodiment, the nonlinear load device includes a first control unit, a resistance-capacitance load, and a nonlinear load; the first control unit receives a first adjusting instruction and adjusts the load value of the capacitive load and the load value of the nonlinear load according to the first adjusting instruction. According to the embodiment of the disclosure, the nonlinear load device is arranged in the adjustable load, so that the test under various nonlinear load conditions can be realized, and compared with the prior art, the test items are added, so that the test is more comprehensive.
In one embodiment, as shown in fig. 8, the adjustable load further comprises a linear load device. The linear load device comprises a second control unit; the second control unit is used for receiving the first adjusting instruction and adjusting the load value of the linear load device according to the first adjusting instruction.
The adjustable load further comprises a linear load arrangement comprising a second control unit. After the upper computer sends the first adjusting instruction to the adjustable load, the first control unit of the nonlinear load device can receive the first adjusting instruction, and the second control unit of the linear load device can also receive the first adjusting instruction. And after receiving the first adjusting instruction, the second control unit of the linear load device adjusts the load value of the linear load device according to the first adjusting instruction.
The linear load device may include at least one of a resistive load device and an inductive load device. The resistive load device can comprise a resistive load, a bus bar, a fan, a contactor and a second control unit; the inductive load device may include an inductive load, a busbar, a fan, a contactor, and a second control unit. The contactor is used for connecting the resistive load or the inductive load with a busbar, and the busbar is used for connecting the resistive load or the inductive load with the UPS to be tested; fans are used to dissipate heat from resistive or inductive loads.
And under the condition that the linear load device comprises the resistive load device, a second control unit in the resistive load device receives the first adjusting instruction and adjusts the resistive load according to the first adjusting instruction. In case the linear load device comprises an inductive load device, the second control unit in the inductive load device adjusts the inductive load according to the first adjustment instruction after receiving the first adjustment instruction. Under the condition that the linear load device comprises a resistive load device and an inductive load device, after receiving a first adjusting instruction, a second control unit of the resistive load device adjusts the resistive load according to the first adjusting instruction; and after receiving the first adjusting instruction, the second control unit of the inductive load device adjusts the inductive load according to the first adjusting instruction.
Exemplarily, the upper computer determines that the rated power corresponding to the resistive load is 500kW, and the rated power adjustment step is 5 kW; the upper computer sends a first adjusting instruction to the resistive load device, and the resistive load device can be adjusted randomly within the range of 10kW-500 kW.
Illustratively, the upper computer determines that the rated power of the inductive load is 300kVA, the rated power is adjusted to be 5kVA in a stepping mode, the upper computer sends a first adjusting instruction to the inductive load device, and the inductive load device can be adjusted within the range of 10kVA-300kVA at will.
It is understood that the linear load device and the nonlinear load device can be used individually or in combination, so as to meet various testing requirements of the UPS under test with 500kVA at 100% apparent power and active power and 33% reference nonlinear load. The resistive load device and the inductive load device in the linear load device can be used independently or in combination, so that various test requirements of the UPS to be tested with 500kVA in the range of the power factor of 0.8-1.0 are met.
In the above embodiment, the adjustable load further comprises a linear load device, and the linear load device comprises a second control unit; the second control unit receives the first adjusting instruction and adjusts the load value of the linear load device according to the first adjusting instruction. According to the embodiment of the disclosure, by setting the linear load in the adjustable load, various linear loads can be realized, or tests under the condition of combination of the linear load and the nonlinear load can be realized, so that test items are more comprehensive.
In one embodiment, as shown in fig. 9, the UPS testing system further includes a battery detection device connected to the upper computer, and the battery detection device is further connected to a storage battery inside the UPS to be tested; the battery detection device is used for receiving a battery detection instruction sent by the upper computer and sending monitoring parameters to the upper computer, and the battery detection instruction is used for indicating the battery detection device to monitor the discharging process of the storage battery in the UPS to be detected.
The UPS test system further comprises a battery detection device, the battery detection device is in communication connection with the upper computer, and meanwhile, the battery detection device is connected with the positive pole and the negative pole of the storage battery inside the UPS to be tested through the connecting cable. When the storage battery in the UPS to be tested is subjected to discharge test according to the battery capacity of the storage battery and the set discharge current, the upper computer sends a battery detection instruction to the battery detection device, the electrical detection device receives the battery detection instruction, monitors the discharge process of the storage battery in the UPS to be tested, and sends monitoring parameters to the upper computer. The upper computer can display the monitoring parameters and can also generate a test report according to the monitoring parameters. The embodiments of the present disclosure do not limit this.
The monitoring parameter includes at least one of a cell voltage, a cell current, a cell temperature, and an internal resistance of the battery of the secondary battery.
In the above embodiment, the UPS testing system further includes a battery detection device, where the battery detection device receives a battery detection instruction sent by the upper computer, monitors a discharging process of the storage battery inside the UPS to be tested, and sends a monitoring parameter to the upper computer. According to the embodiment of the disclosure, by setting in the UPS test system, tests of items such as energy storage and energy recovery can be realized, and compared with the prior art, test items are added.
In one embodiment, as shown in fig. 10, the UPS test system further includes an adjustable power supply, which is connectable to the commercial power and is connected to the UPS to be tested; the UPS to be tested can be connected with the commercial power in a switching mode; the upper computer is also used for controlling the adjustable power supply to be connected with commercial power and sending a second adjusting instruction to the adjustable power supply, and the second adjusting instruction is used for indicating the adjustable power supply to adjust the input parameters of the UPS to be tested; and the parameter acquisition system is used for acquiring second output of the UPS to be tested based on the changed input parameters, sending the second output to the upper computer and determining the electrical index of the UPS to be tested according to the second output by the upper computer.
The UPS test system comprises an adjustable power supply, and the adjustable power supply is connected with the UPS to be tested. The upper computer controls the adjustable power supply to be connected with the mains supply, and the adjustable power supply can adjust the mains supply, so that the input parameters of the UPS to be tested are adjusted.
Illustratively, the voltage variation range of the adjustable power supply is ± 25% of the rated nominal voltage of the UPS under test, and the frequency variation range of the adjustable power supply is ± 10% of the rated nominal frequency of the UPS under test.
And then, the UPS to be tested outputs based on the changed input parameters, and the parameter acquisition system acquires the second output of the UPS to be tested and sends the second output to the upper computer. And the upper computer receives the second output of the UPS to be tested and determines the electrical index of the UPS to be tested according to the second output. The electrical index may refer to the above embodiments, and the embodiments of the present disclosure are not described herein again.
In one embodiment, the UPS test system may be provided with a diverter switch cabinet in order to control the switchable connection of the adjustable power supply to the mains. As shown in fig. 10, the switch cabinet may include a first switch and a second switch. The first switch is respectively connected with the commercial power and the UPS to be tested, so that the UPS to be tested can be connected with the commercial power in a switching-on and switching-off manner. The second change-over switch is respectively connected with the commercial power and the adjustable power supply, so that the adjustable power supply can be connected with the commercial power in a break-make mode.
In one test scenario, the first switch is connected between the commercial power and the UPS to be tested, and the second switch is disconnected between the commercial power and the adjustable power supply, so that a channel comprising the commercial power, the UPS to be tested and the adjustable load is formed. Under the scene, the performance test of the UPS to be tested under the normal condition can be carried out.
In one test scenario, the first switch turns off the connection between the commercial power and the UPS to be tested, and the second switch turns on the connection between the commercial power and the adjustable power supply, so that a channel comprising the commercial power, the adjustable power supply, the UPS to be tested and the adjustable load is formed. Under the scene, the performance test can be carried out on the UPS to be tested under normal conditions and various abnormal conditions.
In one embodiment, a plurality of circuit breakers may also be installed within the diverter switch cabinet for protecting the diverter switch and other equipment. And, the above-mentioned route is still installed with the overcurrent protection measure, in order to guarantee the normal work of UPS test system. The cabinet body of the switch cabinet is reliably grounded by adopting a grounding wire which is made of copper material so as to meet the requirements of electrical tests and personal safety. The structure of the switch cabinet is not limited in the embodiment of the disclosure, and the switch cabinet can be set according to actual conditions.
In the above embodiment, the UPS test system further includes an adjustable power supply, and the upper computer controls the adjustable power supply to connect to the utility power and sends a second adjustment instruction to the adjustable power supply; the adjustable power supply adjusts the input parameters of the UPS to be measured according to the second adjusting instruction; the parameter acquisition system acquires a second output of the UPS to be tested based on the changed input parameters and sends the second output to the upper computer; and the upper computer determines the electrical index of the UPS to be tested according to the second output. The embodiment of the disclosure can simulate various input conditions by setting the adjustable power supply in the UPS test system, thereby realizing the test of different input conditions.
In one embodiment, there is provided a UPS test system comprising: the system comprises an upper computer and an adjustable load and parameter acquisition system which are respectively connected with the upper computer; the parameter acquisition system is connected with the input end and the output end of the UPS to be tested; the adjustable load comprises a non-linear load device; the upper computer comprises a memory and a processor, the memory stores a computer program, and the processor executes the computer program and realizes the following steps:
sending a first adjusting instruction to the adjustable load according to a preset power load mapping relation, wherein the first adjusting instruction is used for indicating the adjustable load to change the load value of the nonlinear load device; the power load mapping relation comprises load values of the UPS to be tested which can be mounted under different powers;
and acquiring a first output of the UPS to be tested based on the changed load value, and determining an electrical index of the UPS to be tested according to the first output.
In one embodiment, the processor, when executing the computer program, further performs the steps of:
according to the power load mapping relation, the rated power of the UPS to be tested and the rated power adjusting steps, determining a corresponding target load value under each adjusting step;
and sending a first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step.
In one embodiment, the adjustable load further comprises a linear load device; the processor, when executing the computer program, further performs the steps of:
according to the power load mapping relation, the rated power of the UPS to be tested and the rated power adjusting steps, determining the load value of the linear load device and/or the load value of the nonlinear load device under each adjusting step;
correspondingly, sending a first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step includes:
and sending a first adjusting instruction to the adjustable load according to the load value of the linear load device and/or the load value of the nonlinear load device under each adjusting step.
In one embodiment, the UPS test system further comprises a battery detection device, and the processor when executing the computer program further performs the steps of:
sending a battery detection instruction to a battery detection device, wherein the battery detection instruction is used for instructing the battery detection device to monitor the discharging process of a storage battery in the UPS to be detected;
and acquiring monitoring parameters sent by the battery detection device, wherein the monitoring parameters comprise at least one of battery voltage, battery current, battery temperature and battery internal resistance of the storage battery.
In one embodiment, the UPS to be tested is connectable to the commercial power, the UPS test system further includes an adjustable power supply, the adjustable power supply is connectable to the commercial power and is connected to the UPS to be tested, and the processor executes the computer program to further implement the following steps:
controlling the adjustable power supply to be connected with commercial power, and sending a second adjusting instruction to the adjustable power supply, wherein the second adjusting instruction is used for indicating the adjustable power supply to adjust the input parameters of the UPS to be tested;
and acquiring second output of the UPS to be tested based on the changed input parameters, and determining the electrical index of the UPS to be tested according to the second output.
In one embodiment, a computer-readable storage medium is provided, having a computer program stored thereon, which when executed by a processor, performs the steps of:
sending a first adjusting instruction to the adjustable load according to a preset power load mapping relation, wherein the first adjusting instruction is used for indicating the adjustable load to change the load value of the nonlinear load device; the power load mapping relation comprises load values of the UPS to be tested which can be mounted under different powers;
and acquiring a first output of the UPS to be tested based on the changed load value, and determining an electrical index of the UPS to be tested according to the first output.
In one embodiment, the computer program when executed by the processor further performs the steps of:
according to the power load mapping relation, the rated power of the UPS to be tested and the rated power adjusting steps, determining a corresponding target load value under each adjusting step;
and sending a first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step.
In one embodiment, the adjustable load further comprises a linear load device; the computer program when executed by the processor further realizes the steps of:
according to the power load mapping relation, the rated power of the UPS to be tested and the rated power adjusting steps, determining the load value of the linear load device and/or the load value of the nonlinear load device under each adjusting step;
correspondingly, sending a first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step includes:
and sending a first adjusting instruction to the adjustable load according to the load value of the linear load device and/or the load value of the nonlinear load device under each adjusting step.
In one embodiment, the UPS test system further comprises battery detection means, and the computer program when executed by the processor further performs the steps of:
sending a battery detection instruction to a battery detection device, wherein the battery detection instruction is used for instructing the battery detection device to monitor the discharging process of a storage battery in the UPS to be detected;
and acquiring monitoring parameters sent by the battery detection device, wherein the monitoring parameters comprise at least one of battery voltage, battery current, battery temperature and battery internal resistance of the storage battery.
In one embodiment, the UPS to be tested is connectable to the utility power, the UPS test system further includes an adjustable power supply, the adjustable power supply is connectable to the utility power and is connected to the UPS to be tested, and the computer program when executed by the processor further implements the steps of:
controlling the adjustable power supply to be connected with commercial power, and sending a second adjusting instruction to the adjustable power supply, wherein the second adjusting instruction is used for indicating the adjustable power supply to adjust the input parameters of the UPS to be tested;
and acquiring second output of the UPS to be tested based on the changed input parameters, and determining the electrical index of the UPS to be tested according to the second output.
In one embodiment, a computer program product is provided, comprising a computer program which, when executed by a processor, performs the steps of:
sending a first adjusting instruction to the adjustable load according to a preset power load mapping relation, wherein the first adjusting instruction is used for indicating the adjustable load to change the load value of the nonlinear load device; the power load mapping relation comprises load values of the UPS to be tested which can be mounted under different powers;
and acquiring a first output of the UPS to be tested based on the changed load value, and determining an electrical index of the UPS to be tested according to the first output.
In one embodiment, the computer program when executed by the processor further performs the steps of:
according to the power load mapping relation, the rated power of the UPS to be tested and the rated power adjusting steps, determining a corresponding target load value under each adjusting step;
and sending a first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step.
In one embodiment, the adjustable load further comprises a linear load device; the computer program when executed by the processor further realizes the steps of:
according to the power load mapping relation, the rated power of the UPS to be tested and the rated power adjusting steps, determining the load value of the linear load device and/or the load value of the nonlinear load device under each adjusting step;
correspondingly, sending a first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step includes:
and sending a first adjusting instruction to the adjustable load according to the load value of the linear load device and/or the load value of the nonlinear load device under each adjusting step.
In one embodiment, the UPS test system further comprises battery detection means, and the computer program when executed by the processor further performs the steps of:
sending a battery detection instruction to a battery detection device, wherein the battery detection instruction is used for instructing the battery detection device to monitor the discharging process of a storage battery in the UPS to be detected;
and acquiring monitoring parameters sent by the battery detection device, wherein the monitoring parameters comprise at least one of battery voltage, battery current, battery temperature and battery internal resistance of the storage battery.
In one embodiment, the UPS to be tested is connectable to the utility power, the UPS test system further includes an adjustable power supply, the adjustable power supply is connectable to the utility power and is connected to the UPS to be tested, and the computer program when executed by the processor further implements the steps of:
controlling the adjustable power supply to be connected with commercial power, and sending a second adjusting instruction to the adjustable power supply, wherein the second adjusting instruction is used for indicating the adjustable power supply to adjust the input parameters of the UPS to be tested;
and acquiring second output of the UPS to be tested based on the changed input parameters, and determining the electrical index of the UPS to be tested according to the second output.
It will be understood by those skilled in the art that all or part of the processes of the methods of the embodiments described above can be implemented by hardware instructions of a computer program, which can be stored in a non-volatile computer-readable storage medium, and when executed, can include the processes of the embodiments of the methods described above. Any reference to memory, database, or other medium used in the embodiments provided herein may include at least one of non-volatile and volatile memory. The nonvolatile Memory may include Read-Only Memory (ROM), magnetic tape, floppy disk, flash Memory, optical Memory, high-density embedded nonvolatile Memory, resistive Random Access Memory (ReRAM), Magnetic Random Access Memory (MRAM), Ferroelectric Random Access Memory (FRAM), Phase Change Memory (PCM), graphene Memory, and the like. Volatile Memory can include Random Access Memory (RAM), external cache Memory, and the like. By way of illustration and not limitation, RAM can take many forms, such as Static Random Access Memory (SRAM) or Dynamic Random Access Memory (DRAM), among others. The databases referred to in various embodiments provided herein may include at least one of relational and non-relational databases. The non-relational database may include, but is not limited to, a block chain based distributed database, and the like. The processors referred to in the embodiments provided herein may be general purpose processors, central processing units, graphics processors, digital signal processors, programmable logic devices, quantum computing based data processing logic devices, etc., without limitation.
The technical features of the above embodiments can be arbitrarily combined, and for the sake of brevity, all possible combinations of the technical features in the above embodiments are not described, but should be considered as the scope of the present specification as long as there is no contradiction between the combinations of the technical features.
The above-mentioned embodiments only express several embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for a person skilled in the art, several variations and modifications can be made without departing from the concept of the present application, which falls within the scope of protection of the present application. Therefore, the protection scope of the present application shall be subject to the appended claims.

Claims (14)

1. A UPS test method is applied to a UPS test system, the UPS test system comprises an adjustable load connected with a UPS to be tested, the adjustable load comprises a nonlinear load device, and the method comprises the following steps:
sending a first adjusting instruction to the adjustable load according to a preset power load mapping relation, wherein the first adjusting instruction is used for indicating the adjustable load to change a load value of the nonlinear load device; the power load mapping relation comprises load values which can be mounted by the UPS to be tested under different powers;
and acquiring a first output of the UPS to be tested based on the changed load value, and determining an electrical index of the UPS to be tested according to the first output.
2. The method of claim 1, wherein sending a first adjustment instruction to the adjustable load according to a preset power load mapping relationship comprises:
determining a corresponding target load value under each adjustment step according to the power load mapping relation and the rated power adjustment step of the UPS to be tested;
and sending the first adjusting instruction to the adjustable load according to the corresponding target load value under each adjusting step.
3. The method of claim 2, wherein the adjustable load further comprises a linear load device; determining a target load value corresponding to each adjustment step according to the power load mapping relation and the rated power adjustment steps of the UPS to be tested, including:
determining the load value of the linear load device and/or the load value of the nonlinear load device under each adjustment step according to the power load mapping relation and the rated power and rated power adjustment steps of the UPS to be tested;
correspondingly, the sending the first adjustment instruction to the adjustable load according to the corresponding target load value under each adjustment step includes:
and sending the first adjusting instruction to the adjustable load according to the load value of the linear load device and/or the load value of the nonlinear load device under each adjusting step.
4. The method of claim 1, wherein the UPS test system further comprises a battery detection device, the method further comprising:
sending a battery detection instruction to the battery detection device, wherein the battery detection instruction is used for instructing the battery detection device to monitor the discharging process of a storage battery in the UPS to be detected;
and acquiring monitoring parameters sent by the battery detection device, wherein the monitoring parameters comprise at least one of battery voltage, battery current, battery temperature and battery internal resistance of the storage battery.
5. The method of any of claims 1-4, wherein the UPS under test is switchably connected to utility power, the UPS test system further comprises an adjustable power supply switchably connected to utility power and to the UPS under test, the method further comprising:
controlling the adjustable power supply to be connected with commercial power, and sending a second adjusting instruction to the adjustable power supply, wherein the second adjusting instruction is used for indicating the adjustable power supply to adjust the input parameters of the UPS to be tested;
and acquiring second output of the UPS to be tested based on the changed input parameters, and determining the electrical index of the UPS to be tested according to the second output.
6. The utility model provides a UPS surveys device which characterized in that is applied to UPS test system, UPS test system includes the adjustable load of being connected with the UPS that awaits measuring, adjustable load includes nonlinear load device, the device includes:
a first adjusting instruction sending module, configured to send a first adjusting instruction to the adjustable load according to a preset power load mapping relationship, where the first adjusting instruction is used to instruct the adjustable load to change a load value of the nonlinear load device; the power load mapping relation comprises load values which can be mounted by the UPS to be tested under different powers;
and the first index determining module is used for acquiring a first output of the UPS to be tested based on the changed load value and determining the electrical index of the UPS to be tested according to the first output.
7. A UPS test system, comprising: the system comprises an upper computer and an adjustable load and parameter acquisition system which are respectively connected with the upper computer; the parameter acquisition system is connected with the input end and the output end of the UPS to be tested; the adjustable load comprises a non-linear load device;
the upper computer is used for sending a first adjusting instruction to the adjustable load according to a preset power load mapping relation, and the first adjusting instruction is used for indicating the adjustable load to change the load value of the nonlinear load device;
the parameter acquisition system is used for acquiring first output of the UPS to be tested based on the changed load value, sending the first output to the upper computer, and determining the electrical index of the UPS to be tested by the upper computer according to the first output.
8. The system of claim 7, wherein the nonlinear load device comprises a first control unit, and a resistive-capacitive load and a nonlinear load respectively connected with the first control unit;
the first control unit is used for receiving the first adjusting instruction and adjusting the load value of the capacitive load and the load value of the nonlinear load according to the first adjusting instruction.
9. The system of claim 8, wherein the adjustable load further comprises a linear load device comprising a second control unit;
and the second control unit is used for receiving the first adjusting instruction and adjusting the load value of the linear load device according to the first adjusting instruction.
10. The system according to any one of claims 7-9, wherein the UPS testing system further comprises a battery detection device connected to the upper computer, the battery detection device further connected to a battery inside the UPS under test;
the battery detection device is used for receiving a battery detection instruction sent by the upper computer and sending monitoring parameters to the upper computer, and the battery detection instruction is used for indicating the battery detection device to monitor the discharging process of a storage battery in the UPS to be detected; the monitoring parameter includes at least one of a cell voltage, a cell current, a cell temperature, and a cell internal resistance of the storage battery.
11. The system according to any of claims 7-9, wherein the UPS test system further comprises an adjustable power supply, the adjustable power supply being connectable to mains and to the UPS under test; the UPS to be tested can be connected with the commercial power in a switching mode;
the upper computer is further used for controlling the adjustable power supply to be connected with commercial power and sending a second adjusting instruction to the adjustable power supply, and the second adjusting instruction is used for indicating the adjustable power supply to adjust the input parameters of the UPS to be tested;
the parameter acquisition system is used for acquiring second output of the UPS to be tested based on the changed input parameters, sending the second output to the upper computer, and determining the electrical index of the UPS to be tested by the upper computer according to the second output.
12. A UPS test system, comprising: the system comprises an upper computer and an adjustable load and parameter acquisition system which are respectively connected with the upper computer; the parameter acquisition system is connected with the input end and the output end of the UPS to be tested; the adjustable load comprises a non-linear load device; the upper computer comprises a memory storing a computer program and a processor implementing the steps of the method of any one of claims 1 to 6 when executing the computer program.
13. A computer-readable storage medium, on which a computer program is stored, which, when being executed by a processor, carries out the steps of the method of any one of claims 1 to 6.
14. A computer program product comprising a computer program, characterized in that the computer program realizes the steps of the method of any one of claims 1 to 6 when executed by a processor.
CN202111427975.9A 2021-11-27 2021-11-27 UPS test method, device, system, storage medium and program product Pending CN114114060A (en)

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CN105301520A (en) * 2015-11-24 2016-02-03 北京东方计量测试研究所 Adjustable nonlinear load configuration system
CN106405439A (en) * 2016-10-14 2017-02-15 北京东方计量测试研究所 Uninterrupted power supply dynamic characteristic automatic measurement and calibration device and method
CN106526505A (en) * 2016-10-14 2017-03-22 北京东方计量测试研究所 Method and system for testing non-linear load capacity characteristic of alternating-current voltage-stabilized source

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Publication number Priority date Publication date Assignee Title
JP2007129823A (en) * 2005-11-02 2007-05-24 Toyota Motor Corp Power supply testing system suitable for testing power supply system in motor generator
CN102129046A (en) * 2011-03-01 2011-07-20 艾默生网络能源有限公司 Automatic test device for uninterrupted power supply
CN105301520A (en) * 2015-11-24 2016-02-03 北京东方计量测试研究所 Adjustable nonlinear load configuration system
CN106405439A (en) * 2016-10-14 2017-02-15 北京东方计量测试研究所 Uninterrupted power supply dynamic characteristic automatic measurement and calibration device and method
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