CN110161331B - Detection platform for primary and secondary fusion complete equipment and control method - Google Patents
Detection platform for primary and secondary fusion complete equipment and control method Download PDFInfo
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- CN110161331B CN110161331B CN201910408966.1A CN201910408966A CN110161331B CN 110161331 B CN110161331 B CN 110161331B CN 201910408966 A CN201910408966 A CN 201910408966A CN 110161331 B CN110161331 B CN 110161331B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R22/00—Arrangements for measuring time integral of electric power or current, e.g. electricity meters
- G01R22/06—Arrangements for measuring time integral of electric power or current, e.g. electricity meters by electronic methods
- G01R22/061—Details of electronic electricity meters
- G01R22/063—Details of electronic electricity meters related to remote communication
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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
Abstract
The invention discloses a detection platform and a control method for primary and secondary fusion complete equipment, wherein the detection platform combines a complete detection system and a secondary detection system, reduces the complicated process of a test process, can carry out systematic test on the primary and secondary fusion complete equipment, and can simultaneously output the complete test system and the secondary test system; the detection platform outputs high power and low power through the power source, the set transformer calibrator can be compatible with different output characteristics of the electromagnetic transformer and the electronic sensor, and the test instrument does not need to be replaced when the terminal with different acquisition interfaces is tested, so that the test is convenient.
Description
Technical Field
The invention belongs to the field of power distribution network equipment detection, and particularly relates to a detection platform and a control method for primary and secondary fusion complete equipment.
Background
In recent years, in order to greatly improve the level of a power distribution network, the national power grid increases the construction of a smart power grid, the temperature is continuously raised along with the construction of the smart power grid, and the national power grid provides a primary and secondary fusion technical scheme for solving the problem that a primary high-voltage switch and a secondary power distribution terminal device are not matched in the large-scale construction and transformation of the power distribution network. Under the promotion of the environment, the problem that the complete set of primary and secondary equipment lacks a joint debugging test mechanism is more and more prominent, so that the research, detection and other aspects of the complete set of primary and secondary fusion become problems to be solved urgently. In addition, at present, a plurality of power distribution network equipment manufacturers exist, and in order to meet the working requirements of links such as quality control and network access detection, system detection needs to be carried out on primary and secondary complete equipment.
At present, a detection platform of a secondary integration complete equipment only considers the verification of a primary transformer and the performance test of the primary and secondary complete equipment, but does not consider the test of a secondary power distribution terminal, and if the test of the secondary power distribution terminal needs to be carried out, a separate test system needs to be accessed. And the existing performance test of primary and secondary complete equipment involves less protection function tests, and most of the tests are based on independent tests of the power distribution terminal. The following problems exist with this detection approach: 1. because the primary and secondary complete equipment is based on the primary high-voltage switch and the secondary power distribution terminal, if the secondary power distribution terminal is not tested, complete testing is directly carried out, and if the test has problems, the user cannot be accurately helped to analyze and position the problem points. 2. The test of the protection function of the primary and secondary complete equipment is less, and the verification of the overall protection performance is lacked. 3. The primary and secondary fusion complete equipment part adopts the electronic sensor, because the secondary side output of the electronic sensor (voltage and current) is a small voltage signal, the voltage and current output of the traditional power distribution terminal tester can not meet the requirement of small voltage output, and special equipment is required to be carried out for the equipment to carry out independent test, so that the test process is complex and the used equipment is too much.
Disclosure of Invention
The invention aims to overcome the defects and provide a detection platform and a control method for a primary and secondary integration complete set of equipment, wherein a primary and secondary complete set of system test and a secondary power distribution terminal test are combined, the secondary output characteristics of the traditional electromagnetic mutual inductor and the traditional electronic sensor are compatible, the complete function test of the detection platform is realized, and the three problems are solved.
In order to achieve the purpose, the detection platform for the primary and secondary fusion complete equipment comprises a power source, a working server, a complete detection system and a secondary detection system, wherein the power source is connected with the working server;
the power source is provided with a high-power output end and a low-power output end;
the complete detection system comprises a boosting/current rising device connected with a high-power output end of a power source, the boosting/current rising device is connected with a standard mutual inductor and a high-voltage switch, the standard mutual inductor and the high-voltage switch are both connected with a mutual inductor calibrator, and the high-voltage switch is connected with a power distribution terminal to be detected;
the low-power output end of the power source is connected with a three-phase electric energy meter of the secondary detection system, and the three-phase electric energy meter is connected with a power distribution terminal to be detected;
the standard transformer is used for converting a high-voltage signal output by the boosting/current booster into low voltage and low current;
the three-phase electric energy meter, the power distribution terminal to be tested and the mutual inductor calibrator are all connected with the working server;
the transformer calibrator is used for performing error calibration on a standard transformer and uploading a test result to the working server;
the three-phase electric energy meter is used for controlling and outputting different pulse signals to the power distribution terminal to be tested;
the power distribution terminal receives a pulse signal sent by the three-phase electric energy meter, realizes the metering inspection of the line loss module and uploads test data to the working server;
the working server is used for controlling the high-power output end and the low-power output end of the power source, performing step-by-step or concurrent testing on the complete detection system and the secondary detection system, acquiring data of the power source, the mutual inductor calibrator, the three-phase electric energy meter and the power distribution terminal to be tested in real time, and analyzing and subsequently processing the data.
The low-power output end of the power source has a normal mode and a low-voltage signal mode, the normal mode is used for simulating secondary side output of the electromagnetic mutual inductor, and the low-voltage signal mode is used for simulating secondary output of the electronic sensor.
The low-power output end is provided with an input/output interface, and can carry out remote signaling and remote control testing on the connected power distribution terminal to be tested.
Data are exchanged among the three-phase electric energy meter, the power distribution terminal to be tested, the mutual inductor calibrator and the working server through the Ethernet.
The booster/current booster can output 20KV/1000A current.
The high-voltage switch is connected with the power distribution terminal to be tested through an aerial cable.
Standard transformers include voltage transformers and current transformers.
A control method for a detection platform of a primary and secondary fusion complete equipment comprises the following steps:
the method comprises the following steps that firstly, a working server controls a power source to select two testing systems according to required detection, and controls a secondary detection system to output different modes according to the characteristics of a power distribution terminal to be detected;
after receiving the instruction of the working server, the power source analyzes the instruction and sends a control instruction to a set of detection system, and the set of detection system correspondingly connects the power distribution terminals to be tested for testing;
and step three, the working server collects data of the power source, the mutual inductor calibrator, the three-phase electric energy meter and the power distribution terminal to be tested in real time, and analyzes the data to generate a test result.
The working server controls the high-power output end and the low-power output end of the power source according to the test requirements, and performs step-by-step or concurrent test on the complete set of detection system and the secondary detection system; when the secondary detection system is tested, the working server controls the low-power output end of the secondary detection system to switch between a normal mode and a small-signal mode according to the remote measurement acquisition interface characteristic of the power distribution terminal to be tested so as to simulate the secondary output characteristics of the electromagnetic mutual inductor and the electronic sensor.
Compared with the prior art, the detection platform combines the complete detection system and the secondary detection system, reduces the complicated process of the test process, can carry out systematic test on the primary and secondary fusion complete equipment, and can output the complete test system and the secondary test system simultaneously; the detection platform outputs high power and low power through the power source, the set transformer calibrator can be compatible with different output characteristics of the electromagnetic transformer and the electronic sensor, and the test instrument does not need to be replaced when the terminal with different acquisition interfaces is tested, so that the test is convenient.
The method can select two test systems by controlling the power source through the working server, can switch different working modes, effectively reduces the test steps, and increases the test smoothness and the test automation. The work server carries out data interaction through carrying out with mutual-inductor check gauge, power source and three-phase electric energy meter, gathers all test data in real time and contrast, has increased the automation and the convenience of test.
Drawings
FIG. 1 is a block diagram of the system of the present invention.
Detailed Description
The invention is further described below with reference to the accompanying drawings.
Referring to fig. 1, a detection platform for a primary and secondary integration complete equipment includes a power source, the power source is connected with a working server, a complete set of detection systems and a secondary detection system, a primary transformer calibration and a secondary complete set of detection systems are referred to as complete set of detection systems for short, and a secondary distribution terminal detection system is referred to as a secondary detection system for short;
the power source is provided with a high-power output end and a low-power output end;
the complete detection system comprises a boosting/current booster connected with a high-power output end of a power source, the boosting/current booster is connected with a standard mutual inductor and a high-voltage switch, the standard mutual inductor and the high-voltage switch are both connected with a mutual inductor calibrator, the high-voltage switch is connected with a power distribution terminal to be detected through an aviation cable, and the boosting/current booster can output 20KV/1000A current;
the low-power output end of the power source is connected with a three-phase electric energy meter of the secondary detection system, and the three-phase electric energy meter is connected with a power distribution terminal to be detected;
the three-phase electric energy meter, the power distribution terminal to be tested and the mutual inductor calibrator are all connected with the working server;
the transformer calibrator is used for performing error calibration on the transformer and uploading a test result to the working server;
the three-phase electric energy meter is used for controlling and outputting different pulse signals to the power distribution terminal to be tested;
the power distribution terminal receives a pulse signal sent by the three-phase electric energy meter, realizes the metering inspection of the line loss module and uploads test data to the working server;
the working server is used for controlling the high-power output end and the low-power output end of the power source, performing step-by-step or concurrent testing on the complete detection system and the secondary detection system, acquiring data of the power source, the mutual inductor calibrator, the three-phase electric energy meter and the power distribution terminal to be tested in real time, and analyzing and subsequently processing the data.
The low-power output end of the power source has a normal mode and a low-voltage signal mode, the normal mode is used for simulating secondary side output of the electromagnetic mutual inductor, and the low-voltage signal mode is used for simulating secondary output of the electronic sensor. The low-power output end can carry out remote signaling and remote control testing on the power distribution terminal to be tested.
The standard mutual inductor comprises a voltage mutual inductor and a current mutual inductor, converts a high-voltage signal output by the step-up/current booster into low voltage and low current, and performs calibration on the mutual inductor to be tested by configuring the transformation ratio of the mutual inductor calibrator.
Data are exchanged among the three-phase electric energy meter, the power distribution terminal to be tested, the mutual inductor calibrator and the working server through the Ethernet.
A control method for a detection platform of a primary and secondary fusion complete equipment comprises the following steps:
after the power distribution terminal to be detected is connected with the detection platform, a working server is respectively connected with a power source mutual inductor calibration instrument, a three-phase electric energy meter and the power distribution terminal to be detected to establish and maintain links, and all equipment and the server are ensured to normally communicate;
the working server is connected with the power source, the mutual inductor calibrator, the three-phase electric energy meter and the power distribution terminal to be tested in an Ethernet mode, the communication protocol adopts the private protocol of equipment, 104 protocol and other modes, can be respectively communicated with the equipment and carries out data interaction, and can process and compare the read data to directly generate a test result;
step two, the working server controls the power source to select two test systems according to the required detection, and controls the secondary detection system to output different modes according to the characteristics of the power distribution terminal to be detected;
the working server controls the high-power output end and the low-power output end of the power source according to the test requirements, and performs step-by-step or concurrent test on the complete set of detection system and the secondary detection system; when a secondary detection system is tested, the working server controls a low-power output end of the secondary detection system to switch between a normal mode and a small-signal mode according to the remote measurement acquisition interface characteristic of a power distribution terminal to be tested so as to simulate the secondary output characteristics of the electromagnetic mutual inductor and the electronic sensor;
after receiving the instruction of the working server, the power source analyzes the instruction and sends a control instruction to a set of detection system, and the set of detection system correspondingly connects the power distribution terminals to be tested for testing;
and step four, the working server collects data of the power source, the mutual inductor calibrator, the three-phase electric energy meter and the power distribution terminal to be tested in real time, and analyzes the data to generate a test result.
Claims (8)
1. A control method for a detection platform of a primary and secondary fusion complete equipment is characterized in that the detection platform comprises a power source, wherein the power source is connected with a working server, a complete detection system and a secondary detection system;
the power source is provided with a high-power output end and a low-power output end;
the complete detection system comprises a boosting/current rising device connected with a high-power output end of a power source, the boosting/current rising device is connected with a standard mutual inductor and a high-voltage switch, the standard mutual inductor and the high-voltage switch are both connected with a mutual inductor calibrator, and the high-voltage switch is connected with a power distribution terminal to be detected;
the low-power output end of the power source is connected with a three-phase electric energy meter of the secondary detection system, and the three-phase electric energy meter is connected with a power distribution terminal to be detected;
the three-phase electric energy meter, the power distribution terminal to be tested and the mutual inductor calibrator are all connected with the working server;
the standard transformer is used for converting a high-voltage signal output by the boosting/current booster into low voltage and low current;
the transformer calibrator is used for performing error calibration on a standard transformer and uploading a test result to the working server;
the three-phase electric energy meter is used for controlling and outputting different pulse signals to the power distribution terminal to be tested;
the power distribution terminal receives a pulse signal sent by the three-phase electric energy meter, realizes the metering inspection of the line loss module and uploads test data to the working server;
the working server is used for controlling the high-power output end and the low-power output end of the power source, performing step-by-step or concurrent testing on the complete detection system and the secondary detection system, acquiring data of the power source, the mutual inductor calibrator, the three-phase electric energy meter and the power distribution terminal to be tested in real time, and analyzing and subsequently processing the data;
the control method comprises the following steps:
the method comprises the following steps that firstly, a working server controls a power source to select two testing systems according to required detection, and controls a secondary detection system to output different modes according to the characteristics of a power distribution terminal to be detected;
after receiving the instruction of the working server, the power source analyzes the instruction and sends a control instruction to a set of detection system, and the set of detection system correspondingly connects the power distribution terminals to be tested for testing;
and step three, the working server collects data of the power source, the mutual inductor calibrator, the three-phase electric energy meter and the power distribution terminal to be tested in real time, and analyzes the data to generate a test result.
2. The method as claimed in claim 1, wherein the low power output terminal of the power source has a normal mode for simulating secondary output of the electromagnetic transformer and a low voltage signal mode for simulating secondary output of the electronic sensor.
3. The method as claimed in claim 1, wherein the low power output terminal has an input/output interface for remote signaling and remote testing of the connected power distribution terminal to be tested.
4. The control method for the detection platform of the primary and secondary fusion complete equipment as claimed in claim 1, wherein data are exchanged between the three-phase electric energy meter, the distribution terminal to be detected, the transformer calibrator and the work server through Ethernet.
5. The method as claimed in claim 1, wherein the step-up/step-up converter is capable of outputting 20KV/1000A current.
6. The method as claimed in claim 1, wherein the high voltage switch is connected to the distribution terminal via an air cable.
7. The control method for the detection platform of the primary and secondary fusion complete equipment according to claim 1, wherein the standard transformers comprise voltage transformers and current transformers.
8. The control method for the detection platform of the primary and secondary fusion complete equipment according to claim 1, characterized in that the working server performs step-by-step or concurrent tests of the complete detection system and the secondary detection system according to the high-power output end and the low-power output end of the control power source required by the test; when the secondary detection system is tested, the working server controls the low-power output end of the secondary detection system to switch between a normal mode and a small-signal mode according to the remote measurement acquisition interface characteristic of the power distribution terminal to be tested so as to simulate the secondary output characteristics of the electromagnetic mutual inductor and the electronic sensor.
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| CN111044831B (en) * | 2019-12-31 | 2022-07-05 | 珠海博威智能电网有限公司 | Detection system based on primary and secondary fusion power distribution equipment |
| CN111398802A (en) * | 2020-03-31 | 2020-07-10 | 南瑞智能配电技术有限公司 | Primary and secondary equipment fusion 10kV power distribution switch accuracy detection system and detection method |
| CN111929483B (en) * | 2020-08-07 | 2023-12-12 | 贵州电网有限责任公司 | Secondary fusion equipment testing system and testing method thereof |
| CN112379252B (en) * | 2020-11-03 | 2021-07-06 | 南方电网数字电网研究院有限公司 | Primary and secondary fusion pole switch test system |
| CN113589043A (en) * | 2021-07-27 | 2021-11-02 | 国网江苏省电力有限公司电力科学研究院 | Primary-secondary fusion and deep fusion power distribution equipment detection system and method |
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Effective date of registration: 20220713 Address after: 710000 room 10660, unit 1, building 3, yicuiyuan I metropolis, No. 11, Tangyan South Road, Zhangba Street office, high tech Zone, Xi'an, Shaanxi Province Patentee after: Xi'an HENGWEI Electric Technology Co.,Ltd. Address before: Building 11, Vanke oriental legend community, No. 555, huangqutou Third Road, Qujiang New District, Xi'an City, Shaanxi Province, 710000 Patentee before: Li Yong |