CN203191816U - Test system for automatic control equipment of power distribution network - Google Patents

Test system for automatic control equipment of power distribution network Download PDF

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Publication number
CN203191816U
CN203191816U CN 201320142409 CN201320142409U CN203191816U CN 203191816 U CN203191816 U CN 203191816U CN 201320142409 CN201320142409 CN 201320142409 CN 201320142409 U CN201320142409 U CN 201320142409U CN 203191816 U CN203191816 U CN 203191816U
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CN
China
Prior art keywords
test
distribution network
power distribution
automatic control
control equipment
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Expired - Lifetime
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CN 201320142409
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Chinese (zh)
Inventor
陈艳霞
吕立平
吴卓
向前
梁志琴
袁浩
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BEIJING PONOVO POWER Co Ltd
State Grid Corp of China SGCC
Beijing Electric Power Corp
Original Assignee
BEIJING PONOVO POWER Co Ltd
State Grid Corp of China SGCC
Beijing Electric Power Corp
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Application filed by BEIJING PONOVO POWER Co Ltd, State Grid Corp of China SGCC, Beijing Electric Power Corp filed Critical BEIJING PONOVO POWER Co Ltd
Priority to CN 201320142409 priority Critical patent/CN203191816U/en
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Publication of CN203191816U publication Critical patent/CN203191816U/en
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Abstract

The utility model provides a test system for automatic control equipment of a power distribution network. The test system for automatic control equipment of power distribution network comprises an interface for equipment to be tested for connecting the automatic control equipment of the power distribution network to be tested; a test signal generation apparatus connected to the interface for equipment to be tested and for providing test signals to the automatic control equipment of the power distribution network to be measured according to a preset test sequence; and a control signal verification apparatus respectively connected to the interface for equipment to be tested and the test signal generation apparatus, and for receiving and responding to the control signals emitted by the automatic control equipment of the power distribution network to be measured. According to the technical scheme provided by the utility model, the test signal generation apparatus sends test signals to the automatic control equipment of the power distribution network, so as to satisfy requirements of comprehensive test on each function of the automatic control equipment of the power distribution network. Therefore, the test system can carry out improved function tests before installation, avoid a lot of test wiring, installation dismounting and raising working reliability of the automatic control equipment of the power distribution network.

Description

The test macro of power distribution network automatic control equipment
Technical field
The utility model relates to field of electrical equipment, in particular to a kind of test macro of power distribution network automatic control equipment.
Background technology
The operation robotization of low and medium voltage distribution network is distribution automation, can improve power supply quality and production management efficiency effectively.Present domestic distribution automation system also reaches a certain scale.
Distribution automation system is made up of main website, communication network, power distribution network automatic control equipment three parts.Wherein, the power distribution network automatic control equipment, be used for supervision and the control of block switch, ring main unit, substation transformer, circuit pressure regulator, reactive-load compensation capacitor on the switching station, automatic circuit, post of medium voltage distribution network, with the distribution automation master station communication, the data that provide power distribution network operation control and administrative institute to need are carried out the steering order that main website provides.The power distribution network automatic control equipment is the basic composition unit of distribution automation system, and can its performance and reliability directly have influence on total system and play a role effectively.
Above-mentioned power distribution network automatic control equipment comprises controller and the DTU(distribution substation monitor terminal of equipment such as demarcation load switch, automatic circuit, Distribution Terminal Unit), TTU(distribution transformer monitoring terminal, Transformer Terminal Unit), FTU(line switching monitor terminal, Feeder Terminal Unit) etc. power distribution automation equipment.These equipment are used for control, protection power distribution network primary equipment, play a key effect for guaranteeing the reliable and stable operation of low and medium voltage distribution network.
Yet owing in the prior art these equipment are not also had perfect on-the-spot test means, equipment is behind the arrival user side of dispatching from the factory, and the user side can only directly install under the situation without the check of full functionality performance.Carry out belt switch transmission test on the spot after the installation at the scene, if transmission is unsuccessful or the discovering device quality has problem, again the equipment dismounting is changed.Such test mode exists the problem that workload is big, test event is incomplete, if need the dismounting back to change just in case go wrong, has had a strong impact on construction progress, has increased the construction working amount greatly.
At in the correlation technique power distribution network automatic control equipment shortage being improved the big problem of workload that the on-the-spot test means cause, effective solution is not proposed as yet at present.
The utility model content
The utility model aims to provide a kind of test macro of power distribution network automatic control equipment, to solve in the prior art power distribution network automatic control equipment is lacked the big problem of workload that the on-the-spot test means cause of improving.
To achieve these goals, according to an aspect of the present utility model, provide a kind of test macro of power distribution network automatic control equipment.The test macro of this power distribution network automatic control equipment comprises: the Devices to test interface is used for connecting power distribution network automatic control equipment to be measured; The test signal generating apparatus is connected with the Devices to test interface, and being used for provides test signal according to default cycle tests to power distribution network automatic control equipment to be measured; The control signal demo plant is connected respectively with the test signal generating apparatus with the Devices to test interface, is used for receiving and responding the control signal that power distribution network automatic control equipment to be measured sends.
Further, the test signal generating apparatus comprises relay-protection tester, and this relay-protection tester is used for according to default cycle tests output voltage test signal and current test signal.
Further, the test signal generating apparatus comprises: first voltage signal generator is used for analog electrical source voltage; Second voltage signal generator is used for simulation load side voltage.
Further, the test macro of the power distribution network automatic control equipment that the utility model provides also comprises: time set, be connected with the control signal demo plant with the test signal generating apparatus respectively, be used for the time that record provides the time of test signal and sends control signal.
Further, the control signal demo plant comprises mimic-disconnecting switch, and this mimic-disconnecting switch is used for changing on off state and verifying the correctness of this control signal according to control signal.
Further, mimic-disconnecting switch comprises: ac power supply circuit, this ac power supply circuit are used for providing alternating voltage by the Devices to test interface to the power distribution network automatic control equipment; Control electric power loop, this control electric power loop are used for receiving the divide-shut brake control power supply that the power distribution network automatic control equipment provides.
Further, mimic-disconnecting switch comprises trip(ping) circuit, and this trip(ping) circuit is connected with the test signal generating apparatus, is used for tripping according to control signal, and is differentiated the correctness of tripping operation by the test signal generating apparatus.
Further, mimic-disconnecting switch comprises the remote control closing circuit, and this remote control closing circuit is used for carrying out closing operation according to the breaker tripping and closing remote signal that the power distribution network automatic control equipment provides.
Further, mimic-disconnecting switch comprises the energy storage signal circuit and closes a signal circuit that the energy storage signal circuit is used for providing the energy storage signal to the power distribution network automatic control equipment, closes a signal circuit and is used for providing isolating switch to close a signal to the power distribution network automatic control equipment.
Further, the control signal demo plant comprises the remote signalling test loop, and this remote signalling test loop is used for providing remote signals to the power distribution network automatic control equipment.
Use the technical solution of the utility model, utilize the test macro of the power distribution network automatic control equipment of present embodiment, after power distribution network automatic control equipment to be measured puts in place, be connected with the Devices to test interface, the test signal generating apparatus sends test massage to the power distribution network automatic control equipment, this test signal generates and sends according to default cycle tests, can satisfy the requirement of comprehensively every function of power distribution network automatic control equipment being tested, the control signal of power distribution network automatic control equipment be responded to judge the correctness of this control signal by the control signal demo plant.Thereby before installing, carry out the perfect functions test, avoided a large amount of test wiring and the work of installing/dismounting, improved the functional reliability of power distribution network automatic control equipment.
Description of drawings
The Figure of description that constitutes the application's a part is used to provide further understanding of the present utility model, and illustrative examples of the present utility model and explanation thereof are used for explaining the utility model, do not constitute improper restriction of the present utility model.In the accompanying drawings:
Fig. 1 is the synoptic diagram according to the test macro of the power distribution network automatic control equipment of the utility model embodiment;
Fig. 2 is the wiring schematic diagram that specifically is used for test demarcation load switch controller according to the test macro of the power distribution network automatic control equipment of the utility model embodiment;
Fig. 3 A is the electric power loop synoptic diagram of mimic-disconnecting switch when specifically being used for test demarcation load switch controller according to the test macro of the power distribution network automatic control equipment of the utility model embodiment;
Fig. 3 B is each control loop synoptic diagram of mimic-disconnecting switch when specifically being used for test demarcation load switch controller according to the test macro of the power distribution network automatic control equipment of the utility model embodiment;
Fig. 4 is the loop synoptic diagram of control signal authentication device when specifically being used for test segmentation automatic circuit controller according to the test macro of the utility model embodiment power distribution network automatic control equipment;
Fig. 5 is the loop synoptic diagram of control signal authentication device when specifically being used for test remote signalling function according to the test macro of the utility model embodiment power distribution network automatic control equipment.
Embodiment
Need to prove that under the situation of not conflicting, embodiment and the feature among the embodiment among the application can make up mutually.Describe the utility model below with reference to the accompanying drawings and in conjunction with the embodiments in detail.
The utility model embodiment provides a kind of test macro of power distribution network automatic control equipment, Fig. 1 is the synoptic diagram according to the test macro of the power distribution network automatic control equipment of the utility model embodiment, as shown in Figure 1, the test macro of this power distribution network automatic control equipment comprises: Devices to test interface 12 is used for connecting power distribution network automatic control equipment 21 to be measured; Test signal generating apparatus 11 is connected with Devices to test interface 12, and being used for provides test signal according to default cycle tests to power distribution network automatic control equipment 21 to be measured; Control signal demo plant 13 is connected respectively with test signal generating apparatus 11 with Devices to test interface 12, be used for to receive the control signal that power distribution network automatic control equipment 21 to be measured sends and the correctness of verifying this control signal.
Utilize the test macro of the power distribution network automatic control equipment of present embodiment, after power distribution network automatic control equipment to be measured 21 is ready, be connected with Devices to test interface 12, test signal generating apparatus 11 sends test massage to power distribution network automatic control equipment 21, this test signal generates and sends according to default cycle tests, can satisfy the requirement of comprehensively every function of power distribution network automatic control equipment 21 being tested, be responded to judge the correctness of this control signal by the control signal of 13 pairs of power distribution network automatic control equipments 21 of control signal demo plant.Thereby before installing, carry out the perfect functions test, avoided a large amount of test wiring and the work of installing/dismounting, improved the functional reliability of power distribution network automatic control equipment 21.
Control signal demo plant 13 is connected with test signal generating apparatus 11, folding lock control signal can be sent to test signal generating apparatus 11, make test signal generating apparatus 11 beginning or stop to export test signal, with the combined floodgate in the simulated field with open a sluice gate operation.
Above-mentioned default cycle tests, can in advance test signal generating apparatus 11 be configured according to the kind of power distribution network automatic control equipment 21, according to the demarcation load switch controller, the controller of segmentation automatic circuit, voltage-type RTU, current mode RTU, DTU, the function of distinct devices such as FTU arranges, when for example the demarcation load switch controller being tested, voltage and current when the distribution line fault takes place 11 simulations of test signal generating apparatus, when the demarcation load switch controller sends corresponding control signal according to above-mentioned voltage and current, control signal demo plant 13 these control signals of response, make the action of simulation tripping operation or memory fault, whether correct to steering logic and the control accuracy of above electric current and voltage with checking demarcation load switch controller.Again for example, when testing for the controller of segmentation automatic circuit, test signal generating apparatus 11 simulates the two-way voltage signal, the voltage of difference analog electrical source and load side, by the amplitude that changes the two-way voltage signal segmentation automatic circuit controller is tested, control signal demo plant 13 carries out the breaker tripping and closing operation according to the control signal of segmentation automatic circuit controller, begin or stop to export test signal by test signal generating apparatus 11, with the steering logic correctness of checking segmentation automatic circuit controller.Again for example, for the RTU that has the remote signalling function or DTU, can be to its input switch amount, thus judge whether the remote signalling function is normal.
Above-mentioned default cycle tests can also carry out the sequencing configuration mode and carry out, and by the test signal generating apparatus being sent the test instruction sequence of sequencing, the test signal generating apparatus sends corresponding electric current and voltage cycle tests according to this test instruction sequence.This mode is more flexible, can be according to actual test case change testing scheme.
When test had the power distribution network automatic control equipment 21 of electric current and voltage sampling, test signal generating apparatus 11 can comprise relay-protection tester, and this relay-protection tester is used for according to default cycle tests output voltage test signal and current test signal.Thereby utilize relay-protection tester can accurately export the voltage and current signal of predetermined amplitude phase place, and can realize the sudden change output of test signal, thereby can satisfy the test request of electric current and voltage test signal.For example during telemetry function, can change electric current and voltage assignment and phase place in test, whether test telemetry function with the consistance of the input value of relay-protection tester by checking remote measurement value.
Above-mentioned default cycle tests can arrange by the host computer that communicates with test signal generating apparatus 11, thereby can in time adjust this cycle tests to satisfy test request according to content measurement and testing apparatus.Above-mentioned default cycle tests also is kept in the test signal generating apparatus 11 in advance according to testing scheme, this mode relative fixed, but more simple and efficient when the ripe relatively equipment of testing scheme is carried out routine test.
Under the voltage condition of needs difference analog electrical source and load side, test signal generating apparatus 11 can comprise the two-way voltage signal generator, i.e. first voltage signal generator and second voltage signal generator, wherein first voltage signal generator is used for analog electrical source voltage, second voltage signal generator is used for simulation load side voltage, so that the controller of segmentation automatic circuit is tested.
When test comprises the power distribution network automatic control equipment 21 of delay tripping function, the test macro of the power distribution network automatic control equipment of present embodiment can also comprise: time set, be connected with control signal demo plant 13 with test signal generating apparatus 11 respectively, be used for the time that record provides the time of test signal and sends control signal.Thereby by the rise time and the interval of sending the time of control signal of test signal, test delay function.This time set can also meet the requirement of default cycle tests as the timing benchmark of cycle tests with the output signal that guarantees test signal generating apparatus 11 in addition.
Power distribution network automatic control equipment 21 for this class function complexity of demarcation load switch controller, the checking loop that control signal demo plant 13 is can be according to concrete function setting different, a mimic-disconnecting switch for example is set, and this mimic-disconnecting switch is used for changing on off state to verify the correctness of this control signal according to control signal.This mimic-disconnecting switch can comprise one or more of following test loop: ac power supply circuit, control electric power loop, remote control closing circuit, energy storage signal circuit, close a signal circuit, wherein, ac power supply circuit is used for providing alternating voltage by Devices to test interface 12 to power distribution network automatic control equipment 21; The control electric power loop is used for receiving the divide-shut brake control power supply that power distribution network automatic control equipment 21 provides; The remote control closing circuit is used for carrying out closing operation according to the breaker tripping and closing remote signal that power distribution network automatic control equipment 21 provides; The energy storage signal circuit is used for providing the energy storage signal to power distribution network automatic control equipment 21, closes a signal circuit and is used for providing isolating switch to close a signal to power distribution network automatic control equipment 21.
Fig. 2 is the wiring schematic diagram that specifically is used for test demarcation load switch controller according to the test macro of the power distribution network automatic control equipment of the utility model embodiment; relay-protection tester is as the part of test signal generating apparatus 11; provide three-phase current signal Ia by 5 core plug TA to the Devices to test interface; Ib; Ic and neutral current In; the loop signal of voltage signal and mimic-disconnecting switch is connected with the Devices to test interface by 6 core plug LS; this 6 core plug comprises: the input of AC220V supply voltage; the output of DC48V separating brake voltage; close a signal and energy storage signal; thereby mimic-disconnecting switch can offer controller 220V alternating voltage to be measured by Devices to test interface 13; carry out the action of switch separating brake by the 48V DC voltage of controller to be measured output, and offer controller and close a signal and energy storage signal.For satisfying the test of remote control combined floodgate and separating brake function, mimic-disconnecting switch can also arrange remote control combined floodgate input circuit.And often opening might appear in the energy storage signal or normally closed two kinds of situations in order to satisfy, and provides simultaneously and has often opened and normally closed two paths of signals loop.In the defencive function test, comprise the test of time delays, therefore can also draw combined floodgate contact and tripping operation contact, insert tester and open into testing tripping operation or the time-delay of closing a floodgate.Trip signal is that relay-protection tester is connected with test signal generating apparatus 11, thereby when tripping operation, stops to export test voltage signal and test current signals by relay-protection tester, with the simulated field situation.
The electric power loop synoptic diagram of mimic-disconnecting switch when the test macro that Fig. 3 A shows the power distribution network automatic control equipment of the utility model embodiment specifically is used for test demarcation load switch controller, each control loop synoptic diagram of mimic-disconnecting switch when test macro that Fig. 3 B shows the power distribution network automatic control equipment of the utility model embodiment specifically is used for test demarcation load switch controller, in above figure, D2-1 is the switching signal contact, D2-2 is the sub-gate signal contact, D2-3 is the divide-shut brake power supply contact, D2-4 is for closing a signal contact, D2-5 is for often opening the energy storage signal contact, D2-6 is normally closed energy storage signal contact, D2-7 is the first combined floodgate contact, D2-8 is the second combined floodgate contact, D2-9 is the first separating brake contact, and D2-10 is the second separating brake contact.HJ1 and HJ2 are the combined floodgate pilot relay, and FZ1 and FZ2 are the separating brake pilot relay, and HZ1 is for closing a signal relay, and CN1 is the energy storage relay, and FZ1 is the separating brake relay.
Fig. 4 is the loop synoptic diagram of the test macro of the utility model embodiment power distribution network automatic control equipment control signal authentication device when specifically being used for test segmentation automatic circuit controller, in the drawings, D3-5 is the first voltage contact, D3-6 is the second voltage contact, and D3-7 is the first switching signal contact, and D3-8 is the second switching signal contact, D3-9 is the first combined floodgate contact, D3-10 is the second combined floodgate contact, and HZ2 is closing relay, and HD2 is the combined floodgate indicator.
Fig. 5 is the loop synoptic diagram of the test macro of the utility model embodiment power distribution network automatic control equipment control signal authentication device when specifically being used for test remote signalling function, in the drawings, the control signal demo plant comprises the remote signalling test loop, this remote signalling test loop is used for providing remote signals to the power distribution network automatic control equipment, wherein, K0, K1, K2, K3, K4+, K4-are the switching value test signal, contact by D4-1, D4-2, D4-3, D4-4, D4-5 sends to the equipment with remote signalling function to be measured, and whether checking is correct to the response of remote signals.
Utilize the test macro of the power distribution network automatic control equipment of above embodiment, after power distribution network automatic control equipment to be measured puts in place, be connected with the Devices to test interface, function according to Devices to test is formulated testing process and test signal test sequence, the test signal generating apparatus sends test massage to the power distribution network automatic control equipment, this test signal generates and sends according to default cycle tests, can satisfy the requirement of comprehensively every function of power distribution network automatic control equipment being tested, the control signal of power distribution network automatic control equipment be responded to judge the correctness of this control signal by the control signal demo plant.Thereby before installing, carry out the perfect functions test, avoided a large amount of test wiring and the work of installing/dismounting, improved the functional reliability of power distribution network automatic control equipment.
Obviously, it is apparent to those skilled in the art that above-mentioned each device of the present utility model is the hardware device that has a fixed structure and occupy certain space, its function that has realizes by hardware circuit.
The above is preferred embodiment of the present utility model only, is not limited to the utility model, and for a person skilled in the art, the utility model can have various changes and variation.All within spirit of the present utility model and principle, any modification of doing, be equal to replacement, improvement etc., all should be included within the protection domain of the present utility model.

Claims (10)

1. the test macro of a power distribution network automatic control equipment is characterized in that, comprising:
The Devices to test interface is used for connecting power distribution network automatic control equipment to be measured;
The test signal generating apparatus is connected with described Devices to test interface, and being used for provides test signal according to default cycle tests to described power distribution network automatic control equipment to be measured;
The control signal demo plant is connected respectively with described test signal generating apparatus with described Devices to test interface, is used for receiving and responding the control signal that described power distribution network automatic control equipment to be measured sends.
2. the test macro of power distribution network automatic control equipment according to claim 1; it is characterized in that; described test signal generating apparatus comprises relay-protection tester, and this relay-protection tester is used for according to described default cycle tests output voltage test signal and current test signal.
3. the test macro of power distribution network automatic control equipment according to claim 1 is characterized in that, described test signal generating apparatus comprises:
First voltage signal generator is used for analog electrical source voltage;
Second voltage signal generator is used for simulation load side voltage.
4. the test macro of power distribution network automatic control equipment according to claim 1 is characterized in that, also comprises:
Time set is connected with described control signal demo plant with described test signal generating apparatus respectively, is used for the time that record provides the time of described test signal and sends described control signal.
5. the test macro of power distribution network automatic control equipment according to claim 1, it is characterized in that, described control signal demo plant comprises mimic-disconnecting switch, and this mimic-disconnecting switch is used for changing on off state and verifying the correctness of this control signal according to described control signal.
6. the test macro of power distribution network automatic control equipment according to claim 5 is characterized in that, described mimic-disconnecting switch comprises:
Ac power supply circuit, this ac power supply circuit are used for providing alternating voltage by the Devices to test interface to described power distribution network automatic control equipment;
Control electric power loop, this control electric power loop are used for receiving the divide-shut brake control power supply that described power distribution network automatic control equipment provides.
7. the test macro of power distribution network automatic control equipment according to claim 5, it is characterized in that, described mimic-disconnecting switch comprises trip(ping) circuit, this trip(ping) circuit is connected with described test signal generating apparatus, be used for tripping according to described control signal, and differentiated the correctness of described tripping operation by described test signal generating apparatus.
8. the test macro of power distribution network automatic control equipment according to claim 5, it is characterized in that, described mimic-disconnecting switch comprises the remote control closing circuit, and this remote control closing circuit is used for carrying out closing operation according to the breaker tripping and closing remote signal that described power distribution network automatic control equipment provides.
9. the test macro of power distribution network automatic control equipment according to claim 5, it is characterized in that, described mimic-disconnecting switch comprises the energy storage signal circuit and closes a signal circuit, described energy storage signal circuit is used for providing the energy storage signal to described power distribution network automatic control equipment, and a described signal circuit that closes is used for providing isolating switch to close a signal to described power distribution network automatic control equipment.
10. the test macro of power distribution network automatic control equipment according to claim 1 is characterized in that, described control signal demo plant comprises the remote signalling test loop, and this remote signalling test loop is used for providing remote signals to described power distribution network automatic control equipment.
CN 201320142409 2013-03-26 2013-03-26 Test system for automatic control equipment of power distribution network Expired - Lifetime CN203191816U (en)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103955200A (en) * 2014-03-11 2014-07-30 广东电网公司佛山供电局 Movable mould test method for self-healing control function of power distribution network
CN104076805A (en) * 2013-03-26 2014-10-01 国家电网公司 Test system for automatic control equipment of power distribution network
CN104331060A (en) * 2014-08-01 2015-02-04 平高集团有限公司 Circuit breaker phase selection controller phase selection switch-on and switch-off precision test system and method
CN105929287A (en) * 2016-07-01 2016-09-07 国网浙江省电力公司杭州供电公司 DTU test simulator and DTU test system
CN111025135A (en) * 2019-11-11 2020-04-17 武汉理工大学 Cloud platform-based test method for on-site FTU coordination control capability

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104076805A (en) * 2013-03-26 2014-10-01 国家电网公司 Test system for automatic control equipment of power distribution network
CN103955200A (en) * 2014-03-11 2014-07-30 广东电网公司佛山供电局 Movable mould test method for self-healing control function of power distribution network
CN104331060A (en) * 2014-08-01 2015-02-04 平高集团有限公司 Circuit breaker phase selection controller phase selection switch-on and switch-off precision test system and method
CN104331060B (en) * 2014-08-01 2017-07-07 平高集团有限公司 A kind of phase-controlled device option principle method for testing precision of breaker
CN105929287A (en) * 2016-07-01 2016-09-07 国网浙江省电力公司杭州供电公司 DTU test simulator and DTU test system
CN111025135A (en) * 2019-11-11 2020-04-17 武汉理工大学 Cloud platform-based test method for on-site FTU coordination control capability
CN111025135B (en) * 2019-11-11 2020-12-01 武汉理工大学 Cloud platform-based test method for on-site FTU coordination control capability

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Granted publication date: 20130911