CN104569802A - Intelligent substation debugging system and primary isolating switch analog equipment - Google Patents

Intelligent substation debugging system and primary isolating switch analog equipment Download PDF

Info

Publication number
CN104569802A
CN104569802A CN201510023866.9A CN201510023866A CN104569802A CN 104569802 A CN104569802 A CN 104569802A CN 201510023866 A CN201510023866 A CN 201510023866A CN 104569802 A CN104569802 A CN 104569802A
Authority
CN
China
Prior art keywords
disconnector
contact
coil
analog machine
electric wire
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201510023866.9A
Other languages
Chinese (zh)
Other versions
CN104569802B (en
Inventor
严江波
丁健
黄云兵
朱增光
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
NINGBO TRANSMISSION & DISTRIBUTION CONSTRUCTION Co Ltd
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Original Assignee
State Grid Corp of China SGCC
State Grid Zhejiang Electric Power Co Ltd
Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by State Grid Corp of China SGCC, State Grid Zhejiang Electric Power Co Ltd, Ningbo Power Supply Co of State Grid Zhejiang Electric Power Co Ltd filed Critical State Grid Corp of China SGCC
Priority to CN201510023866.9A priority Critical patent/CN104569802B/en
Publication of CN104569802A publication Critical patent/CN104569802A/en
Application granted granted Critical
Publication of CN104569802B publication Critical patent/CN104569802B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Landscapes

  • Testing Electric Properties And Detecting Electric Faults (AREA)
  • Keying Circuit Devices (AREA)

Abstract

The invention discloses an intelligent substation debugging system and primary isolating switch analog equipment. The primary isolating switch analog equipment comprises a first wire connected with a positive power source, a second wire connected with a negative power source and a double-position relay. The double-position relay comprises a first coil used for movement, a second coil used for reset, a first input end, a second input end and multiple groups of contact test ends, wherein the first input end and the second input end are used for being connected with the negative power source. The first coil is connected with the first wire through a switching-off trigger button. The second coil is connected with the first wire through a switching-on trigger button. The first input end and the second input end are connected with the second wire. One group of contact test ends comprise the normally-closed contact and the normally-open contact. The on-state of the normally-closed contact and the on-state of the normally-open contact are opposite. Cost and occupied space are greatly reduced.

Description

A kind of intelligent substation debug system and a disconnector analog machine
Technical field
The present invention relates to intelligent substation technical field, in particular, relate to a kind of intelligent substation debug system and a disconnector analog machine.
Background technology
Intelligent substation is as one of the basic link of intelligent grid, and being the hinge of intelligent grid energy transferring, is the main source of modern power network operation information, and being the place of execution that electrical network intellectualized operation controls, is the basis and the key that sputter strong intelligent grid.Intelligent substation has the unified data model in full station and communications platform, all realizes digital communication, and realize the interoperability between intelligent apparatus in transformer station between primary equipment and secondary device on this platform base.
The primary equipment of intelligent substation and secondary device all need to test after assembling, test performance during different contact state.When prior art carries out performance test to disconnector, as needs are tested after disconnector is installed, need by mimic-disconnecting switch or analog isolation switch instrument and equipment.But this instrument and equipment is used for the test of intelligent substation disconnector, and cost is higher, several ten thousand yuan at least, at most unit up to a million, and it is comparatively large to take up space, be not suitable for the work of intelligent substation intelligence secondary device integration testing, especially the utilization of Premium Features and enforcement.Therefore, in current intelligent substation debugging field, disconnector analog machine during a kind of disconnector integration testing for primary equipment is provided to be a problem urgently to be resolved hurrily.
Summary of the invention
For solving the problem, the invention provides a kind of intelligent substation and a disconnector analog machine thereof, the on off state that a described disconnector analog machine can be used for the disconnector of intelligent substation controls, and cost is low, takes up space little.
For achieving the above object, the invention provides an a kind of disconnector analog machine of intelligent substation, have multiple disconnector during described intelligent substation integration testing, this disconnector analog machine comprises:
Connect the first electric wire of positive supply;
Connect the second electric wire of negative supply;
Two-position relay, described two-position relay comprises: the first coil for action and the second coil for involution, described first coil and described second coil and the mutual locking of the second coil; For connecting first input end and second input end of negative supply; Many groups contact test lead;
Described first coil is connected with described first electric wire by separating brake trigger button; Described second coil is connected with described first electric wire by combined floodgate trigger button;
Described first input end is connected with described second electric wire; Described second input end is connected with described second electric wire;
Wherein, one group of contact test lead comprises: normally closed contact and normally opened contact; The conducting state of described normally closed contact is contrary with the conducting state of described normally opened contact.
Preferably, in an above-mentioned disconnector analog machine, also comprise: pilot lamp group; Described pilot lamp group comprises: separating brake green indicating lamp and combined floodgate red led;
The electrode input end of described separating brake green indicating lamp is all connected described first electric wire with the electrode input end of described combined floodgate red led;
The negative input of described separating brake green indicating lamp is connected same group of contact test lead with the negative input of described combined floodgate red led; And the negative input of described separating brake green indicating lamp is connected normally closed contact with in the negative input of described combined floodgate red led, be used to indicate the conducting state of described normally closed contact, another connects normally opened contact, is used to indicate the conducting state of described normally opened contact.
Preferably, in an above-mentioned disconnector analog machine, the equal correspondence of each group contact test lead arranges pilot lamp group described in.
Preferably, in an above-mentioned disconnector analog machine, described positive supply is connected with described first electric wire by positive supply air switch.
Preferably, in an above-mentioned disconnector analog machine, described negative supply is connected with described second electric wire by negative supply air switch.
Preferably, in an above-mentioned disconnector analog machine, in same group of contact test lead, described normally closed contact and normally opened contact connect same disconnector, for the performance test of the different conducting state of this power station equipment;
Or, described normally closed contact connects the first disconnector, described normally opened contact connects the second disconnector, for testing described first disconnector in the performance test of described second disconnector when conducting state is contrary, wherein, described first disconnector in described second disconnector be different disconnectores.
Preferably, in an above-mentioned disconnector analog machine, described positive supply is for exporting direct current+110V voltage, and described negative supply is for exporting direct current-110V voltage.
Preferably, in an above-mentioned disconnector analog machine, described positive supply is for exporting direct current+55V voltage, and described negative supply is for exporting direct current-55V voltage.
Present invention also offers a kind of intelligent substation debug system, this intelligent substation debug system comprises a disconnector analog machine described in above-mentioned any one.
Known by foregoing description, a disconnector analog machine described in technical solution of the present invention comprises: the first electric wire connecting positive supply; Connect the second electric wire of negative supply; Two-position relay, described two-position relay comprises: the first coil for action and the second coil for involution, described first coil and described second coil and the mutual locking of the second coil; For connecting first input end and second input end of negative supply; Many groups contact test lead; Described first coil is connected with described first electric wire by separating brake trigger button; Described second coil is connected with described first electric wire by combined floodgate trigger button; Described first input end is connected with described second electric wire; Described second input end is connected with described second electric wire; Wherein, one group of contact test lead comprises: normally closed contact and normally opened contact; The conducting state of described normally closed contact is contrary with the conducting state of described normally opened contact.Utilize two-position relay systematically to realize to disconnector in different performance tests, compared to employing analog switch or mimic-disconnecting switch instrument and equipment, greatly reduce cost and take up room.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only embodiments of the invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to the accompanying drawing provided.
Fig. 1 is the structural representation of an a kind of disconnector analog machine provided by the invention;
Fig. 2 is the structural representation of a kind of intelligent substation debug system provided by the invention.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, be clearly and completely described the technical scheme in the embodiment of the present invention, obviously, described embodiment is only the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
The structural representation of a disconnector analog machine of a kind of intelligent substation provided for the embodiment of the present application with reference to figure 1, Fig. 1, described intelligent substation has multiple disconnector.This disconnector analog machine comprises:
Connect the first electric wire L1 of positive supply P;
Connect the second electric wire L2 of negative supply N;
Two-position relay KJJ, described two-position relay KJJ comprises: the first coil for action and the second coil for involution, described first coil and described second coil and the mutual locking of the second coil, form the blocking coil that can only be in a state in action and involution; For connecting first input end A and the second input end B of negative supply N; Many groups contact test lead;
The first coil RST (separating brake effect) for action is connected positive supply P by separating brake trigger button T1 with described first electric wire L1; The second coil TRJP (combined floodgate effect) for involution is connected positive supply P by combined floodgate trigger button T2 with described first electric wire L1; T1, T2 can be the electric remote control orders that trigger of other intelligent secondary devices of intelligent substation and automatically-monitored equipment and perform contact;
Described first input end A is connected with described second electric wire L2; Described second input end B is connected with described second electric wire L2;
Wherein, one group of contact test lead comprises: normally closed contact and normally opened contact; The conducting state of described normally closed contact is contrary with the conducting state of described normally opened contact.
The KJJ of two-position relay described in Fig. 1 has 1J, 2J, 3J and 4J totally four blocking coils, and each blocking coil all has actuation coil and the resetting coil of mutual locking.A blocking coil has one group of contact test lead, and one group of contact test lead has a secondary normally closed contact and a secondary normally opened contact.Have 4 groups of contact test leads in Fig. 1,4 groups of contact test leads comprise: first group of contact test lead, and blocking coil 1J has normally closed contact 1J-1 and normally opened contact 1J-2; Second group of contact test lead, blocking coil 2J, has normally closed contact 2J-1 and normally opened contact 2J-2; 3rd group of contact test lead, blocking coil 3J, has normally closed contact 3J-1 and normally opened contact 3J-2; 4th group of contact test lead, blocking coil 4J, has normally closed contact 4J-1 and normally opened contact 4J-2.
According to the work characteristics of two-position relay, when separating brake trigger button T1 closes, the normally closed contact of each group can close, and corresponding normally opened contact can disconnect; When combined floodgate trigger button T2 closes, the normally closed contact of each group can disconnect, and corresponding normally opened contact can close.By the actual act situation of two-position relay analog isolation switch, visual result understands, cost is low, takes up room little.
A described disconnector analog machine utilizes the characteristic that the conducting state of the normally closed contact of two-position relay same group of contact test lead is contrary with the conducting state of normally opened contact, realize the performance test of disconnector under different on off states, compared to employing analog switch or mimic-disconnecting switch, greatly reduce cost and take up room.
In the present embodiment, a described disconnector analog machine also comprises: pilot lamp group; Described pilot lamp group comprises: separating brake green indicating lamp MD1 and combined floodgate red led MD2.
Wherein, the electrode input end of described separating brake green indicating lamp MD1 is all connected described first electric wire L1 with the electrode input end of described combined floodgate red led MD2; The negative input of described separating brake green indicating lamp MD1 is connected same group of contact test lead with the negative input of described combined floodgate red led MD2; The negative input of described separating brake green indicating lamp MD1 connects normally closed contact, is used to indicate the conducting state of described normally closed contact; The negative input of described combined floodgate red led MD2 connects normally closed contact, and be used to indicate the conducting state of described normally closed contact, another connects normally opened contact, is used to indicate the conducting state of described normally opened contact.
Described separating brake green indicating lamp MD1 is different with glow color from described combined floodgate red led MD2 so that distinguish pilot lamp corresponding be normally closed contact or normally opened contact action, the separating brake of a corresponding disconnector or "on" position.
In the embodiment shown in fig. 1; be only output one group of contact test lead to be provided with pilot lamp group, the opening and closing state display purposes of intelligent secondary device as disconnectores such as relay protection high pressure protector, measure and control device, supervisory systems can be set to for other group contact test leads in actual applications.
In the present embodiment, described positive supply P is connected L1 by positive supply air switch K1 with described first electric wire.Described negative supply N is connected L2 by negative supply air switch K2 with described second electric wire.So that controlling described two-position relay KJJ is different operating voltage grades, ± 220V and ± 110V is optional, ensures the carrying out smoothly of work.In the present embodiment, described two-position relay KJJ is applicable to 110V-242V alternating current-direct current working power.
Described positive supply for exporting direct current+110V voltage, described negative supply for exporting direct current-110V voltage, now, two-position relay KJJ input ± 220V operating voltage.Or, described positive supply for exporting direct current+55V voltage, described negative supply for exporting direct current-55V voltage, now, two-position relay KJJ input ± 110V operating voltage.Can be that described positive supply and described negative supply are powered by direct current cabinet, the operating voltage of setting is provided.
Described in the present embodiment, a disconnector analog machine comprises: power supply, the two-position relay of analog machine, be used to indicate the pilot lamp of analog machine state, deciliter button etc. for simulated operation.Described two-position relay KJJ comprises: for the blocking coil of simulated intelligence transforming plant primary disconnector deciliter contactor, as 1J, 2J, 3J, 4J in figure, for simulating the contact of a disconnector deciliter state as 1J-1,1J-2,2J-1,2J-2,3J-1,3J-2,4J-1,4J-2.
Described two-position relay KJJ has No. 1 terminal-No. 20 terminals.Wiring of the present invention is, No. 10 terminals (first input end A), No. 20 terminals (the second input end B) connect DC negative supply.Press combined floodgate trigger button T2, No. 1 terminal TRIP connects positive electricity, No. 1 terminal to 10 terminal two ends are charged, coil motion, the original circuit-closing contacts of 1J-1,2J-1,3J-1,4J-1 is opened, Analog Gate cutter position normally closed contact is opened, 1J-2,2J-2,3J-2,4J-2 junction closure, and Analog Gate cutter position normal opened contact closes.Red led MD2 lights simultaneously, and green indicating lamp MD1 extinguishes.Press separating brake trigger button T1, No. 11 terminal TRIP connect positive supply, and No. 11 terminal to 20 terminal two ends are charged, and connecting point position is contrary with traffic lights action situation.Contact exports and is used for diverse location instruction and display, and the necessary anti-school input action of remote control isolation switch.
If complete various transmission in phase of integration testing, Premium Features are tested, need a large amount of simulation primary equipments, complete analog machine that the traditional secondary device purchased producer provides (can analog isolation switch, also can mimic-disconnecting switch), the mimic-disconnecting switch equipment that secondary device producer provides is complicated, function is various, bulky, be not suitable for large-scale imitating substation primary equipment disconnector (a typical 220kV substation isolating-switch can reach more than 100), adopt set of equipments investment huge, floor area is wide, take 6 to 7 screen positions possibly, one to two sides can be tapered to after adopting this invention.The application greatly reduces cost and takes up room, and substantially increases the efficiency of test.
Known by foregoing description, a disconnector analog machine described in the embodiment of the present application utilizes two-position relay to realize the performance test of disconnector under different on off states, compared to employing analog switch or mimic-disconnecting switch, greatly reduce cost and take up room.
The embodiment of the present application additionally provides a kind of intelligent substation, and this intelligent substation comprises an above-mentioned disconnector analog machine.
Concrete with reference to figure 2, the structural representation of a kind of intelligent substation debug system that Fig. 2 provides for the embodiment of the present application, this debug system is can only the debugging center of transformer station, and this debug system comprises: disconnector analog machine 21, display translation opertaing device 22, intelligent secondary device 23 and a monitoring host computer.
One group of contact test lead of a described disconnector analog machine 21 connects described display translation opertaing device 22.Be display screen cabinet by described display translation opertaing device 22, point closing operation can be carried out to a described disconnector analog machine 21 and control.Described display translation opertaing device 22 can also obtain the position display information of the current relay status of a described disconnector analog machine 21.
Another group contact test lead of a described disconnector analog machine 21 connects described intelligent secondary device 23.Described intelligent secondary device 23 can carry out remote pilot to a described disconnector analog machine 21, and a described disconnector analog machine 21 can provide position signalling for described intelligent secondary device 23.
Described intelligent secondary device 23 is connected with described monitoring host computer 24.Described monitoring host computer 24 can carry out remote pilot to described intelligent secondary device 23, and described intelligent secondary device 23 can provide position signalling for described monitoring host computer 24.
A described disconnector analog machine 21 is time disconnector analog machine of described in above-described embodiment, when performance test and performance adjustment are carried out to disconnector, can realize without the need to adopting analog switch and analog isolation switch controlling the on off state of disconnector, simple to operate, and cost is low, take up room little.
To the above-mentioned explanation of the disclosed embodiments, professional and technical personnel in the field are realized or uses the present invention.To be apparent for those skilled in the art to the multiple amendment of these embodiments, General Principle as defined herein can without departing from the spirit or scope of the present invention, realize in other embodiments.Therefore, the present invention can not be restricted to these embodiments shown in this article, but will meet the widest scope consistent with principle disclosed herein and features of novelty.

Claims (9)

1. a disconnector analog machine of intelligent substation, has multiple disconnector during described intelligent substation integration testing, it is characterized in that, this disconnector analog machine comprises:
Connect the first electric wire of positive supply;
Connect the second electric wire of negative supply;
Two-position relay, described two-position relay comprises: the first coil for action and the second coil for involution, described first coil and described second coil and the mutual locking of the second coil; For connecting first input end and second input end of negative supply; Many groups contact test lead;
Described first coil is connected with described first electric wire by separating brake trigger button; Described second coil is connected with described first electric wire by combined floodgate trigger button;
Described first input end is connected with described second electric wire; Described second input end is connected with described second electric wire;
Wherein, one group of contact test lead comprises: normally closed contact and normally opened contact; The conducting state of described normally closed contact is contrary with the conducting state of described normally opened contact.
2. a disconnector analog machine according to claim 1, is characterized in that, also comprise: pilot lamp group; Described pilot lamp group comprises: separating brake green indicating lamp and combined floodgate red led;
The electrode input end of described separating brake green indicating lamp is all connected described first electric wire with the electrode input end of described combined floodgate red led;
The negative input of described separating brake green indicating lamp is connected same group of contact test lead with the negative input of described combined floodgate red led; And the negative input of described separating brake green indicating lamp is connected normally closed contact with in the negative input of described combined floodgate red led, be used to indicate the conducting state of described normally closed contact, another connects normally opened contact, is used to indicate the conducting state of described normally opened contact.
3. a disconnector analog machine according to claim 2, is characterized in that, the equal correspondence of each group contact test lead arranges pilot lamp group described in.
4. a disconnector analog machine according to claim 1, is characterized in that, described positive supply is connected with described first electric wire by positive supply air switch.
5. a disconnector analog machine according to claim 1, is characterized in that, described negative supply is connected with described second electric wire by negative supply air switch.
6. a disconnector analog machine according to claim 1, is characterized in that, in same group of contact test lead, described normally closed contact and normally opened contact connect same disconnector, for the performance test of the different conducting state of this power station equipment;
Or, described normally closed contact connects the first disconnector, described normally opened contact connects the second disconnector, for testing described first disconnector in the performance test of described second disconnector when conducting state is contrary, wherein, described first disconnector in described second disconnector be different disconnectores.
7. a disconnector analog machine according to claim 1, is characterized in that, described positive supply is for exporting direct current+110V voltage, and described negative supply is for exporting direct current-110V voltage.
8. a disconnector analog machine according to claim 1, is characterized in that, described positive supply is for exporting direct current+55V voltage, and described negative supply is for exporting direct current-55V voltage.
9. an intelligent substation debug system, is characterized in that, comprises a disconnector analog machine as described in any one of claim 1-8.
CN201510023866.9A 2015-01-19 2015-01-19 A kind of intelligent substation debugging system and a disconnecting switch analog machine Active CN104569802B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201510023866.9A CN104569802B (en) 2015-01-19 2015-01-19 A kind of intelligent substation debugging system and a disconnecting switch analog machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201510023866.9A CN104569802B (en) 2015-01-19 2015-01-19 A kind of intelligent substation debugging system and a disconnecting switch analog machine

Publications (2)

Publication Number Publication Date
CN104569802A true CN104569802A (en) 2015-04-29
CN104569802B CN104569802B (en) 2018-01-09

Family

ID=53086328

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201510023866.9A Active CN104569802B (en) 2015-01-19 2015-01-19 A kind of intelligent substation debugging system and a disconnecting switch analog machine

Country Status (1)

Country Link
CN (1) CN104569802B (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN109753004A (en) * 2019-02-26 2019-05-14 美登思电气(上海)有限公司 Automatic change-over simulator and its application
WO2020001567A1 (en) * 2018-06-29 2020-01-02 Byton Limited Redundant, priority-based, robust gear shifter

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009053488A1 (en) * 2007-10-25 2009-04-30 Abb Research Operating a substation automation system
CN102033181A (en) * 2010-11-25 2011-04-27 河南省电力公司洛阳供电公司 Portable spare power automatic switching calibrator
CN102072997A (en) * 2010-11-25 2011-05-25 河南省电力公司洛阳供电公司 Spare automatic switching logic test method for checking main transformer mutual switching mode
CN102436773A (en) * 2011-09-15 2012-05-02 宁波市鄞州供电局 Analog circuit breaker
CN203929907U (en) * 2013-12-19 2014-11-05 国家电网公司 Breaker fail protection assistant experiment device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2009053488A1 (en) * 2007-10-25 2009-04-30 Abb Research Operating a substation automation system
CN102033181A (en) * 2010-11-25 2011-04-27 河南省电力公司洛阳供电公司 Portable spare power automatic switching calibrator
CN102072997A (en) * 2010-11-25 2011-05-25 河南省电力公司洛阳供电公司 Spare automatic switching logic test method for checking main transformer mutual switching mode
CN102436773A (en) * 2011-09-15 2012-05-02 宁波市鄞州供电局 Analog circuit breaker
CN203929907U (en) * 2013-12-19 2014-11-05 国家电网公司 Breaker fail protection assistant experiment device

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
华元峰 等: "智能变电站集成测试发展与实践", 《机电信息》 *
叶伯颖 等: "双位置继电器在仿真变电站控制及信号回路中的应用", 《继电器》 *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2020001567A1 (en) * 2018-06-29 2020-01-02 Byton Limited Redundant, priority-based, robust gear shifter
CN109753004A (en) * 2019-02-26 2019-05-14 美登思电气(上海)有限公司 Automatic change-over simulator and its application
CN109753004B (en) * 2019-02-26 2024-02-23 美登思电气(上海)有限公司 Automatic transfer switch simulator and application thereof

Also Published As

Publication number Publication date
CN104569802B (en) 2018-01-09

Similar Documents

Publication Publication Date Title
CN103941176B (en) Fault detection system for VBE system device of high-voltage direct current transmission converter valve
CN110299041B (en) Intelligent power distribution terminal and communication operation and maintenance integrated training system and method
CN103364663B (en) Intelligent device for simulating transformer substation primary equipment behavior
CN201887539U (en) Intelligent network type simulation circuit breaker device and substation simulation primary system
CN105527521B (en) A kind of protective relaying device verification ancillary equipment and monitoring system
CN108983006A (en) Type feeder automation switch terminal scene does not have a power failure full-automatic testing method on the spot
CN102508081A (en) Distribution network fault simulating method and device and distribution network system
CN105094120B (en) Simulate the test device of primary equipment action behavior
CN104269090A (en) Simulation system and method for electricity consumption information acquisition terminal round control switch
CN103630789A (en) Auxiliary experiment device for breaker failure protection
CN105334417A (en) Portable spare power automatic switching check device
CN203838899U (en) Simulation training platform of isolation switch electrical secondary system
CN104569802A (en) Intelligent substation debugging system and primary isolating switch analog equipment
CN202305703U (en) Complicated fault reoccurrence simulated circuit breaker device for power grid
CN112213592A (en) Distributed terminal double-loop network self-healing transfer detection system and method thereof
CN201392370Y (en) Mimic-disconnecting switch used for protecting tester
CN210142411U (en) Universal power supply station practical training operating system and anti-electricity-stealing practical training circuit thereof
CN207780133U (en) Straight control type motor-operating mechanism testing inspection case
CN207457390U (en) The epitope failure simulation device of low-voltage distribution transformer platform district Intelligent power-utilization information system
CN213517375U (en) Distributed terminal double-loop network self-healing transfer detection system
CN203927005U (en) Electric valve control circuit and the electric operated valve instrument that comprises this circuit
CN103077644B (en) Split-phase breaker hydraulic operation mechanism training device
CN205120850U (en) Primary equipment of transformer substation state analogue means
CN206321718U (en) A kind of simple mimic-disconnecting switch
CN204257089U (en) Switch cubicle analogue experiment installation

Legal Events

Date Code Title Description
C06 Publication
PB01 Publication
C10 Entry into substantive examination
SE01 Entry into force of request for substantive examination
CB03 Change of inventor or designer information

Inventor after: Yan Jiangbo

Inventor after: Ding Jian

Inventor after: Huang Yunbing

Inventor after: Zhu Zengguang

Inventor after: Chen Jianwu

Inventor after: Sun Ke

Inventor before: Yan Jiangbo

Inventor before: Ding Jian

Inventor before: Huang Yunbing

Inventor before: Zhu Zengguang

CB03 Change of inventor or designer information
TA01 Transfer of patent application right

Effective date of registration: 20170510

Address after: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing

Applicant after: State Grid Corporation of China

Applicant after: State Grid Zhejiang Electric Power Company

Applicant after: Ningbo Power Supply Company of State Grid Zhejiang Electric Power Company

Applicant after: NINGBO TRANSMISSION & DISTRIBUTION CONSTRUCTION CO., LTD.

Address before: 100031 Xicheng District West Chang'an Avenue, No. 86, Beijing

Applicant before: State Grid Corporation of China

Applicant before: State Grid Zhejiang Electric Power Company

Applicant before: Ningbo Power Supply Company of State Grid Zhejiang Electric Power Company

TA01 Transfer of patent application right
GR01 Patent grant
GR01 Patent grant