CN104079073A - 35 kV capacitor and discharge coil secondary circuit monitoring device for transformer substation - Google Patents
35 kV capacitor and discharge coil secondary circuit monitoring device for transformer substation Download PDFInfo
- Publication number
- CN104079073A CN104079073A CN201410332652.5A CN201410332652A CN104079073A CN 104079073 A CN104079073 A CN 104079073A CN 201410332652 A CN201410332652 A CN 201410332652A CN 104079073 A CN104079073 A CN 104079073A
- Authority
- CN
- China
- Prior art keywords
- node
- normally closed
- discharge coil
- capacitor
- secondary circuit
- 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
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E60/00—Enabling technologies; Technologies with a potential or indirect contribution to GHG emissions mitigation
Abstract
The invention discloses a 35 kV capacitor and discharge coil secondary circuit monitoring device for a transformer substation. The device comprises a relay, a switch, indicator lamps and a voltage meter. The switch comprises a KV1 normally-open contact, a KV1 normally-closed contact, a KV2 normally-open contact, a KV2 normally-closed contact, a KV3 normally-open contact, a high-voltage switch normally-closed contact and a high-voltage switch normally-open contact. The relay comprises KV1, KV2 and KV3. The indicator lamps comprise the yellow indicator lamp, the red indicator lamp and the green indicator lamp. The voltage meter is connected with a discharge coil secondary circuit. K1, K2 and K3 are arranged on the voltage meter and connected with the positive electrode of a power supply, the indicator lamps, an alarm, a locking controller, the KV1, the KV2 and the KV3 are connected with the negative electrode of the power supply, and the KV1 and the KV2 are further connected with the control power supply. By means of the 35 kV capacitor and discharge coil secondary circuit monitoring device, the defects in the prior art are overcome, and the 35 kV capacitor and discharge coil secondary circuit monitoring device is simple and practical, can automatically detect and display the working state of a capacitor and the working stage of a discharge coil, and has the advantage of giving out an alarm and locking a safety fence of the capacitor.
Description
technical field:
The present invention relates to a kind of monitoring alarm device, particularly relate to 35kV capacitor discharge coil secondary circuit supervising device for a kind of transformer station.
background technology:
Electric power system " three collection five are large " reform, 500kV transformer station is by unattended operation, and in order to guarantee power system voltage quality requirement, capacitor is according to voltage condition automatic switching.In order to guarantee that capacitor switching is normal, there is not residual voltage stack crisis capacitor and high-voltage switch gear security of operation, so the 35kV of 500kV transformer station capacitor is all equipped with discharge coil.Discharge coil supervising device is exactly the operating state of monitoring capacitor and discharge coil, when capacitor and discharge coil are normally worked, this supervising device can be assisted the O&M personnel of transformer station and economize and adjust the correct switched capacitor of monitor staff, regulating system voltage, when capacitor and discharge coil have fault, this supervising device can excise fault capacitor and fault discharge coil working power supply by the instantaneous fault-signal of quoting within 1 second, fault restriction expands assurance electric power system and normally moves, assurance supervising device is efficient, the realization of precision maneuver function is all to have the secondary circuit of supervising device to complete.
summary of the invention:
Technical problem to be solved by this invention is: overcome the deficiencies in the prior art, provide a kind of simple and practical, can automatically detect and show the operating state of capacitor and discharge coil, and there is the 35kV capacitor discharge coil secondary circuit supervising device for transformer station of warning, blocking capacitor safe fence.
Technical scheme of the present invention is: 35kV capacitor discharge coil secondary circuit supervising device for a kind of transformer station, comprise relay, switch, indicator light, voltmeter, described switch comprises that KV1 often opens node, the normally closed node of KV1, KV2 often opens node, the normally closed node of KV2, KV3 often opens node, the normally closed node of high-voltage switch gear, high-voltage switch gear is often opened node, described relay comprises KV1, KV2, KV3, described indicator light comprises yellow indicator lamp, red led, green indicating lamp, described voltmeter is connected with discharge coil secondary circuit, and on voltmeter, be provided with three output node K1, K2, K3, described K1, K2, K3 is connected with the positive pole of power supply, and be connected with one end of three branch roads, the other end of described three branch roads is connected with power cathode.
Described K1 is connected successively with the normally closed node of KV1, red led, and form article one branch road, between the normally closed node of described K1 and KV1, be provided with along separate routes, in described shunt, be provided with the normally closed node of high-voltage switch gear, KV1, the normally closed node of described high-voltage switch gear, KV1 are connected in series in power cathode successively, between the normally closed node of described high-voltage switch gear, KV1, arrange along separate routes, in described shunt, be provided with KV1 and often open node.
Described K3 is connected successively with KV3, and form second branch road, between described K3 and KV3, there is fulcrum along separate routes, in the shunt that described shunt fulcrum connects, be provided with KV3 normal opened contact, yellow indicator lamp, alarm, locking controller, described KV3 normal opened contact has three interfaces, respectively at connected in series in power cathode with yellow indicator lamp, alarm, locking controller, described K3 and between fulcrum, two shunt are set along separate routes, often opens node, KV2 with KV1 respectively and often opens node and be connected.
Described K2 is connected successively with the normally closed node of KV2, green indicating lamp, and form the 3rd branch road, between the normally closed node of described K2 and KV2, be provided with along separate routes, in described shunt, be provided with high-voltage switch gear and often open node, KV2, it is connected in series in power cathode successively that described high-voltage switch gear is often opened node, KV2, described high-voltage switch gear is often opened between node, KV2 and is arranged along separate routes, is provided with KV2 and often opens node in described shunt.
Described power supply is 24V DC power supply.
The invention has the beneficial effects as follows:
1, the present invention can detect and show the operating state of capacitor and discharge coil automatically, and has the functions such as warning, blocking capacitor safe fence.
2, the voltage on voltmeter direct-detection discharge coil secondary circuit of the present invention, controls the switch of K1, K2, K3 according to the magnitude of voltage of surveying, during capacitor group fault, the action of the locking controller of use is correct, having the energising function that power-off unblanks of locking.
3, indicator light of the present invention has Huang, green, red three kinds of colors, represents the operating state of capacitor and discharge coil, when alarm is reminded people and warning signal is transported to Zhong Tiao Surveillance center.
4, the present invention is when capacitor breaks down, blocking capacitor group safe fence, and warning signal is transported to Zhong Tiao Surveillance center, operating personnel, by control loop, make the high-voltage switch gear of capacitor exit automatic switching device.
accompanying drawing explanation:
35kV capacitor discharge coil secondary circuit supervising device electrical connection diagram for Tu1Wei transformer station.
embodiment:
Embodiment: referring to Fig. 1, in figure, 1-red led, 2-green indicating lamp, 3-yellow indicator lamp, the normally closed node of 4-high-voltage switch gear, 5-high-voltage switch gear are often opened node, 6-KV1 and are often opened node, the normally closed node of 7-KV1,8-KV2 and often open node, the normally closed node of 9-KV2,10-KV3 and often open node, 11-alarm, 12-locking controller.
35kV capacitor discharge coil secondary circuit supervising device for transformer station: comprise relay, switch, indicator light, voltmeter, switch comprises that KV1 often opens node 6, the normally closed node 7 of KV1, KV2 often opens node 8, the normally closed node 9 of KV2, KV3 often opens node 10, the normally closed node 4 of high-voltage switch gear, high-voltage switch gear is often opened node 5, relay comprises KV1, KV2, KV3, indicator light comprises yellow indicator lamp 3, red led 1, green indicating lamp 2, voltmeter is connected with discharge coil secondary circuit, and on voltmeter, be provided with three output node K1, K2, K3, K1, K2, K3 is connected with the positive pole of power supply, and be connected with one end of three branch roads respectively, article three, the other end of branch road is connected with power cathode.
K1 is connected successively with the normally closed node 7 of KV1, red led 1, and form article one branch road, between the normally closed node 7 of K1 and KV1, be provided with along separate routes, along separate routes, be provided with the normally closed node 4 of high-voltage switch gear, KV1, the normally closed node 4 of high-voltage switch gear, KV1 are connected in series in power cathode successively, between the normally closed node 4 of high-voltage switch gear, KV1, arrange along separate routes, in shunt, be provided with KV1 and often open node 6.
K3 is connected successively with KV3, and form second branch road, between K3 and KV3, there is fulcrum along separate routes, in the shunt that fulcrum connects along separate routes, be provided with KV3 normal opened contact 10, yellow indicator lamp 3, alarm 11, locking controller 12, KV3 normal opened contact 10 has three interfaces, respectively at connected in series in power cathode with yellow indicator lamp 3, alarm 11, locking controller 10, K3 and between fulcrum, two shunt are set along separate routes, often opens node 6, KV2 with KV1 respectively and often opens node 8 and be connected.
K2 is connected successively with the normally closed node 9 of KV2, green indicating lamp 2, and form the 3rd branch road, between the normally closed node 9 of K2 and KV2, be provided with along separate routes, along separate routes, be provided with high-voltage switch gear and often open node 5, KV2, it is connected in series in power cathode successively that high-voltage switch gear is often opened node 5, KV2, high-voltage switch gear is often opened between node 5, KV2 and is arranged along separate routes, is provided with KV2 and often opens node 8 in shunt.
Power supply is 24V DC power supply.
During use, after connecting equipment, be divided into five kinds of operating states:
(1), capacitor discharge coil secondary coil output 100V while normally putting into operation, the output node K1 of voltmeter 100V is closed, the normally closed node 4 of high-voltage switch gear is opened, at this moment red led 1 is bright, proves that capacitor and discharge coil normally work.
(2), capacitor is when out of service below discharge coil secondary coil output 50V, the output node K2 below voltmeter 50V is closed, high-voltage switch gear is often opened node 5 and is opened, at this moment green indicating lamp 1 is bright, proves that capacitor and discharge coil normally work.
(3) discharge coil secondary coil output 51V-99V when, capacitor normally puts into operation, the output node K3 of voltmeter 51V-99V is closed, kV3 switches on and controls KV3 and often open node 10 closures, at this moment yellow indicator lamp 3 is bright, proof capacitor faults, blocking capacitor group safe fence subsequently, and warning signal is transported to Zhong Tiao Surveillance center, operating personnel, by control loop, make the high-voltage switch gear of capacitor exit automatic switching device.
(4) discharge coil secondary coil output 100V when, capacitor is out of service, the output node K1 of voltmeter 100V is closed, normally closed node 4 closures of high-voltage switch gear, kV1 switches on and controls that the normally closed node 7 of KV1 is opened, KV1 normal opened contact 6 closures, kV3 switches on and controls KV3 normal opened contact 10 closures, at this moment yellow indicator lamp 3 is bright, proof discharge coil malfunction, blocking capacitor group safe fence subsequently, and warning signal is transported to Zhong Tiao Surveillance center, operating personnel, by control loop, make the high-voltage switch gear of capacitor exit automatic switching device.
(5) when, capacitor normally puts into operation, discharge coil secondary coil is exported below 50V, the output node K2 of voltmeter 50V is closed, high-voltage switch gear is often opened node 5 closures, kV2 switches on and controls that the normally closed node 9 of KV2 is opened, KV2 normal opened contact 8 closures, kV3 switches on and controls KV3 normal opened contact 10 closures, at this moment yellow indicator lamp 3 is bright, proof discharge coil malfunction, blocking capacitor group safe fence subsequently, and warning signal is transported to Zhong Tiao Surveillance center, operating personnel, by control loop, make the high-voltage switch gear of capacitor exit automatic switching device.
The above, it is only preferred embodiment of the present invention, not the present invention is done to any pro forma restriction, any simple modification, equivalent variations and modification that every foundation technical spirit of the present invention is done above embodiment, all still belong in the scope of technical solution of the present invention.
Claims (5)
- 35kV capacitor discharge coil secondary circuit supervising device for 1.Yi Zhong transformer station, comprise relay, switch, indicator light, voltmeter, it is characterized in that: described switch comprises that KV1 often opens node, the normally closed node of KV1, KV2 often opens node, the normally closed node of KV2, KV3 often opens node, the normally closed node of high-voltage switch gear, high-voltage switch gear is often opened node, described relay comprises KV1, KV2, KV3, described indicator light comprises yellow indicator lamp, red led, green indicating lamp, described voltmeter is connected with discharge coil secondary circuit, and on voltmeter, be provided with three output node K1, K2, K3, described K1, K2, K3 is connected with the positive pole of power supply, and be connected with one end of three branch roads, the other end of described three branch roads is connected with power cathode.
- 2. 35kV capacitor discharge coil secondary circuit supervising device for transformer station according to claim 1, it is characterized in that: described K1 is connected successively with the normally closed node of KV1, red led, and form article one branch road, between the normally closed node of described K1 and KV1, be provided with along separate routes, in described shunt, be provided with the normally closed node of high-voltage switch gear, KV1, the normally closed node of described high-voltage switch gear, KV1 are connected in series in power cathode successively, between the normally closed node of described high-voltage switch gear, KV1, arrange along separate routes, in described shunt, be provided with KV1 and often open node.
- 3. 35kV capacitor discharge coil secondary circuit supervising device for transformer station according to claim 1, it is characterized in that: described K3 is connected successively with KV3, and form second branch road, between described K3 and KV3, there is fulcrum along separate routes, in the shunt that described shunt fulcrum connects, be provided with KV3 normal opened contact, yellow indicator lamp, alarm, locking controller, described KV3 normal opened contact has three interfaces, respectively at yellow indicator lamp, alarm, locking controller is connected in series in power cathode, between described K3 and shunt fulcrum, two shunt are set, often open node with KV1 respectively, KV2 often opens node and connects.
- 4. 35kV capacitor discharge coil secondary circuit supervising device for transformer station according to claim 1, it is characterized in that: described K2 is connected successively with the normally closed node of KV2, green indicating lamp, and form the 3rd branch road, between the normally closed node of described K2 and KV2, be provided with along separate routes, in described shunt, be provided with high-voltage switch gear and often open node, KV2, it is connected in series in power cathode successively that described high-voltage switch gear is often opened node, KV2, described high-voltage switch gear is often opened between node, KV2 and is arranged along separate routes, is provided with KV2 and often opens node in described shunt.
- 5. 35kV capacitor discharge coil secondary circuit supervising device for transformer station according to claim 1, it is characterized in that: described power supply is 24V DC power supply, three output node K1, K2 of described voltmeter, the magnitude of voltage that K3 is corresponding are respectively below 100V, 50V, 51V-99V.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410332652.5A CN104079073B (en) | 2014-07-14 | 2014-07-14 | Transformer station's 35kV capacitor discharge coil secondary circuit supervising device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410332652.5A CN104079073B (en) | 2014-07-14 | 2014-07-14 | Transformer station's 35kV capacitor discharge coil secondary circuit supervising device |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104079073A true CN104079073A (en) | 2014-10-01 |
| CN104079073B CN104079073B (en) | 2016-04-13 |
Family
ID=51600177
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410332652.5A Active CN104079073B (en) | 2014-07-14 | 2014-07-14 | Transformer station's 35kV capacitor discharge coil secondary circuit supervising device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104079073B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242003A (en) * | 2014-10-11 | 2014-12-24 | 国家电网公司 | Discharging tool for bulk capacitors |
| CN112748273A (en) * | 2020-12-29 | 2021-05-04 | 广东电网有限责任公司电力科学研究院 | Real-time voltage monitoring circuit for discharge coil of high-voltage parallel capacitor bank |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0591682A (en) * | 1991-09-27 | 1993-04-09 | Fuji Electric Co Ltd | Controller for distribution switch |
| JP2011259522A (en) * | 2010-06-04 | 2011-12-22 | Panasonic Electric Works Co Ltd | Remote meter reading system and switch control apparatus |
| CN102340171A (en) * | 2011-09-20 | 2012-02-01 | 江苏省电力公司常州供电公司 | Transformer substation spare power automatic switching system with default-phase protection function and working method thereof |
| CN204046271U (en) * | 2014-07-14 | 2014-12-24 | 国家电网公司 | Transformer station's 35kV capacitor discharge coil secondary circuit supervising device |
-
2014
- 2014-07-14 CN CN201410332652.5A patent/CN104079073B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0591682A (en) * | 1991-09-27 | 1993-04-09 | Fuji Electric Co Ltd | Controller for distribution switch |
| JP2011259522A (en) * | 2010-06-04 | 2011-12-22 | Panasonic Electric Works Co Ltd | Remote meter reading system and switch control apparatus |
| CN102340171A (en) * | 2011-09-20 | 2012-02-01 | 江苏省电力公司常州供电公司 | Transformer substation spare power automatic switching system with default-phase protection function and working method thereof |
| CN204046271U (en) * | 2014-07-14 | 2014-12-24 | 国家电网公司 | Transformer station's 35kV capacitor discharge coil secondary circuit supervising device |
Non-Patent Citations (1)
| Title |
|---|
| 张延辉等: "微机继电保护交流操作改进方案的研究", 《电力系统保护与控制》 * |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104242003A (en) * | 2014-10-11 | 2014-12-24 | 国家电网公司 | Discharging tool for bulk capacitors |
| CN112748273A (en) * | 2020-12-29 | 2021-05-04 | 广东电网有限责任公司电力科学研究院 | Real-time voltage monitoring circuit for discharge coil of high-voltage parallel capacitor bank |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104079073B (en) | 2016-04-13 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105305620B (en) | A kind of breaker closing control loop template monitoring system | |
| CN107290676A (en) | A kind of batteries main fuse fusing and open circuit detection method and device | |
| CN205051440U (en) | Breaker closing control circuit monitoring system that breaks | |
| CN204696056U (en) | A kind of circuit breaker of Novel belt circuit checker | |
| CN102323544A (en) | Auxiliary device for switching characteristic test of mid-set cabinet | |
| CN104079073B (en) | Transformer station's 35kV capacitor discharge coil secondary circuit supervising device | |
| CN208904747U (en) | A kind of double loop power supply automatic switching power supply circuit and system | |
| CN104852606A (en) | Low-voltage rectifier cabinet with real-time monitoring and intelligent switching functions | |
| CN204649867U (en) | Switch cart detects commissioning device | |
| CN107677969A (en) | The charge/discharge test device of distributed complete online batteries | |
| CN204046271U (en) | Transformer station's 35kV capacitor discharge coil secondary circuit supervising device | |
| CN104330607B (en) | Alternating current scurries into the detection of straight-flow system and compels to jump device | |
| CN203747385U (en) | Switch machine time-limited open-phase protector with two sets of control circuit | |
| CN203551707U (en) | A 35 kV capacitor discharge coil monitoring device for a substation | |
| CN206194663U (en) | High -breaking ammeter circuit breaker with fault alarming function | |
| CN202166726U (en) | Auxiliary device of switching characteristic test for medium-placed cabinet | |
| CN204425033U (en) | A kind of emergency lighting automatic switchover system | |
| CN204761301U (en) | Low pressure rectification cabinet of real time monitoring intelligence switching | |
| CN204442021U (en) | A kind of remote maintenance device of uninterrupted power supply | |
| CN103489058B (en) | TipWizard based on intelligent engine transfers method and device | |
| CN205982404U (en) | Condact rail supplies electrical safety protection system | |
| CN202548290U (en) | Vacuum circuit breaker synchronous detector | |
| CN106199411B (en) | A kind of new distribution automates failure detector | |
| CN105207343A (en) | Control circuit for conversion of two power sources | |
| CN206274333U (en) | The voltage monitoring system of switch cubicle |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |