CN103457167A - Method for achieving misoperation-preventive locking of electric generator by using ABB disconnecting link for switching keys - Google Patents
Method for achieving misoperation-preventive locking of electric generator by using ABB disconnecting link for switching keys Download PDFInfo
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- CN103457167A CN103457167A CN2013103924488A CN201310392448A CN103457167A CN 103457167 A CN103457167 A CN 103457167A CN 2013103924488 A CN2013103924488 A CN 2013103924488A CN 201310392448 A CN201310392448 A CN 201310392448A CN 103457167 A CN103457167 A CN 103457167A
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- disconnecting link
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Abstract
The invention relates to the technical field of electric power, in particular to a method for achieving misoperation-preventive locking of an electronic generator by using an ABB disconnecting link for switching keys, and belongs to a mechanical misoperation-preventive locking device in a power plant. According to the method for achieving misoperation-preventive locking of the electronic generator by using the ABB disconnecting link for switching the keys, misoperation-preventive locking devices are additionally arranged on an electric generator outlet PT cabinet and an electric braking switch cabinet, the misoperation-preventive locking keys for unlocking a door of the electric generator outlet PT cabinet and a door of the electric braking switch cabinet and a key ring for a locking key of the opening position of the ABB disconnecting link are connected together, and the key ring is welded; the misoperation-preventive locking keys and the locking key of the opening position of the ABB disconnecting link are made to be not separated. According to the method for achieving misoperation-preventive locking of the electronic generator by using the ABB disconnecting link for switching the keys, under the premise of guaranteeing safety, the difficult problem that the ABB disconnecting link can not be provided with an active lock easily is creatively solved, and the advantages of being simple and practicable in method, safe, reliable, capable of greatly shortening working period and saving cost and the like are achieved. The method for achieving misoperation-preventive locking of the electronic generator by using the ABB disconnecting link for switching the keys is particularly suitable for the power plants in which mechanical misoperation-preventive locking devices are mounted by the ABB disconnecting link, the method is tested in practical in a power station and is verified to be safe and reliable, and strong promotional value is achieved.
Description
Technical field
The present invention relates to the power technology field, relate in particular to a kind of method that the ABB of utilization disconnecting link switching key is realized the generator anti-misoperation locking, is a kind of power plant mechanical type anti-misoperation locking device.
Background technology
Generator is when operation, and in PT at the exits of generators cabinet, electric braking switch cubicle, electric pressure is generally 13.8kV, 15.75kV, 18kV.Some power generators outlet PT cabinet, electric braking cabinet door lock key are common key, can open easily the cabinet door, personnel's casualty accident of very easily getting an electric shock.According to the electric power system countermeasure, need to install the mechanical type anti-misoperation locking device additional at PT at the exits of generators cabinet, electric braking switch cubicle.
Prior art is, on the generator outlet disconnecting link, power lock is installed.When the generator outlet disconnecting link at open position, guarantee that PT at the exits of generators cabinet, electric braking switch cubicle have a power failure, use power lock by knife switch lock at open position, then displace the anti-misoperation locking key of opening PT at the exits of generators cabinet, electric braking cabinet door, open the cabinet door.
Summary of the invention
For above-mentioned problems of the prior art, the invention provides a kind of ABB of utilization disconnecting link switching key and realize the method for generator anti-misoperation locking, purpose is to solve the difficult problem that the ABB disconnecting link is difficult for installing power lock, because there is key switching blocking function in ABB switch operation mechanism, utilize this function not install power lock additional on disconnecting link, conveniently realize that PT at the exits of generators cabinet, electric braking switch cubicle install the mechanical type anti-misoperation locking device additional.
The present invention is achieved through the following technical solutions:
Utilize ABB disconnecting link switching key to realize the method for generator anti-misoperation locking, be:
Install anti-misoperation locking device additional at PT at the exits of generators cabinet, electric braking switch cubicle;
Anti-misoperation locking key and the ABB disconnecting link open position locking key of opening PT at the exits of generators cabinet, electric braking cabinet door are linked together with key ring, and key ring is welded; Make anti-misoperation locking key and ABB disconnecting link open position locking key not to be separated;
The method concrete operation step of generator anti-misoperation locking is as follows:
1. insert the electric operating key in generator outlet switch operation mechanism;
2. pull open the generator outlet disconnecting link, PT at the exits of generators cabinet, electric braking switch cubicle are had a power failure;
3. take out open position locking key in generator outlet switch operation mechanism, take out the anti-misoperation locking key simultaneously, the generator outlet disconnecting link is latched in to open position;
4. use the key operated PT at the exits of generators cabinet of anti-misoperation locking, electric braking cabinet door.
Advantage and beneficial effect are as follows:
The present invention guaranteeing under safe prerequisite, creationaryly solved the difficult problem that the ABB disconnecting link is difficult for installing power lock, has simple, safe and reliable, the great reduction of erection time of method, the advantage such as reduce expenses.Especially be applicable to having the ABB disconnecting link to carry out the power plant of mechanical anti-misoperation locking device installation.The method has been passed through the practice test in power station, confirms that the method is safe and reliable, and reference is large, has very strong promotional value.
Below in conjunction with specific embodiment, the present invention will be further described in detail.
Embodiment
The present invention is a kind of method that the ABB of utilization disconnecting link switching key is realized the generator anti-misoperation locking.
One, ABB switch operation of the present invention mechanism key switching locking principle is as follows:
There are three locking keys in ABB switch operation mechanism, is respectively electric operating key, open position locking key and closing position locking key.Due to three mutual lockings of key, can only take out a wherein key, to realize different blocking functions at every turn.Refer to table 1.
Two, implementation method.
1. install anti-misoperation locking device additional at PT at the exits of generators cabinet, electric braking switch cubicle;
2. anti-misoperation locking key and the ABB disconnecting link open position locking key that will open PT at the exits of generators cabinet, electric braking cabinet door link together with key ring, and key ring is welded.Make anti-misoperation locking key and ABB disconnecting link open position locking key not to be separated.
Three, use step
1. insert the electric operating key in generator outlet switch operation mechanism;
2. pull open the generator outlet disconnecting link, PT at the exits of generators cabinet, electric braking switch cubicle are had a power failure;
3. take out open position locking key (simultaneously taking out the anti-misoperation locking key) in generator outlet switch operation mechanism, the generator outlet disconnecting link is latched in to open position;
4. use the key operated PT at the exits of generators cabinet of anti-misoperation locking, electric braking cabinet door.
The blocking function table that table 1, ABB switch operation mechanism three realize the locking key.
Claims (1)
1. utilize ABB disconnecting link switching key to realize the method for generator anti-misoperation locking, it is characterized in that:
Install anti-misoperation locking device additional at PT at the exits of generators cabinet, electric braking switch cubicle;
Anti-misoperation locking key and the ABB disconnecting link open position locking key of opening PT at the exits of generators cabinet, electric braking cabinet door are linked together with key ring, and key ring is welded; Make anti-misoperation locking key and ABB disconnecting link open position locking key not to be separated;
The method concrete operation step of generator anti-misoperation locking is as follows:
1. insert the electric operating key in generator outlet switch operation mechanism;
2. pull open the generator outlet disconnecting link, PT at the exits of generators cabinet, electric braking switch cubicle are had a power failure;
3. take out open position locking key in generator outlet switch operation mechanism, take out the anti-misoperation locking key simultaneously, the generator outlet disconnecting link is latched in to open position;
4. use the key operated PT at the exits of generators cabinet of anti-misoperation locking, electric braking cabinet door.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392448.8A CN103457167B (en) | 2013-09-02 | 2013-09-02 | Utilize ABB disconnecting link switching key to realize the method for generator anti-misoperation locking |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310392448.8A CN103457167B (en) | 2013-09-02 | 2013-09-02 | Utilize ABB disconnecting link switching key to realize the method for generator anti-misoperation locking |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103457167A true CN103457167A (en) | 2013-12-18 |
| CN103457167B CN103457167B (en) | 2016-05-18 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310392448.8A Active CN103457167B (en) | 2013-09-02 | 2013-09-02 | Utilize ABB disconnecting link switching key to realize the method for generator anti-misoperation locking |
Country Status (1)
| Country | Link |
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| CN (1) | CN103457167B (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473504A (en) * | 1994-12-27 | 1995-12-05 | General Electric Company | Electric meter with desired seating torque |
| CN2687815Y (en) * | 2004-03-23 | 2005-03-23 | 广州健翔咨询有限公司 | Key interlocking device |
| US20090251850A1 (en) * | 2008-04-03 | 2009-10-08 | Morales Jesus R | Lock for a housing |
| US20090303666A1 (en) * | 2008-06-10 | 2009-12-10 | Christopher Andrew Brizes | Thermoplastic electrical enclosure |
| CN202347951U (en) * | 2011-08-17 | 2012-07-25 | 上海凯研机械设备有限公司 | Encoding type safe mechanical interlocking system |
-
2013
- 2013-09-02 CN CN201310392448.8A patent/CN103457167B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5473504A (en) * | 1994-12-27 | 1995-12-05 | General Electric Company | Electric meter with desired seating torque |
| CN2687815Y (en) * | 2004-03-23 | 2005-03-23 | 广州健翔咨询有限公司 | Key interlocking device |
| US20090251850A1 (en) * | 2008-04-03 | 2009-10-08 | Morales Jesus R | Lock for a housing |
| US20090303666A1 (en) * | 2008-06-10 | 2009-12-10 | Christopher Andrew Brizes | Thermoplastic electrical enclosure |
| CN202347951U (en) * | 2011-08-17 | 2012-07-25 | 上海凯研机械设备有限公司 | Encoding type safe mechanical interlocking system |
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| Publication number | Publication date |
|---|---|
| CN103457167B (en) | 2016-05-18 |
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