CN109462276A - Seamless electricity connection method - Google Patents
Seamless electricity connection method Download PDFInfo
- Publication number
- CN109462276A CN109462276A CN201810893991.9A CN201810893991A CN109462276A CN 109462276 A CN109462276 A CN 109462276A CN 201810893991 A CN201810893991 A CN 201810893991A CN 109462276 A CN109462276 A CN 109462276A
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- China
- Prior art keywords
- user
- operating personnel
- low
- generating set
- flexible cable
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- 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.)
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Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02J—CIRCUIT ARRANGEMENTS OR SYSTEMS FOR SUPPLYING OR DISTRIBUTING ELECTRIC POWER; SYSTEMS FOR STORING ELECTRIC ENERGY
- H02J9/00—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting
- H02J9/04—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source
- H02J9/06—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems
- H02J9/08—Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting in which the distribution system is disconnected from the normal source and connected to a standby source with automatic change-over, e.g. UPS systems requiring starting of a prime-mover
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- Business, Economics & Management (AREA)
- Emergency Management (AREA)
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
The invention discloses a kind of seamless electricity connection method, include the following steps: to dress safety device;Cable lays, detects;The access of generator car side main loop cabling;User side major loop bus bar clamping connection enters;Start generating set;User side minor loop bus bar clamping connection enters;User high-pressure side fuse is closed, net-connected controller parameter is checked, closes user's power distribution cabinet low-pressure side incoming switch;It shuts down generating set operating personnel and pulls open generating set gate out switch.The characteristics of present invention has the expansion that low pressure uninterrupted operation technology can be achieved, and enriches distribution upkeep operation means, creates conditions for the application that do not have a power failure of full power supply area, full voltage grade, full distribution type.
Description
Technical field
The present invention relates to for protect electro-technical field, more particularly, to a kind of seamless electricity connection method.
Background technique
Certain shopping centre public affairs becomes increase-volume, and power supply department is scheduled generator car and protects electricity, but still receives several clients during working
It complains, client says because all computers in Internet bar are restarted, and the valuable equipment in game is caused to be lost, and client thinks that power supply department is protected
Powered operation is not in place.
During important festivals or holidays, government department may require that power supply department ensures water pavilion gate light meeting uninterrupted power supply with all strength, but
It is that once there is electric network fault, live several seconds power failure still will lead to for existing guarantor's power supply technique.
Summary of the invention
Goal of the invention of the invention is provided to overcome the shortcomings of that guarantor's power supply technique in the prior art must have a power failure
A kind of seamless electricity connection method.
To achieve the goals above, the invention adopts the following technical scheme:
A kind of seamless electricity connection method, includes the following steps:
(1-1) dresses safety device
Operating personnel matches hard hat required at all times, wears insulating glove and outer layer Anti-thorn gloves, puts on arc protection clothes, puts on eye protection
Mirror;
(1-2) cable lays, detects
Operating personnel lays generator car to user side low-voltage distribution cabinet flexible cable, carries out insulation to low pressure flexible cable and shakes
It surveys;
The access of (1-3) generator car side main loop cabling
Operating personnel checks low pressure flexible cable colour code, and corresponding generator car crab empty socket colour code by mutually accessing;
(1-4) user side major loop bus bar clamping connection enters;
(1-5) starts generating set
Operating personnel starts generating set, closes generating set gate out switch;
(1-6) pulls open user's power distribution cabinet low-pressure side incoming switch, pulls open user high-pressure side fuse, and operating personnel's verification is low
Press flexible cable colour code, corresponding generator car crab empty socket colour code by mutually accessing;
(1-7) user side minor loop bus bar clamping connection enters;
(1-8) closes user high-pressure side fuse, checks net-connected controller parameter, closes user's power distribution cabinet low-pressure side inlet wire
Switch;
It shuts down generating set operating personnel and pulls open generating set gate out switch.
The expansion of low pressure uninterrupted operation technology can be achieved in the present invention, enriches distribution upkeep operation means, is full service area
The application that do not have a power failure in domain, full voltage grade, full distribution type creates conditions.
Preferably, further including following steps after step (1-8):
Generating set user side primary and secondary circuit confluence wire clamp is shut down to remove;
Generator car side primary and secondary return cable is removed, operating personnel generator car crab blind plug from aviation socket by mutually pulling out
Out;
Low pressure flexible cable operating personnel is recycled by primary and secondary circuit, low pressure flexible cable is recycled to generator car.
Preferably, insulation resistance >=500 megaohm of low pressure flexible cable, insulating tool insulation resistance >=700 megaohm.
Preferably, step (1-4) includes the following steps: that operating personnel installs confluence wire clamp to user's low-voltage distribution cabinet
Outgoing line busbar, checks low pressure flexible cable colour code, and corresponding user's low-voltage distribution cabinet outgoing line busbar colour code is flexible by mutually access low pressure
Cable.
Preferably, step (1-7) includes the following steps: that operating personnel installs confluence wire clamp to user's low-voltage distribution cabinet
Incoming-line busbar, checks low pressure flexible cable colour code, and corresponding user's low-voltage distribution cabinet incoming-line busbar colour code is flexible by mutually access low pressure
Cable.
Therefore, the invention has the following beneficial effects: the expansions of achievable low pressure uninterrupted operation technology, enrich distribution inspection
Operation means are repaired, are created conditions for the application that do not have a power failure of full power supply area, full voltage grade, full distribution type.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of generating set and user's distribution system of the invention;
Fig. 2 to Fig. 8 is the flow chart of generating set access and dismounting of the invention.
Specific embodiment
The present invention will be further described with reference to the accompanying drawings and detailed description.
A kind of seamless electricity connection method, includes the following steps:
(1-1) dresses safety device
Operating personnel matches hard hat required at all times, wears insulating glove and outer layer Anti-thorn gloves, puts on arc protection clothes, puts on eye protection
Mirror;
(1-2) cable lays, detects
As shown in Figure 1, generating set and user's distribution system independently exist;Shown in Fig. 2, operating personnel lays power generation
Vehicle carries out insulation to low pressure flexible cable and shakes survey to user side low-voltage distribution cabinet flexible cable;The insulated electro of low pressure flexible cable
>=500 megaohms of resistance, insulating tool insulation resistance >=700 megaohm.
The access of (1-3) generator car side main loop cabling
As shown in figure 3, operating personnel checks low pressure flexible cable colour code, the corresponding empty socket colour code of generator car crabbing will be led back
Road low pressure flexible cable by mutually accessing generating set,
(1-4) user side major loop bus bar clamping connection enters;
As shown in figure 4, operating personnel will converge, wire clamp is installed to user's low-voltage distribution cabinet outgoing line busbar, and it is flexible to check low pressure
Cable color code, corresponding user's low-voltage distribution cabinet outgoing line busbar colour code is by mutually access low pressure flexible cable;
(1-5) starts generating set
Operating personnel starts generating set, closes generating set gate out switch;
As shown in figure 4, starting generating set, closes G1 switch, 2 operation detection user side low-pressure system of asynchronous switch-on controller
Whether voltage, frequency, phase are consistent with generating set, and if parameters are consistent, K2 automatic closing, generating set is grid-connected with alternating current
Operation;
(1-6) pulls open user's power distribution cabinet low-pressure side incoming switch, pulls open user high-pressure side fuse, and operating personnel's verification is low
Press flexible cable colour code, corresponding generator car crab empty socket colour code by mutually accessing;
As shown in figure 5, pulling open user's low-pressure side T1 switch and high-pressure side FU fuse, distribution transforming is replaced, at this time customer charge
It is transferred to generating set;
(1-7) user side minor loop bus bar clamping connection enters;
Operating personnel installs confluence wire clamp to user's low-voltage distribution cabinet incoming-line busbar, checks low pressure flexible cable colour code,
Corresponding user's low-voltage distribution cabinet incoming-line busbar colour code is by mutually access low pressure flexible cable;
As shown in fig. 6, distribution transforming replacement finish, operating personnel by minor loop low pressure flexible cable be respectively connected to generating set and
User's low-pressure side power distribution cabinet incoming-line busbar;
(1-8) closes user high-pressure side fuse, checks net-connected controller parameter, closes user's power distribution cabinet low-pressure side inlet wire
Switch;
It shuts down generating set operating personnel and pulls open generating set gate out switch;
As shown in fig. 7, user high-pressure side FU fuse is closed, 1 operation detection user side low pressure system of asynchronous switch-on controller
Whether voltage, frequency, the phase of uniting are consistent with generating set, if parameters are consistent, K1 automatic closing;As shown in figure 8, as every
Parameter unanimously closes user's low-pressure side T1 switch, and generating set is incorporated into the power networks again with alternating current at this time.
(1-9) is shut down generating set user side primary and secondary circuit confluence wire clamp and is removed;
Generator car side primary and secondary return cable is removed, operating personnel generator car crab blind plug from aviation socket by mutually pulling out
Out;
It recycles low pressure flexible cable operating personnel and primary and secondary circuit low pressure flexible cable is recycled to generator car.
As shown in Figure 1, shutting down generating set, G1 switch is pulled open, the master between generating set and user's low-voltage distribution cabinet is removed
Circuit, minor loop low pressure flexible cable, customer charge is terminated by mains-supplied, operation at this time.
It should be understood that this embodiment is only used to illustrate the invention but not to limit the scope of the invention.In addition, it should also be understood that,
After having read the content of the invention lectured, those skilled in the art can make various modifications or changes to the present invention, these etc.
Valence form is also fallen within the scope of the appended claims of the present application.
Claims (5)
1. a kind of seamless electricity connection method, characterized in that include the following steps:
(1-1) dresses safety device
Operating personnel matches hard hat required at all times, wears insulating glove and outer layer Anti-thorn gloves, puts on arc protection clothes, puts on goggles;
(1-2) cable lays, detects
Operating personnel lays generator car to user side low-voltage distribution cabinet flexible cable, carries out insulation to low pressure flexible cable and shakes survey;
The access of (1-3) generator car side main loop cabling
Operating personnel checks low pressure flexible cable colour code, and corresponding generator car crab empty socket colour code by mutually accessing;
(1-4) user side major loop bus bar clamping connection enters;
(1-5) starts generating set
Operating personnel starts generating set, closes generating set gate out switch;
(1-6) pulls open user's power distribution cabinet low-pressure side incoming switch, pulls open user high-pressure side fuse, it is soft that operating personnel checks low pressure
Property cable color code, corresponding generator car crab empty socket colour code by mutually accessing;
(1-7) user side minor loop bus bar clamping connection enters;
(1-8) closes user high-pressure side fuse, checks net-connected controller parameter, closes user's power distribution cabinet low-pressure side inlet wire and open
It closes;
It shuts down generating set operating personnel and pulls open generating set gate out switch.
2. seamless electricity connection method according to claim 1, characterized in that further include following steps after step (1-8):
Generating set user side primary and secondary circuit is shut down, confluence wire clamp is removed;
Generator car side primary and secondary return cable is removed, operating personnel generator car crab blind plug from aviation socket by mutually extracting;
It recycles low pressure flexible cable operating personnel and primary and secondary circuit low pressure flexible cable is recycled to generator car.
3. seamless electricity connection method according to claim 1, characterized in that the insulation resistance of low pressure flexible cable >=500,000,000
Europe, insulating tool insulation resistance >=700 megaohm.
4. seamless electricity connection method according to claim 1, characterized in that step (1-4) includes the following steps: operating personnel
Confluence wire clamp is installed to user's low-voltage distribution cabinet outgoing line busbar, low pressure flexible cable colour code, corresponding user's low-voltage distribution are checked
Cabinet outgoing line busbar colour code is by mutually access low pressure flexible cable.
5. seamless electricity connection method according to claim 1 or 2 or 3 or 4, characterized in that step (1-7) includes following step
Rapid: operating personnel installs confluence wire clamp to user's low-voltage distribution cabinet incoming-line busbar, low pressure flexible cable colour code is checked, to application
Family low-voltage distribution cabinet incoming-line busbar colour code is by mutually access low pressure flexible cable.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CN201810893991.9A CN109462276A (en) | 2018-08-07 | 2018-08-07 | Seamless electricity connection method |
Applications Claiming Priority (1)
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CN201810893991.9A CN109462276A (en) | 2018-08-07 | 2018-08-07 | Seamless electricity connection method |
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Publication Number | Publication Date |
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CN109462276A true CN109462276A (en) | 2019-03-12 |
Family
ID=65606328
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CN201810893991.9A Pending CN109462276A (en) | 2018-08-07 | 2018-08-07 | Seamless electricity connection method |
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Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN111162605A (en) * | 2020-01-21 | 2020-05-15 | 杭州之江开关股份有限公司 | Low-voltage transformer area uninterrupted switching system and method based on mobile power generation car |
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US20050018460A1 (en) * | 2003-07-11 | 2005-01-27 | Tai-Jou Chen | Method and apparatus for implementing same phase power supply scheme |
CN203504201U (en) * | 2013-10-14 | 2014-03-26 | 杭州瑞泉贸易有限公司 | Twice grid-connected power generation car control system capable of seamlessly switching power supply |
CN103812041A (en) * | 2014-02-21 | 2014-05-21 | 国网湖南省电力公司带电作业中心 | Method for overhauling ring main unit of 10kV cable circuit without switching power supply off |
CN104079065A (en) * | 2014-07-11 | 2014-10-01 | 云南电网公司带电作业分公司 | Method for making mobile power generation system be connected into power grid for operation in synchronous grid connection mode |
CN104158103A (en) * | 2014-09-04 | 2014-11-19 | 国家电网公司 | Quick-repairing method for urban power distribution room |
-
2018
- 2018-08-07 CN CN201810893991.9A patent/CN109462276A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20050018460A1 (en) * | 2003-07-11 | 2005-01-27 | Tai-Jou Chen | Method and apparatus for implementing same phase power supply scheme |
CN203504201U (en) * | 2013-10-14 | 2014-03-26 | 杭州瑞泉贸易有限公司 | Twice grid-connected power generation car control system capable of seamlessly switching power supply |
CN103812041A (en) * | 2014-02-21 | 2014-05-21 | 国网湖南省电力公司带电作业中心 | Method for overhauling ring main unit of 10kV cable circuit without switching power supply off |
CN104079065A (en) * | 2014-07-11 | 2014-10-01 | 云南电网公司带电作业分公司 | Method for making mobile power generation system be connected into power grid for operation in synchronous grid connection mode |
CN104158103A (en) * | 2014-09-04 | 2014-11-19 | 国家电网公司 | Quick-repairing method for urban power distribution room |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
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CN111162605A (en) * | 2020-01-21 | 2020-05-15 | 杭州之江开关股份有限公司 | Low-voltage transformer area uninterrupted switching system and method based on mobile power generation car |
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Application publication date: 20190312 |