CN105319466B - A kind of middle pressure electric equipment simulation live testing test method - Google Patents
A kind of middle pressure electric equipment simulation live testing test method Download PDFInfo
- Publication number
- CN105319466B CN105319466B CN201510703084.XA CN201510703084A CN105319466B CN 105319466 B CN105319466 B CN 105319466B CN 201510703084 A CN201510703084 A CN 201510703084A CN 105319466 B CN105319466 B CN 105319466B
- Authority
- CN
- China
- Prior art keywords
- generating equipments
- generating
- transformer
- grid
- equipments
- 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.)
- Active
Links
- 238000012360 testing method Methods 0.000 title claims abstract description 55
- 238000004088 simulation Methods 0.000 title claims abstract description 18
- 238000010998 test method Methods 0.000 title claims abstract description 14
- 238000002474 experimental method Methods 0.000 claims abstract description 21
- 238000010586 diagram Methods 0.000 claims description 17
- 238000007689 inspection Methods 0.000 claims description 11
- 238000000034 method Methods 0.000 claims description 7
- 210000004209 hair Anatomy 0.000 claims description 5
- 238000011990 functional testing Methods 0.000 abstract description 3
- 230000002441 reversible effect Effects 0.000 abstract description 3
- 230000005611 electricity Effects 0.000 description 8
- 238000005259 measurement Methods 0.000 description 7
- 238000009413 insulation Methods 0.000 description 6
- 238000012790 confirmation Methods 0.000 description 4
- 238000000819 phase cycle Methods 0.000 description 4
- 239000002826 coolant Substances 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 230000009466 transformation Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 2
- 238000005336 cracking Methods 0.000 description 2
- 239000002283 diesel fuel Substances 0.000 description 2
- 239000010721 machine oil Substances 0.000 description 2
- 239000003921 oil Substances 0.000 description 2
- 235000006508 Nelumbo nucifera Nutrition 0.000 description 1
- 240000002853 Nelumbo nucifera Species 0.000 description 1
- 235000006510 Nelumbo pentapetala Nutrition 0.000 description 1
- 238000013461 design Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000006641 stabilisation Effects 0.000 description 1
- 238000011105 stabilization Methods 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
- G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
Landscapes
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Supply And Distribution Of Alternating Current (AREA)
Abstract
A kind of middle pressure electric equipment simulation live testing test method.It is related to a kind of middle pressure electric equipment simulation live testing test method.Providing one kind need not especially put on record application, and program is simple, and the low middle pressure electric equipment carried out of being simulated by line of expense simulates live testing test method.Testing equipment includes 10KV generating equipments one to be measured, 10KV generating equipments two to be measured, transformer, 400V generating equipments and load cabinet, and the unit band that the test method includes carrying out successively carries grid-connected experiment, unit and secondary grid connection test and simultaneously machine is grid-connected and secondary grid connection test.The mobile transformer of reversible operation is used in the present invention, mesohigh simulating grid is set up under civil power 400v voltage conditions in a short time, complete the functional test of mesohigh generating equipment, avoid this shortcoming of feature hidden danger existing for mesohigh generating equipment, improve the security of operation, fault rate is reduced, while reduces experimentation cost, there is very strong practicality.
Description
Technical field
The present invention relates to one kind to simulate live testing test method, more particularly to a kind of middle pressure electric equipment simulation band electrical measurement
Try test method.
Background technology
With the development of the social economy, requirement more and more higher of the people to power quality, the maintenance of some power equipments and
Maintenance can go to carry out in the case of powered, but the replacing of some power equipments needs original institute's on-load being transferred to other
Power supply gets on, if institute's more exchange device nearby has All other routes to use, bypass Live line maintenance method can be selected to go to turn for negative
Lotus, if without the circuit that other can be selected, can be gone with some movements or fixed generating equipments to it is required more
The line load power supply of power equipment is changed, when using generating equipment power supply, in order to ensure that load does not power off, it is desirable to generating equipment
With certain specific function, as unit is grid-connected and secondary grid-connected, and machine is grid-connected and the secondary function such as grid-connected.400v and following
For generating equipment in manufacturer after this kind of generating equipment is produced, functional experiment of generating equipment can by city's electrical analogue
To carry out, but the experiment of more than 400v generating equipment specific function cannot use the circuit of the voltage class of civil power to be sent out
The functional simulated test of electric equipment, carrying out the experiment of more than 400v generating equipment specific function needs application of especially putting on record,
Simulation test field is set up, carries out simulation live testing, requisition procedure is cumbersome, and the construction cost of test site is also higher.
The content of the invention
The present invention is directed to problem above, there is provided a kind of in no middle pressure and above circuit, it is not necessary to special
Do not put on record application, program is simple, and expense is low to be simulated the middle pressure electric equipment carried out by line and simulate live testing and try
Proved recipe method.
The technical scheme is that：
Testing equipment includes 10KV generating equipments one to be measured, 10KV generating equipments two to be measured, transformer, 400V hairs
Electric equipment and load cabinet, it is characterised in that the test method includes the unit band that carries out successively, and to carry experiment, unit grid-connected and two
Secondary grid connection test and and machine is grid-connected and secondary grid connection test.
The unit band carries experiment and operated as follows：
1）Required testing equipment is electrically connected by wiring diagram；
2）Safety inspection before being tested；
3）Start 10KV generating equipments one, powered after normal operation to transformer；
4）Operate and run transformer；
5）After confirming load blower fan normal operation, the no-load running of 10KV generating equipments one, recording parameters are carried out；
6）Service load cabinet, make 10KV generating equipment half carrying rows, recording parameters；
7）Service load cabinet, make the full-load run of 10KV generating equipments one, recording parameters；
8）Experiment is completed, and removes load cabinet, transformer and 10KV generating equipments one successively.
The unit is grid-connected and secondary grid connection test operates as follows：
1）Required testing equipment is electrically connected by wiring diagram；
2）Safety inspection before being tested；
3）Start 400V generating equipments, powered after normal operation to transformer；
4）Transformer inverted running so that the high-pressure side of transformer forms simulating grid；
5）Service load cabinet so that carried on the simulating grid and load and record operational factor；
6）Start 10KV generating equipments one, after the 10KV generating equipments one are stable by 10KV generating equipments in the lump
Enter the simulating grid operation, carry out unit grid connection test and recording parameters；
7）The simulation net is disconnected, is powered to the load by 10KV generating equipments one；
8）Start 10KV generating equipments two, be incorporated to 10KV generating equipments two after 10KV generating equipments two are stable
10KV generating equipments one are run, and carry out the secondary grid connection test of unit and recording parameters；
9）Experiment is completed, and disconnecting consumers cabinet simultaneously carries out cable discharge work.
Described and machine is grid-connected and secondary grid connection test operates as follows：
1）Required testing equipment is electrically connected by wiring diagram；
2）Safety inspection before being tested；
3）Start 400V generating equipments, powered after normal operation to transformer；
4）Transformer inverted running so that the high-pressure side of transformer forms simulating grid；
5）Service load cabinet so that carried on the simulating grid and load and record operational factor；
6）Start 10kv generating equipments two, after the 10kv generating equipments two operate steadily, the 10kv is generated electricity and set
Standby two are incorporated to the simulating grid operation；
7）Start 10kv generating equipments one, after the 10kv generating equipments one operate steadily, the 10kv is generated electricity and set
Standby one is incorporated to the simulating grid operation, realizes generating equipment one, generating equipment two and simulating grid and machine is incorporated into the power networks；
8）Simulation net is disconnected, is loaded by 10kv generating equipments one and 10kv generating equipments two and machine power supply；
9）Service load case, disconnecting consumers, cable is discharged and switches output cable；
10）Start 400v generating equipments, treat that the 400v generating equipments stablize backward transformer power supply；
11）Start transformer, the high-pressure side of the transformer is formed a simulating grid；
12）Service load case, make to load on the simulating grid band, and record operational factor；
13）Start 10kv generating equipments one, after operating steadily, it is grid-connected that startup 10kv generating equipments two carry out secondary and machine
Test and record operational factor；
14）Experiment is completed, and exits secondary and machine grid-connect mode, and disconnecting consumers cabinet, 400v generating equipments, 10kv generate electricity successively
Equipment one, 10kv generating equipments two；
15）Discharge process is carried out to cable, cable is removed, finishes.
The on-line operation functional trial of existing mesohigh generating equipment generally requires application of especially putting on record, sets up simulation
Test site, simulation live testing is carried out, requisition procedure is cumbersome, and the construction cost of test site is also higher, some productions
Producer thinks cost-effective, dislikes trouble and does not do experiment even, and the mobile transformer of reversible operation is used in the present invention, can be in short-term
It is interior that mesohigh simulating grid is set up under civil power 400v voltage conditions, the functional test of mesohigh generating equipment is completed,
This shortcoming of feature hidden danger existing for untested mesohigh generating equipment, improves mesohigh equipment before effectively avoiding
The security of operation, reduces the fault rate of mesohigh equipment, while reduces the experimentation cost of mesohigh generating equipment, has
Very strong practicality.
Brief description of the drawings
Fig. 1 is the electrical schematic diagram that unit band carries experiment in the present invention,
Fig. 2 is that unit is grid-connected and the electrical schematic diagram of secondary grid connection test in the present invention,
Fig. 3 is in the present invention and machine is grid-connected and the electrical schematic diagram of secondary grid connection test.
Embodiment
As Figure 1-3, carry out functional trial testing equipment includes 10KV generating equipments one to be measured, to be measured to the present invention
10KV generating equipments two, transformer, 400V generating equipments and load cabinet.The unit band that test method includes carrying out successively carries
Experiment, unit be grid-connected and secondary grid connection test and simultaneously machine is grid-connected and secondary grid connection test.
It is as shown in Figure 1 to carry the electrical schematic diagram tested for unit band in the present invention.By electrical schematic diagram by required testing equipment
It is electrically connected.I.e. by one of which output connector and transformer corresponding to 10kv generating equipments one, 2# outgoing line cabinets
In looped network output connector corresponding with transformer case breaker be attached, the connection is attached using flexible cable；
Output connector corresponding to 1# wire-outgoing breakers in transformer and 2# wire-outgoing breakers is connected to the same of load device
At attachment means；The earth point of 10kv generating equipments one and transformer earth point are connected to grounded screen with ground wire respectively.
Safety inspection before being tested.Check whether the tie point of wiring is correct, and whether phase sequence is correct, and checks
Whether 1# inlet wires cabinet breaker and 3# outlets cabinet breaker are off in 10kv generating equipments one.Check in transformer
Whether looped network goes out cabinet breaker, transformer case breaker, main breaker, 1# wire-outgoing breakers and 2# wire-outgoing breakers in disconnection
State, off-state is not arrived in the breaker of off-state, at any time operation；Check respectively for be in the power module of 10kv generating equipments one
No to have foreign matter, whether cable connection fastens, and carries out insulation measurement to it；Check respectively for whether transformer and transformer case have
Whether foreign matter, cable connection fasten, and carry out insulation measurement to it；Check whether whole experimental rig ground wire connection fastens,
And measure its grounding resistance with earth resistance tester, it is ensured that whole system grounding resistance is less than 4 ohm；Check generating set bavin
Whether oil, machine oil and coolant are in normal condition.
Start 10KV generating equipments one, powered after normal operation to transformer.Start 10kv generating equipments one, wait hair
After group of motors is stable, by IG modules on machine set control cabinet, generating voltage is confirmed, whether frequency reaches design requirement, after normal
IG control module GCB buttons are operated, close the 1# inlet wire cabinet breakers of 10kv generating equipments, by above 1# inlet wires cabinet breaker
Instrument, confirm whether breaker closing normal, close a floodgate it is normal after carry out next step operation.
Operate and run transformer.Operate and run transformer, confirm that 10kv generating equipments one are sent out by electroscope
Whether electricity arrive the lower mouth that transformer looped network goes out cabinet breaker, confirms after reaching looped network in closure transformer and offers for sale open circuit
Transformer case breaker in device and transformer, transformer charging operation, check that step down side output voltage and frequency are
It is no normal, after confirmation is errorless, main breaker in transformer low-voltage cabinet is closed, open circuit is exported to two-way branch respectively on low-voltage cabinet
Device, direct output mode is selected, close 1# wire-outgoing breakers and 2# wire-outgoing breakers in transformer low-voltage cabinet.
Confirm after loading blower fan normal operation in load cabinet, carry out the zero load of 10KV generating equipments one（Not bringing onto load）Fortune
OK, recording parameters.
Service load cabinet, make 10KV generating equipment half carrying rows, recording parameters.That is service load cabinet, 10kv is generated electricity
The band of equipment one is downloaded to semi-load, and is run by standard hour of operation, observes the running status of unit, and carries out relevant parameter record.
Service load cabinet, make the full-load run of 10KV generating equipments one, recording parameters.That is service load cabinet, 10kv is generated electricity
The band of equipment one be downloaded to it is fully loaded, and by standard hour of operation run, observe the running status of unit, and carry out relevant parameter record.
Experiment is completed, and removes load cabinet, transformer and 10KV generating equipments one successively.That is service load chamber, will
101# generating equipments institute bringing onto load is all laid down, no-load running 5min.Then 1# outlets in transformer are operated sequentially respectively
Breaker, 2# wire-outgoing breakers and main breaker separating brake, transformer case breaker and looped network in ring main unit are offerd for sale open circuit respectively
Device separating brake, transformer are out of service.The IG control module GCB buttons of 10kv generating equipments one are operated, by 1# inlet wire cabinet breakers
Disconnect, by stop botton in IG modules, generating set is shut down.After the shutdown of 10kv generating equipments one, by 10kv generating equipments one
1# incoming line cabinet breaker closings, be respectively closed looped network and go out ground connection in cabinet breaker and transformer at transformer case breaker
Disconnecting link, whole experiment primary circuit is discharged, after discharge off, disconnects 1# inlet wire cabinet breakers, and be each turned off looped network
Go out the grounding switch at transformer case breaker in cabinet breaker and transformer, cable is removed, arrange, tidy up existing
, unit band carries experiment and finished.
Unit is grid-connected in the present invention and the electrical schematic diagram of secondary grid connection test is as shown in Figure 2.By electrical schematic diagram by institute
Testing equipment is needed to be electrically connected.By one of which output connector corresponding to the 2# outgoing line cabinets of 10kv generating equipments one with
Go out with looped network the corresponding looped network output connector of cabinet breaker in transformer to be attached, by the 3# of 10kv generating equipments one
The one of which output connection corresponding with the 2# outgoing line cabinets of 10kv generating equipments two of one group of output connector corresponding to outgoing line cabinet
Device is connected, and output connector corresponding to 1# wire-outgoing breakers in transformation device is connected to the attachment means of load device
Place, the main output of 400v generating equipments is connected at the attachment means of load device；Connection uses to be connected using flexible cable
Connect；By the earth point of 110kv generating equipments one, the earth point of 10kv generating equipments two, 400v generating equipments earth point and power transformation
Equipment ground point is connected to grounded screen with ground wire respectively.
Safety inspection before being tested.The safety inspection is to check that the tie point of connecting line is according to electrical schematic diagram
Whether no correct and phase sequence is correct, and checks 1# incoming line cabinets open circuit in 10kv generating equipments one and 102#, 10kv generating equipment two
Whether device, 3# outlets cabinet breaker and outlet cabinet breaker are off；Whether the main circuit breaker in 400v generating equipments
It is off；Looped network offers for sale breaker, transformer case breaker, main breaker and 1# wire-outgoing breakers etc. in transformer
Whether breaker is off, and does not operate off-state at any time in the breaker of off-state；Check respectively for 10kv hairs
Electric equipment one, 10kv generating equipments two and 400v generating equipments, whether there is foreign matter in power module, whether cable connection fastens, and
Insulation measurement is carried out to it；Transformer is checked respectively for, whether transformer room has foreign matter, and whether cable connection fastens, and to it
Carry out insulation measurement；Check whether the ground wire connection of whole experimental rig fastens, and with earth resistance tester, measure its ground connection
Resistance, it is ensured that whole system grounding resistance is less than 4 ohm；Generating set diesel oil, machine oil are checked, whether coolant is in normal shape
State.
Start 400V generating equipments, after waiting generating set stable, its generating voltage and frequency are checked by unit allocation screen
It is whether correct, after confirming normally, the main circuit breaker of closure hair 400v generating equipments, to change after 400v generating equipment normal operations
Electric equipment is powered.
Transformer inverted running, manual closing transformer 1# wire-outgoing breakers and main breaker, check low-voltage bus bar
Electric parameter, after confirmation is errorless, closes transformer transformer case breaker and looped network goes out cabinet breaker so that transformer
High-pressure side forms simulating grid；
Service load cabinet so that carried on the simulating grid and load and record operational factor.
Functional switch instruction area's main frame/slave knob of the 10KV generating equipments one is placed in position of host machine, started
10KV generating equipments one, after the 10KV generating equipments one are stable, check whether generating voltage and frequency are normal, confirm
After errorless, IG module GCB buttons are operated, 1# breakers in 10KV generating equipments one is closed automatically after detecting synchronization, sends out 10KV
Electric equipment one is incorporated into the power networks, and carries out relevant parameter record.
It is incorporated into the power networks after 5 minutes, disconnects 400v generating equipment main circuit breakers, and 400v generating equipments are shut down, simulates net
Disconnect, load and powered by 10KV generating equipments one.
Start 10KV generating equipments two, after 10KV generating equipments two are stable, whether just to check generating voltage, frequency
Often, confirm it is errorless after, press the IG controller GCB buttons in 10KV generating equipments two, the breaker closing of 10KV generating equipments two,
MGCB buttons on IM controllers are pressed in 10KV generating equipments one, then press MCB buttons, 10KV generating equipments one are closed after the same period
3# outlet cabinet breakers, 10KV generating equipments two are incorporated to 10KV generating equipments one and run 5 minutes, and carry out relevant parameter note
Record.
Disconnecting consumers cabinet, the MGCB buttons on the IM controllers of 10KV generating equipments one are pressed, press 10KV generating equipments one
GCB buttons on IG controllers, 1# incoming line cabinet breaker open operations in 10KV generating equipments one, press the MCB buttons in IM modules, 3#
Outgoing line cabinet breaker open operation, grid-connected cracking；Operate the GCB buttons on the IG controllers of 10KV generating equipments two, 10KV generating equipments
Two breakers are disconnected, and operate the stop botton of 10KV generating equipments one and 10KV generating equipments two respectively, and two generating equipments are stopped
Machine；Cable discharge, and remove, the total power switch of 10KV generating equipments one and the operating mechanism of 10KV generating equipments two, close manually
Close all breakers in 10KV generating equipments one and 10KV generating equipments two, disconnect looped network in transformer offer for sale breaker and
Transformer case breaker, the grounding switch for respectively going out looped network at cabinet breaker and transformer case breaker are grounded, all cables
Electric discharge completely, cable is reversely removed by access step, unit is grid-connected and secondary grid connection test end of operation.
The present invention and machine is grid-connected and secondary grid connection test electrical schematic diagram is as shown in Figure 3.By electrical schematic diagram by required examination
Equipment is tested to be electrically connected.I.e. by one group of output connector and transformer corresponding to the 3# outgoing line cabinets of 10KV generating equipments one
In go out the corresponding looped network output connector of cabinet breaker with looped network and be attached, the 2# outgoing line cabinets of 10KV generating equipments one is corresponding
The connection of one group of output connector corresponding with the 2# outgoing line cabinets of 10KV generating equipments two one of which output connector, will become
Output connector corresponding to 1# wire-outgoing breakers is connected at the attachment means of load device in electric installation, and the 400v is sent out
The main output of electric equipment is connected at the attachment means of load cabinet；The connection uses to be attached using flexible cable；By 10KV
The earth point of generating equipment one, the earth point of 10KV generating equipments two, 400v generating equipment earth points and transformer earth point
Respectively grounded screen is connected to ground wire.
Safety inspection before being tested.The safety inspection is to check that the tie point of connecting line is according to electrical schematic diagram
No correct, whether phase sequence is correct, and checks whether each breaker is off, not in the breaker of off-state, at any time
Operate off-state；In the power module for checking respectively for 10KV generating equipments one, 10KV generating equipments two and 400v generating equipments
Whether foreign matter is had, and whether cable connection fastens, and carries out insulation measurement to it；Check respectively for whether having foreign matter in transformer,
Whether cable connection fastens, and carries out insulation measurement to it；Check whether the ground wire connection of whole experimental rig fastens, and with connecing
Ground resistance tester, measure its grounding resistance, it is ensured that whole system grounding resistance is less than 4 ohm；Check generating set diesel oil, machine
Whether oil, coolant are in normal condition.
Start 400V generating equipments, after normal operation, check whether its generating voltage and frequency are correct by control flow, really
After recognizing normally, the main circuit breaker of 400V generating equipments is closed, is powered to transformer；
Transformer inverted running, manual closing transformer 1# wire-outgoing breakers, the total of manual closing transformer are broken
Road device, check low-voltage bus bar electric parameter, confirm it is errorless after, close transformer transformer case breaker and looped network and offer for sale open circuit
Device so that the high-pressure side of transformer forms simulating grid；
Service load cabinet so that carried on the simulating grid and load and record operational factor；
Start 10kv generating equipments two, after the 10kv generating equipments two operate steadily, by the 10kv generating equipments
Two are incorporated to the simulating grid operation.Main frame/slave knob that the functional switch of 10KV generating equipments one is indicated into area manually is put
In slave position, the functional switch of 10KV generating equipments two is indicated into area manually, main frame/slave knob is placed in position of host machine, starts
10KV generating equipments two, after unit operates steadily, check whether generating voltage and frequency are normal, after confirmation is errorless, operation
The IG module GCB buttons of 10kv generating equipments two, 1# inlet wire cabinet breakers in 10kv generating equipments two are closed automatically after detecting synchronization,
10kv generating equipments two are incorporated into the power networks.
Start 10kv generating equipments one, after the 10kv generating equipments one operate steadily, check generating voltage and frequency
Whether normal, after confirmation is errorless, the IG module GCB buttons of operation 10kv generating equipments one, automatic closure 10kv is sent out after detecting synchronization
1# inlet wires cabinet breaker in electric equipment one, 10kv generating equipments one and 10kv generating equipments two and machine are incorporated into the power networks, and realize and generate electricity
Simultaneously machine is incorporated into the power networks for equipment one, generating equipment two and simulating grid, and carries out relevant parameter record.
And machine was incorporated into the power networks after 5 minutes, 400v generating equipment main circuit breakers are disconnected, and generating set is shut down, simulate net
Disconnect, load by 10kv generating equipments one and 10kv generating equipments two and machine power supply.
Service load case, disconnecting consumers, cable is discharged and switches output cable.10kv generating equipments are disconnected manually
One 3# outlet cabinet breakers, disconnect transformer looped network and go out cabinet breaker, looped network is gone out into grounding switch at cabinet breaker be placed in connect
Position, bypass cable is discharged, pulls up the 3# outlet cabinet breakers of 10kv generating equipments one and correspond to cable at connector,
Cable is accessed corresponding to the 3# outlet cabinet breakers of 10kv generating equipments two at connector, by transformer looped network according to phase sequence
Go out grounding switch at cabinet breaker to disconnect, disconnect transformer main breaker.
Start 400v generating equipments, after the 400v generating equipments are stable, whether just to check its generating voltage and frequency
Really, after confirming normally, 400v generating equipment main circuit breakers are closed, are powered to transformer.
Start transformer, the main breaker of manual closing transformer, check low-voltage bus bar electric parameter, confirm errorless
Afterwards, after closure transformer looped network goes out the generating set stabilization such as cabinet breaker, high-pressure side one mould of composition of transformer, make described
The high-pressure side of transformer forms a simulating grid；
Service load case, make to load on the simulating grid band, and record operational factor；
Start 10kv generating equipments one, after operating steadily, start 10kv generating equipments two and carry out the grid-connected examination of secondary and machine
Test.I.e. by 10kv generating equipments two, under the 3# outlet cabinet breakers of observation 10kv generating equipments two, just whether mouth voltage, frequency
Often, confirm it is errorless after, press in 10kv generating equipments two MGCB buttons on IM controllers, then press MCB buttons, closed after the same period
The 3# outlet cabinet breakers of 10kv generating equipments two, simultaneously machine is grid-connected again with 10kv generating equipments two for 101# 10kv generating equipments one
Operation.And machine is incorporated into the power networks 5 minutes, relevant parameter record is carried out.
Experiment is completed, and exits secondary and machine grid-connect mode, and disconnecting consumers cabinet, 400v generating equipments, 10kv generate electricity and set successively
Standby one, 10kv generating equipments two.That is service load cabinet, grid-connected institute's bringing onto load is laid down, presses the IM controllers of 110kv generating equipments two
On MGCB buttons, press GCB buttons on the IG controllers of 10kv generating equipments two, 1# incoming line cabinets open circuit in 10kv generating equipments one
Device separating brake, press the MCB buttons in the IM modules of 10kv generating equipments two, 3# outgoing line cabinet breaker open operations, and the grid-connected cracking of machine.
Simulation net is disconnected, disconnects the main circuit breaker of 400v generating equipments, and generating set is shut down, simulation net disconnects.Point
Not Cao Zuo 10kv generating equipments one and 10kv generating equipments two stop botton, make 10kv generating equipments one and 10kv generating equipments
Two shut down.
Discharge process is carried out to cable, removes cable.Disconnect 10kv generating equipments one and 10kv generating equipments two operate machine
The total power switch of structure, all breakers in manual closing 10kv generating equipments one and 10kv generating equipments two, disconnect power transformation and set
Standby middle looped network is offerd for sale breaker and transformer case breaker, and looped network is gone out into connecing at cabinet breaker and transformer case breaker respectively
Ground disconnecting link ground connection, all cables are discharged completely, and cable is reversely removed by access step, and tidy up scene, and machine is grid-connected and secondary
Grid connection test end of operation.Middle pressure electric equipment simulation live testing finishes.
The transformer of reversible operation is used in the present invention, mesohigh generating is completed under civil power 400v voltage conditions
The functional test of equipment, effectively avoiding feature hidden danger existing for former untested mesohigh generating equipment, this is lacked
Point, the security of mesohigh equipment operation is improved, reduces the fault rate of mesohigh equipment, while reduce mesohigh generating
The experimentation cost of equipment, there is very strong practicality.
Claims (3)
1. a kind of middle pressure electric equipment simulation live testing test method, testing equipment used include 10KV generating equipments to be measured
First, 10KV generating equipments two to be measured, transformer, 400V generating equipments and load cabinet, it is characterised in that the test method
Grid-connected experiment, unit and secondary grid connection test are carried including the unit band that carries out successively and simultaneously machine is grid-connected and secondary grid connection test；
The unit is grid-connected and secondary grid connection test operates as follows：
1）Required testing equipment is electrically connected by wiring diagram；
2）Safety inspection before being tested；
3）Start 400V generating equipments, powered after normal operation to transformer；
4）Transformer inverted running so that the high-pressure side of transformer forms simulating grid；
5）Service load cabinet so that carried on the simulating grid and load and record operational factor；
6）Start 10KV generating equipments one, 10KV generating equipments one are incorporated to institute after the 10KV generating equipments one are stable
Simulating grid operation is stated, carries out unit grid connection test and recording parameters；
7）The simulating grid is disconnected, is powered to the load by 10KV generating equipments one；
8）Start 10KV generating equipments two, 10KV generating equipments two are incorporated to 10KV hairs after 10KV generating equipments two are stable
Electric equipment one is run, and carries out the secondary grid connection test of unit and recording parameters；
9）Experiment is completed, and disconnecting consumers cabinet simultaneously carries out cable discharge work.
2. a kind of middle pressure electric equipment simulation live testing test method according to claim 1, it is characterised in that described
Unit band carries experiment and operated as follows：
1）Required testing equipment is electrically connected by wiring diagram；
2）Safety inspection before being tested；
3）Start 10KV generating equipments one, powered after normal operation to transformer；
4）Operate and run transformer；
5）After confirming load blower fan normal operation, the no-load running of 10KV generating equipments one, recording parameters are carried out；
6）Service load cabinet, make 10KV generating equipment half carrying rows, recording parameters；
7）Service load cabinet, make the full-load run of 10KV generating equipments one, recording parameters；
8）Experiment is completed, and removes load cabinet, transformer and 10KV generating equipments one successively.
3. a kind of middle pressure electric equipment simulation live testing test method according to claim 1, it is characterised in that described
And machine is grid-connected and secondary grid connection test operates as follows：
1）Required testing equipment is electrically connected by wiring diagram；
2）Safety inspection before being tested；
3）Start 400V generating equipments, powered after normal operation to transformer；
4）Transformer inverted running so that the high-pressure side of transformer forms simulating grid；
5）Service load cabinet so that carried on the simulating grid and load and record operational factor；
6）Start 10kv generating equipments two, after the 10kv generating equipments two operate steadily, by the 10kv generating equipments two
It is incorporated to the simulating grid operation；
7）Start 10kv generating equipments one, after the 10kv generating equipments one operate steadily, by the 10kv generating equipments one
The simulating grid operation is incorporated to, generating equipment one, generating equipment two and simulating grid is realized and machine is incorporated into the power networks；
8）Simulation net is disconnected, is loaded by 10kv generating equipments one and 10kv generating equipments two and machine power supply；
9）Service load case, disconnecting consumers, cable is discharged and switches output cable；
10）Start 400v generating equipments, treat that the 400v generating equipments stablize backward transformer power supply；
11）Start transformer, the high-pressure side of the transformer is formed a simulating grid；
12）Service load case, make to load on the simulating grid band, and record operational factor；
13）Start 10kv generating equipments one, after operating steadily, start 10kv generating equipments two and carry out secondary and machine grid connection test
And record operational factor；
14）Experiment is completed, and exits secondary and machine grid-connect mode, successively disconnecting consumers cabinet, 400v generating equipments, 10kv generating equipments
First, 10kv generating equipments two；
15）Discharge process is carried out to cable, cable is removed, finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703084.XA CN105319466B (en) | 2015-10-26 | 2015-10-26 | A kind of middle pressure electric equipment simulation live testing test method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510703084.XA CN105319466B (en) | 2015-10-26 | 2015-10-26 | A kind of middle pressure electric equipment simulation live testing test method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN105319466A CN105319466A (en) | 2016-02-10 |
| CN105319466B true CN105319466B (en) | 2017-12-29 |
Family
ID=55247294
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510703084.XA Active CN105319466B (en) | 2015-10-26 | 2015-10-26 | A kind of middle pressure electric equipment simulation live testing test method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN105319466B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106787137B (en) * | 2016-12-26 | 2023-06-30 | 徐州海伦哲专用车辆股份有限公司 | Intelligent control system for medium-voltage power supply vehicle for uninterrupted power supply |
| CN111064222A (en) * | 2019-12-20 | 2020-04-24 | 徐州海伦哲特种车辆有限公司 | Power supply vehicle parallel operation and multiple parallel operation system and operation method thereof |
| CN112510573B (en) * | 2020-09-29 | 2022-05-31 | 浙江大有实业有限公司带电作业分公司 | Outgoing cable overhauling method based on temporary mobile power supply application |
| CN113851990B (en) * | 2021-08-11 | 2024-07-19 | 浙江大有实业有限公司带电作业分公司 | Box-type transformer replacement method with low-voltage side completely uninterrupted power |
| CN115542146B (en) * | 2022-11-30 | 2023-03-24 | 南方电网调峰调频发电有限公司 | Method, device, equipment and medium for synchronously testing outlet switch device of generator set |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201667165U (en) * | 2008-12-11 | 2010-12-08 | 浙江天煌科技实业有限公司 | Factory electricity-supplying technical training device |
| CN102104258A (en) * | 2009-12-18 | 2011-06-22 | 中国海洋石油总公司 | Wind-driven generating set and offshore platform grid non-stop grid connection test system and method |
| CN104133465A (en) * | 2014-07-22 | 2014-11-05 | 中海网络科技股份有限公司 | Simulation testing device for ship high-voltage electricity |
| CN204089728U (en) * | 2014-06-30 | 2015-01-07 | 国家电网公司 | High aititude photovoltaic plant grid disturbance simulated testing system mobile detection apparatus |
| CN204347168U (en) * | 2015-01-30 | 2015-05-20 | 广东梅雁吉祥水电股份有限公司 | A kind of 10KV power supply grid analogue means |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP5843520B2 (en) * | 2011-08-15 | 2016-01-13 | 株式会社東芝 | Test apparatus and test method |
| JP6373019B2 (en) * | 2014-03-06 | 2018-08-15 | 九州電力株式会社 | Simulated power supply device and normal weighing confirmation device |
-
2015
- 2015-10-26 CN CN201510703084.XA patent/CN105319466B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN201667165U (en) * | 2008-12-11 | 2010-12-08 | 浙江天煌科技实业有限公司 | Factory electricity-supplying technical training device |
| CN102104258A (en) * | 2009-12-18 | 2011-06-22 | 中国海洋石油总公司 | Wind-driven generating set and offshore platform grid non-stop grid connection test system and method |
| CN204089728U (en) * | 2014-06-30 | 2015-01-07 | 国家电网公司 | High aititude photovoltaic plant grid disturbance simulated testing system mobile detection apparatus |
| CN104133465A (en) * | 2014-07-22 | 2014-11-05 | 中海网络科技股份有限公司 | Simulation testing device for ship high-voltage electricity |
| CN204347168U (en) * | 2015-01-30 | 2015-05-20 | 广东梅雁吉祥水电股份有限公司 | A kind of 10KV power supply grid analogue means |
Also Published As
| Publication number | Publication date |
|---|---|
| CN105319466A (en) | 2016-02-10 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN105319466B (en) | A kind of middle pressure electric equipment simulation live testing test method | |
| CN104101799B (en) | Modular distribution network dynamic simulation and terminal test integration system | |
| CN104297631B (en) | Failure diagnosis apparatus and diagnosis and repair method thereof for ring main unit distribution terminal | |
| CN100568011C (en) | Generator injected type stator ground protection combination type analog experiment panel and test method | |
| CN102279325B (en) | Ultra high voltage direct current (UHVDC) transmission engineering station system debugging method | |
| CN201540676U (en) | Factory power supply integrated automatic training device | |
| CN110854924B (en) | One-time voltage-on synchronous phase-checking linkage switching inspection system and inspection method for electrical system | |
| CN104483568B (en) | A kind of device for detecting stand-by power supply automatic switching | |
| CN107271899B (en) | A kind of test method of more specification voltage generating sets | |
| CN106383308A (en) | Charge control circuit breaker automatic breaking/closing test device | |
| CN108318766A (en) | Operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting | |
| CN104376767A (en) | Practical training platform device for handling typical low-voltage faults | |
| CN207066733U (en) | A kind of secondary conditioning device of switch cubicle mechanical characteristic test | |
| CN111161606A (en) | Spare power automatic switching simulation teaching screen and spare power automatic switching logic judgment method | |
| CN207946485U (en) | Operation vehicle for contact wire's AC power distribution cabinet/AC distribution panel device for fast detecting | |
| CN104142472B (en) | Support the intelligent high-pressure switch interlock logical checking method of IEC61850 stipulations | |
| CN204117459U (en) | Typical low pressure fault handling training platform device | |
| CN106885959B (en) | Test method for replacing short-circuit copper bar by grounding knife switch in power plant electric main start test | |
| CN206379635U (en) | A kind of 10kV overhead transmission lines short circuit and earth fault experiment high-tension switch cabinet | |
| KR101569108B1 (en) | A micro smart grid simulator utilizing mems technology and its simulating method thereof | |
| CN201230204Y (en) | Logic test device for microcomputer type protection monitoring module in power supply and distribution system | |
| CN108152779A (en) | Electronic current mutual inductor check system and method | |
| CN102375105A (en) | Simulation test system of substation equipment relay protection system | |
| CN104597899B (en) | Distributing automation apparatus technical performance test platform | |
| CN201774175U (en) | Intelligent high-voltage switch equipment |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |