CN204610232U - The parallel water pump platform automatical control system of a kind of 6kV, 10kV two kinds of high-voltage poweies - Google Patents
The parallel water pump platform automatical control system of a kind of 6kV, 10kV two kinds of high-voltage poweies Download PDFInfo
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- CN204610232U CN204610232U CN201520280139.6U CN201520280139U CN204610232U CN 204610232 U CN204610232 U CN 204610232U CN 201520280139 U CN201520280139 U CN 201520280139U CN 204610232 U CN204610232 U CN 204610232U
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Abstract
A parallel water pump platform automatical control system for 6kV, 10kV two kinds of high-voltage poweies, comprises high-tension distribution chamber of converting and on-the-spot test platform; Also comprise between test site electric operation and PLC control cabinet; High voltage power distribution indoor arrange the power supply system of separate 6kV and 10kV two electric pressure water pumps; 6kV high-voltage ring main unit and 10kV high-voltage ring main unit are set in test site electric operation; The power supply system of 6kV electric pressure water pump is connected with 6kV high-voltage ring main unit, and the power supply system of 10kV electric pressure water pump is connected with 10kV high-voltage ring main unit, and 6kV and 10kV high-voltage ring main unit is connected to on-the-spot test platform by respective outlet cable; PLC control cabinet is connected with the power supply system of 6kV, 10kV two electric pressure water pumps; Be provided with field control station between test site electric operation, field control station is connected with PLC control cabinet and central control chamber.The different electric pressure power supply system of the utility model divides open shop, realizes the test of different electric pressure water pump, ensures the safety and reliability that test system is powered.
Description
Technical field
The utility model belongs to parallel water pump technical field, is specifically related to the parallel water pump platform automatical control system of a kind of 6kV, 10kV two kinds of high-voltage poweies.
Background technique
Along with widely using of high powered water pump on Domestic market, high powered water pump adopts high-voltage motor to drag usually, and according to China's power supply voltage level situation, on market, most high-voltage motor adopts 6kV and 10kV two kinds of high-voltage poweies.The high powered water pump test bench that water pump manufacturer is equipped with for this reason mainly carries out the test of 6kV and 10kV two kinds of high-voltage motors.Because the design conditions of each manufacturer's parallel water pump platform is different, power and control system very different, there is potential safety hazard in the safety guarantee aspect of the reliable aspect of parallel water pump power supply safety and personnel.The utility model carries out complex art than choosing from aspects such as Security, reliability, Economy, in line with safe and reliable, reduce the principle of the operation easier of tester, carry out typical design to the power of the parallel water pump platform of 6kV, 10kV two kinds of high-voltage poweies and control system, the technical parameter being mainly testing high voltage motor drag high powered water pump provides safe and reliable power supply and safety guarantee.
Summary of the invention
The technical problems to be solved in the utility model is the parallel water pump platform automatical control system providing a kind of 6kV, 10kV two kinds of high-voltage poweies; To reach the Security improving test bench automatical control system and power, ensure the requirement of tester's livewire work personal safety.
It is as follows that the utility model solves the problems of the technologies described above the technological scheme taked: the parallel water pump platform automatical control system of a kind of 6kV, 10kV two kinds of high-voltage poweies, comprises high-tension distribution chamber of converting and on-the-spot test platform; It is characterized in that: also comprise between test site electric operation and PLC control cabinet; High voltage power distribution indoor arrange the power supply system of separate 6kV and 10kV two electric pressure water pumps; 6kV high-voltage ring main unit and 10kV high-voltage ring main unit are set in test site electric operation; The power supply system of 6kV electric pressure water pump is connected with 6kV high-voltage ring main unit, and the power supply system of 10kV electric pressure water pump is connected with 10kV high-voltage ring main unit, and 6kV and 10kV high-voltage ring main unit is connected to on-the-spot test platform by respective outlet cable; PLC control cabinet is connected with the power supply system of 6kV, 10kV two electric pressure water pumps; Be provided with field control station between test site electric operation, field control station is connected with PLC control cabinet and central control chamber.
The power supply system of 6kV electric pressure water pump comprises the 6kV High-voltage Incoming Cabinet, 6kV high-voltage terminal cabinet and the 6kV high pressure soft starting cabinet that connect successively, and 6kV High-voltage Incoming Cabinet is connected with 6kV high pressure inlet wire cable, and 6kV high pressure soft starting cabinet is connected with 6kV high-voltage ring main unit; The power supply system of 10kV electric pressure water pump comprises the 10kV High-voltage Incoming Cabinet, 10kV high-voltage terminal cabinet and the 10kV high pressure soft starting cabinet that connect successively, 10kV High-voltage Incoming Cabinet is connected with 10kV high pressure inlet wire cable, and 10kV high pressure soft starting cabinet is connected with 10kV high-voltage ring main unit.
Between test site electric operation, the periphery of on-the-spot test platform and central control chamber is provided with segregator barriers, and segregator barriers installs gate control system.
In high voltage power distribution indoor, central control chamber, in on-the-spot electric operation and near on-the-spot test platform, be provided with emergency stop switch; Emergency stop switch is connected with the power supply separating brake of 6kV high pressure soft starting cabinet, the power supply separating brake of 10kV high pressure soft starting cabinet.
The power supply system of the utility model high-tension distribution chamber of converting 6kV and 10kV two electric pressure water pumps is point open shops; 6kV incoming line cabinet and 10kV incoming line cabinet realize electrical interlocks ensure that two cover systems can not start simultaneously by carrying secondary relay protection system in incoming line cabinet.PLC is utilized to monitor high-tension apparatus running state in real time; And the field control station communication by arranging between Field bus and test site electric operation.
The field control station arranged between test site electric operation; the state of high-tension apparatus running state and protection can be monitored intuitively; high pressure line cabinet and high pressure soft starting cabinet can be controlled again; also can control the start and stop of water pump; and the state of water pump operation situation, failure warning system can be monitored at the scene, and water pump operation parameter is uploaded to central control chamber.
By the segregator barriers that arranges and gate control system, high-pressure water pump test site is isolated, to be allowed for access test zone by swiping the card or inputting password.For everyone before ensureing test can safe escape test site, in test process, any unauthorized persons can not enter in test zone.
The 6kV ring main unit arranged between test site electric operation and 10kV ring main unit, the ground connection busbar of ring main unit reliably connects plant area's grounded system; Each test completes afterload switch and gets to ground state and make aftercurrent access the earth, ensures the safety of tester.
Due in, central control chamber indoor at high voltage power distribution, be provided with emergency stop switch in on-the-spot electric operation and near on-the-spot test platform; When equipment operation exception, operator manually press emergency stop switch button nearby, close high pressure soft starting cabinet in time, make power supply separating brake, control electrical equipment start and stop.Emergency stop switch button kept working state before manual reversion.6kV motor emergent stop signal and the wiring simultaneously of 10kV motor emergent stop signal, on the different normal opened contacts of emergency stop switch, ensure that on-the-spot each emergency stop switch can make 6kV, 10kV motor suddenly stop simultaneously.
The utility model is that domestic water pump manufacturer outfit high powered water pump test bench provides a kind of safe and reliable automatical control system, typical design has been carried out to the power of the parallel water pump platform of 6kV, 10kV two kinds of high-voltage poweies and control system, for the technical parameter of testing high voltage motor drag high powered water pump provides safe and reliable power supply and safety guarantee, the test request of the motor of 6kV and 10kV two kinds of high-voltage poweies can be completed; Divide open shop in the different electric pressure power supply system of high-tension distribution chamber of converting 6kV and 10kV two kinds, realize the test of different electric pressure water pump.PLC control cabinet and field control station is utilized to pass through field bus communication.By arranging PLC control system, on-the-spot segregator barriers and warning facilities, gate control system, the facility series of measures that stops in emergency ensure the safety and reliability that test system is powered.Tester can between test site electric operation, central control chamber monitoring site electrical system switch working state at different levels, onsite alarming display lamp alert status, gate inhibition's open and-shut mode and test bench runnability.Improve the Security that test system is powered, reduce the operation easier of tester.Realize local and remote operation in test site, monitoring water pump operation state, and water pump operation parameter is uploaded.
Accompanying drawing explanation
Fig. 1 is general structure of the present utility model and System planes wiring schematic diagram.
In figure: 1-high-tension distribution chamber of converting, 2-test site segregator barriers, between 3-test site electric operation, 4-on-the-spot test platform, 5-central control chamber, 6-6kV High-voltage Incoming Cabinet, 7-6kV high-voltage terminal cabinet, 8-6kV high pressure soft starting cabinet, 9-10kV High-voltage Incoming Cabinet, 10-10kV high-voltage terminal cabinet, 11-10kV high pressure soft starting cabinet, 12-6kV high-voltage ring main unit, 13-10kV high-voltage ring main unit, 14-6kV high pressure inlet wire cable, 15-6kV high-voltage terminal cable, 16-6kV high-voltage ring main unit inlet wire cable, 17-10kV high pressure inlet wire cable, 18-10kV high-voltage terminal cable, 19-10kV high-voltage ring main unit inlet wire cable, 20-6kV high-voltage ring main unit outlet cable, 21-10kV high-voltage ring main unit outlet cable, 22-PLC control cabinet, 23-field control station, 24-control cables, 25-Field bus, 26-the first emergency stop switch, 27-the second emergency stop switch, 28-the three emergency stop switch, 29-the four emergency stop switch, 30-emergent stop signal cable, 31-gate inhibition and alarm indicator lamp control cables, 32-gate control system, 33-number alarm indicator lamp, 34-No. two alarm indicator lamps, 35-No. three alarm indicator lamps, 36-No. four alarm indicator lamps.
Embodiment
The parallel water pump platform automatical control system of a kind of 6kV, 10kV two kinds of high-voltage poweies that the utility model provides, comprises high-tension distribution chamber of converting 1 and on-the-spot test platform 4; Also to comprise between test site electric operation 3 with PLC control cabinet 22; The power supply system of separate 6kV and 10kV two electric pressure water pumps is set in high-tension distribution chamber of converting 1; Between test site electric operation, 6kV high-voltage ring main unit 12 and 10kV high-voltage ring main unit 13 are set in 3; The power supply system of 6kV electric pressure water pump is connected with 6kV high-voltage ring main unit 12, the power supply system of 10kV electric pressure water pump is connected with 10kV high-voltage ring main unit 13,6kV high-voltage ring main unit 12 is connected to on-the-spot test platform 4,10kV high-voltage ring main unit 13 by 6kV high-voltage ring main unit outlet cable 20 and is connected to on-the-spot test platform 4 by 10kV high-voltage ring main unit outlet cable 21; PLC control cabinet 22 is connected by the power supply system of control cables 24 and 6kV, 10kV two electric pressure water pumps; Between test site electric operation, 3 are provided with field control station 23, and field control station 23 is connected with PLC control cabinet 22 and central control chamber 5 by Field bus 25.
The power supply system of 6kV electric pressure water pump comprises the 6kV High-voltage Incoming Cabinet 6,6kV high-voltage terminal cabinet 7 and the 6kV high pressure soft starting cabinet 8 that connect successively, 6kV high-voltage terminal cabinet 7 is connected with 6kV high pressure soft starting cabinet 8 by 6kV high-voltage terminal cable 15,6kV High-voltage Incoming Cabinet 6 is connected with 6kV high pressure inlet wire cable 14,6kV high pressure soft starting cabinet 8 and is connected with 6kV high-voltage ring main unit 12 by 6kV high-voltage ring main unit inlet wire cable 16; 6kV high-voltage ring main unit outlet cable 20 is connected to the 6kV test water pumping unit of on-the-spot test platform 4.
The power supply system of 10kV electric pressure water pump comprises the 10kV High-voltage Incoming Cabinet 9,10kV high-voltage terminal cabinet 10 and the 10kV high pressure soft starting cabinet 11 that connect successively, 10kV high-voltage terminal cabinet 10 is connected with 10kV high pressure soft starting cabinet 11 by 10kV high-voltage terminal cable 18,10kV High-voltage Incoming Cabinet 9 is connected with 10kV high pressure inlet wire cable 17,10kV high pressure soft starting cabinet 11 and is connected with 10kV high-voltage ring main unit 13 by 10kV high-voltage ring main unit inlet wire cable 19; 10kV high-voltage ring main unit outlet cable 21 is connected to the 10kV test water pumping unit of on-the-spot test platform 4.
PLC control cabinet 22 is located in high-tension distribution chamber of converting 1, and PLC control cabinet 22 is connected with 6kV High-voltage Incoming Cabinet 6,6kV high-voltage terminal cabinet 7,6kV high pressure soft starting cabinet 8,10kV High-voltage Incoming Cabinet 9,10kV high-voltage terminal cabinet 10 and 10kV high pressure soft starting cabinet 11 by control cables 24; Realize high voltage power distributing cabinet signals collecting and running state monitoring.
By being located at the field control station 23 of between test site electric operation 3, the state of high-tension apparatus running state and protection can be monitored intuitively, high pressure line cabinet and high pressure soft starting cabinet can be controlled; Control the start and stop of tested water pump; And the state of water pump operation situation, failure warning system can be monitored at the scene, and water pump operation parameter is uploaded to central control chamber.
Between test site electric operation, 3 adopt color steel and glass fibre reinforced plastics as partition wall, and partition wall mounting glass window, can ensure when test station wiring, can be clearly seen that the earth point ground connection in ring main unit.
For ensureing site operation personnel work safety, as of the present utility model perfect, between test site electric operation 3, on-the-spot test platform 4 is provided with segregator barriers 2 with the periphery of central control chamber 5, and segregator barriers 2 installs gate control system 32.Segregator barriers 2 is high 1.5 meters, is separated other working areas in whole test section and factory building.When carrying out Hi-pot test, gate inhibition is worked, and only has authorized person just can enter test zone.The corner of segregator barriers 2 is respectively equipped with an alarm indicator lamp 33, No. two alarm indicator lamps 34, No. three alarm indicator lamps 35 and No. four alarm indicator lamps 36; Gate control system 32 and four alarm indicator lamps are connected with PLC control cabinet 22 by gate inhibition and alarm indicator lamp control cables 31; PLC control cabinet 22 carries out coordinated signals by gate inhibition and alarm indicator lamp control cables 31 pairs of onsite alarming tutorial light, gate control system equipment.
The alarm indicator lamp arranged in the corner of fence 33, No. two alarm indicator lamps 34, No. three alarm indicator lamps 35 and No. four alarm indicator lamps 36, be tri coloured lantern columniation structure, be respectively red light, amber light and green light from top to bottom; Its job requirement is: when being connected to the energising of the cable on high-pressure water pump, and warning light is red; When being connected to cable grounding on high-pressure water pump, warning light is green, now can cable on dismounting high-pressure water pump; When test process mesohigh water pump is because of fault power down, yellow and red alarm lamp is bright; When Hi-pot test platform does not use, All Alerts lamp does not work.
High-tension distribution chamber of converting 1 is provided with between the first emergency stop switch 26, on-the-spot electric operation that 3 are provided with the second emergency stop switch 27, on-the-spot test platform 4 is provided with the 3rd emergency stop switch 28, central control chamber 5 is provided with the 4th emergency stop switch 29, and emergency stop switch is connected with the power supply separating brake of 6kV high pressure soft starting cabinet 8, the power supply separating brake of 10kV high pressure soft starting cabinet 11 by emergent stop signal cable 30 everywhere.Emergency stop button makes, on the different normal opened contacts of 6kV motor and 10kV motor emergent stop signal wiring simultaneously emergency stop switch, to ensure that on-the-spot each emergency stop switch can make 6kV, 10kV motor suddenly stop simultaneously.Ensure Field Force at water pump operation abnormal and in emergency circumstances disjunction high-voltage power in time.
PLC control cabinet 22 is located in high-tension distribution chamber of converting 1, is press-fitted cabinet signals collecting and running state monitoring by the responsible control of control cables 24 is high; Coordinated signals is carried out by gate inhibition and alarm indicator lamp control cables 31 pairs of onsite alarming tutorial light, gate control system equipment.
The electrical distribution system function description of this parallel water pump platform automatical control system is as follows: four high voltage power distributing cabinets arranged in high-tension distribution chamber of converting 1, two, 6kV side, two, 10kV side; I.e. 6kV High-voltage Incoming Cabinet 6,6kV high-voltage terminal cabinet 7,10kV High-voltage Incoming Cabinet 9 and 10kV high-voltage terminal cabinet 10, its cabinet type is middle-placed switch cabinet; Middle-placed switch cabinet is prior art.In middle-placed switch cabinet, electrical secondary system adopts multi-functional excess current and earth-fault relay to complete route protection function.Inlet wire excess current fast tripping protection is mainly set, band time-lag over-current protection, overvoltage, low-voltage protection, circuit one-phase ground protection; Outlet excess current fast tripping protection, band time-lag over-current protection etc.6kV incoming line cabinet and 10kV incoming line cabinet realize electrical interlocks ensure that two cover systems can not start simultaneously by carrying secondary relay protection system in incoming line cabinet.
Two the high-voltage soft-start cabinets arranged in high-tension distribution chamber of converting 1, that is: one-6kV high-voltage soft-start cabinet 8,10kV side, the one-kV high-voltage soft-start cabinet 11 of 6kV side; High-voltage soft-start cabinet is prior art.In high-voltage soft-start cabinet, electric motor protecting function mainly comprises: overcurrent protection, starts overtime protection, thyristor short-circuit protection, unbalance protection of three-phase current, starts abnormal protection; Overvoltage, low-voltage protection etc.By LCD display and keyboard, show various state and setup control parameter.
The 3 interior high-voltage ring main units two arranged between the on-the-spot electric operation of test bench, i.e. the one-6kV in 6kV side high-voltage ring main unit 12,10kV side, one-10kV high-voltage ring main unit 13; High-voltage ring main unit selects common box type gas insulating ring main unit, and insulation ring main unit is prior art; In cabinet, switch is selected with ground connection station load switch.Ensure that ring main unit ground connection busbar reliably connects plant area's grounded system, test afterload switch at every turn and got to ground state and make aftercurrent access the earth, the safety of guarantee tester.
Field control station 23 to be located between test site electric operation in 3, with PLC control cabinet 22 by Field bus 25 communication.Meet electric operation personnel on site and control electrical equipment start and stop, monitoring site electrical system switch working state at different levels, onsite alarming display lamp alert status, gate inhibition's open and-shut mode and test bench runnability.
The earth point of earthed switch is set in 6kV high-voltage ring main unit 12 and 10kV high-voltage ring main unit 13, when after the earth point ground connection in this ring main unit, the alarm indicator lamp that segregator barriers corner is arranged becomes green, and now, operator just can cable on dismounting high-pressure water pump.
This parallel water pump platform automatical control system, realize the test request of the motor of 6kV and 10kV two kinds of high-voltage poweies, can according to electric moter voltage grade, electrical test personnel draw high voltage cable from the ring main unit of relevant voltage grade in ring main unit between electric operation, lay to electromechanical testing platform along ground.
The PLC control cabinet 22 of this parallel water pump platform automatical control system mainly gathers following parameter:
(1) electric parameter of high-tension distribution chamber of converting 6kV and 10kV incoming line cabinet is gathered: electric current, voltage etc.;
(2) high-tension distribution chamber of converting 4 high-tension switch cabinet running statees and divide-shut brake order;
(3) high-tension distribution chamber of converting 2 soft-start cabinet running statees and operational order;
(4) 2 electric operating on-load switch ring main unit running statees and divide-shut brake order between electric operation;
(5) gate control system power supply control and alarm indicator lamp control signal.
the controlling functions of this parallel water pump platform automatical control system mainly contains:
(1) each equipment is when control state far away, and PLC can the working state of each equipment of control and measuring system intuitively by field control station, control apparatus divide-shut brake.Forward to cashier's office in a shop state time can only surveillance equipment working state, can not control apparatus divide-shut brake;
(2) by field control station Configuration Design, can display device running state visually;
(3) field control station can arrange power of motor and load current value, realizes machine operation overcurrent, owes overvoltage malfunction alarm;
(4) no matter whether high pressure cabinet interlocking signal works, and PLC should be able to realize the operation electric interlock of 6kV, 10kV electric closet;
(5) PLC by monitoring high-pressure system running state, should be able to control the working state of onsite alarming tutorial light;
(6) operator are before equipment runs, and according to electric moter voltage, power, electric current etc., in the enterprising line parameter setting of soft initiator panel, ensure the normal operation of soft initiator protective function.
Claims (6)
1. a parallel water pump platform automatical control system for 6kV, 10kV two kinds of high-voltage poweies, comprises high-tension distribution chamber of converting and on-the-spot test platform; It is characterized in that: also comprise (3) and PLC control cabinet (22) between test site electric operation; The power supply system of separate 6kV and 10kV two electric pressure water pumps is set in high-tension distribution chamber of converting (1); Arrange in (3) between test site electric operation 6kV high-voltage ring main unit (12) and 10kV high-voltage ring main unit (13) next time; The power supply system of 6kV electric pressure water pump is connected with 6kV high-voltage ring main unit (12), the power supply system of 10kV electric pressure water pump is connected with 10kV high-voltage ring main unit (13), 6kV high-voltage ring main unit (12) is connected to on-the-spot test platform by 6kV high-voltage ring main unit outlet cable (20), and 10kV high-voltage ring main unit (13) outlet cable is connected to the 10kV test water pumping unit in on-the-spot test platform; The power supply system of PLC control cabinet (22) and 6kV, 10kV two electric pressure water pumps is connected; Between test site electric operation, (3) are provided with field control station (23), and field control station (23) is connected with PLC control cabinet (22) and central control chamber (5) by Field bus (25).
2. as claim
1described a kind of 6kV, the parallel water pump platform automatical control system of 10kV two kinds of high-voltage poweies, it is characterized in that: the power supply system of 6kV electric pressure water pump comprises the 6kV High-voltage Incoming Cabinet (6) connected successively, 6kV high-voltage terminal cabinet (7) and 6kV high pressure soft starting cabinet (8), 6kV high-voltage terminal cabinet (7) is connected with 6kV high pressure soft starting cabinet (8) by 6kV high-voltage terminal cable (15), 6kV High-voltage Incoming Cabinet (6) is connected with 6kV high pressure inlet wire cable (14), 6kV high pressure soft starting cabinet (8) is connected with 6kV high-voltage ring main unit (12) by 6kV high-voltage ring main unit inlet wire cable (16), 6kV high-voltage ring main unit outlet cable (20) is connected to the 6kV test water pumping unit of on-the-spot test platform (4),
The power supply system of 10kV electric pressure water pump comprises the 10kV High-voltage Incoming Cabinet (9), 10kV high-voltage terminal cabinet (10) and the 10kV high pressure soft starting cabinet (11) that connect successively, 10kV high-voltage terminal cabinet (10) is connected with 10kV high pressure soft starting cabinet (11) by 10kV high-voltage terminal cable (18), 10kV High-voltage Incoming Cabinet (9) is connected with 10kV high pressure inlet wire cable (17), and 10kV high pressure soft starting cabinet (11) is connected with 10kV high-voltage ring main unit (13) by 10kV high-voltage ring main unit inlet wire cable (19); 10kV high-voltage ring main unit outlet cable (21) is connected to the 10kV test water pumping unit of on-the-spot test platform (4).
3. as claim
2the parallel water pump platform automatical control system of described a kind of 6kV, 10kV two kinds of high-voltage poweies, is characterized in that: PLC control cabinet (22) is connected with 6kV High-voltage Incoming Cabinet (6), 6kV high-voltage terminal cabinet (7), 6kV high pressure soft starting cabinet (8), 10kV High-voltage Incoming Cabinet (9), 10kV high-voltage terminal cabinet (10) and 10kV high pressure soft starting cabinet (11) by control cables (24).
4. as claim
3the parallel water pump platform automatical control system of described a kind of 6kV, 10kV two kinds of high-voltage poweies, it is characterized in that: between test site electric operation, (3), on-the-spot test platform (4) are provided with segregator barriers (2) with the periphery of central control chamber (5), and segregator barriers (2) installs gate control system (32).
5. as claim
4the parallel water pump platform automatical control system of described a kind of 6kV, 10kV two kinds of high-voltage poweies, is characterized in that: the corner of segregator barriers (2) is respectively equipped with an alarm indicator lamp (33), No. two alarm indicator lamps (34), No. three alarm indicator lamps (35) and No. four alarm indicator lamps (36); Gate control system (32) and four alarm indicator lamps are connected with PLC control cabinet (22) by gate inhibition and alarm indicator lamp control cables (31).
6. as claim
5the parallel water pump platform automatical control system of described a kind of 6kV, 10kV two kinds of high-voltage poweies, it is characterized in that: high-tension distribution chamber of converting (1) is provided with that (3) between the first emergency stop switch (26), on-the-spot electric operation are provided with the second emergency stop switch (27), on-the-spot test platform (4) is provided with the 3rd emergency stop switch (28), central control chamber (5) is provided with the 4th emergency stop switch (29), emergency stop switch is connected with the power supply separating brake of 6kV high pressure soft starting cabinet (8), the power supply separating brake of 10kV high pressure soft starting cabinet (11) by emergent stop signal cable (30) everywhere.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520280139.6U CN204610232U (en) | 2015-05-04 | 2015-05-04 | The parallel water pump platform automatical control system of a kind of 6kV, 10kV two kinds of high-voltage poweies |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201520280139.6U CN204610232U (en) | 2015-05-04 | 2015-05-04 | The parallel water pump platform automatical control system of a kind of 6kV, 10kV two kinds of high-voltage poweies |
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| CN204610232U true CN204610232U (en) | 2015-09-02 |
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| CN201520280139.6U Expired - Fee Related CN204610232U (en) | 2015-05-04 | 2015-05-04 | The parallel water pump platform automatical control system of a kind of 6kV, 10kV two kinds of high-voltage poweies |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806507A (en) * | 2015-05-04 | 2015-07-29 | 中国市政工程西北设计研究院有限公司 | Electronic control system of water pump test board with two kinds of high voltage power supplies of 6 kV and 10 kV |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104806507A (en) * | 2015-05-04 | 2015-07-29 | 中国市政工程西北设计研究院有限公司 | Electronic control system of water pump test board with two kinds of high voltage power supplies of 6 kV and 10 kV |
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