CN206712542U - Dual power supply dual redundant high-voltage motor controls activation system - Google Patents
Dual power supply dual redundant high-voltage motor controls activation system Download PDFInfo
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- CN206712542U CN206712542U CN201720598745.1U CN201720598745U CN206712542U CN 206712542 U CN206712542 U CN 206712542U CN 201720598745 U CN201720598745 U CN 201720598745U CN 206712542 U CN206712542 U CN 206712542U
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Abstract
The utility model provides a kind of dual power supply dual redundant high-voltage motor control activation system, including power frequency inlet wire high-voltage board, frequency conversion inlet wire high-voltage board, high_voltage isolation cabinet, soft initiator, high voltage converter and high pressure switching cabinet, the power frequency inlet wire high-voltage board, high-voltage motor, which is connected to, after chopper switch series connection in soft initiator and high pressure switching cabinet forms power frequency current supply circuit, the frequency conversion inlet wire high-voltage board, high-voltage motor, which is connected to, after another chopper switch series connection of high voltage converter and high pressure switching cabinet forms conversion power supply loop, the high_voltage isolation cabinet is connected in parallel between the power frequency current supply circuit and conversion power supply loop.The utility model mainly passes through control system reform, realize that the two circuit control Starting mode of dual power supply of the using and the reserved starts high-voltage motor, the stability of equipment operation is considerably increased, reduces the hot down time of equipment, alleviates the labor intensity of maintenance mans and operative employee.
Description
Technical field
The utility model belongs to smelting iron and steel desulfurization blower fan technical field of electric control, double more particularly to a kind of dual power supply
Redundancy high-voltage motor control activation system.
Background technology
The original Starting mode of steel mill's sintering desulfuration booster electric machine is the soft startup of the one-to-one high pressure of single channel power supply, and power frequency is transported
OK, irredundant standby, operational reliability is low, and accident easily occurs.There is early stage equipment heat to stop 16 hours, unit presses the most unfavorable processing condition
Operation, still there is larger surplus, power frequency operation high energy consumption.
Utility model content
Technical problem to be solved in the utility model is：In order to overcome, amount of redundancy is big in the prior art and power frequency operation energy
High deficiency is consumed, the utility model provides a kind of dual power supply dual redundant high-voltage motor control activation system.
The utility model solves its technical problem technical scheme to be taken：A kind of dual power supply dual redundant high-voltage motor
Control activation system, including power frequency inlet wire high-voltage board, frequency conversion inlet wire high-voltage board, high_voltage isolation cabinet, soft initiator, high-pressure frequency-conversion
Device, high pressure switching cabinet and high-voltage motor, the disconnecting link that the power frequency inlet wire high-voltage board, soft initiator and high pressure switch in cabinet are opened
High-voltage motor formation power frequency current supply circuit, frequency conversion inlet wire high-voltage board, high voltage converter and the high crush-cutting are connected to after closing series connection
High-voltage motor formation conversion power supply loop is connected to after changing another chopper switch series connection of cabinet, the high_voltage isolation cabinet is connected in parallel on
Between the power frequency current supply circuit and conversion power supply loop.
Further, described high_voltage isolation cabinet one end is connected to the power cable between power frequency inlet wire high-voltage board and soft initiator
On, the other end is connected on the power cable between frequency conversion inlet wire high-voltage board and high voltage converter.
Further, two chopper switchs in the high pressure switching cabinet are interlocking structure.
The beneficial effects of the utility model are：A kind of dual power supply dual redundant high-voltage motor control provided by the utility model is opened
Dynamic system, mainly by control system reform, realize that the two circuit control Starting mode of dual power supply of the using and the reserved starts high pressure
Motor, the stability of equipment operation is considerably increased, reduce the hot down time of equipment, alleviate the work of maintenance mans and operative employee
Intensity, while make main operating loop into frequency converter operation, according to field working conditions, 1,070,000 yuan of the electricity charge, economy effect can be saved every year
Beneficial highly significant.
Brief description of the drawings
The utility model is described in further detail with reference to the accompanying drawings and examples.
Fig. 1 is the principle schematic of the best embodiment of the utility model.
In figure：1st, power frequency inlet wire high-voltage board, 2, soft initiator, 3, high-voltage motor, 4, frequency conversion inlet wire high-voltage board, 5, high voltage variable
Frequency device, 6, high pressure switching cabinet, 7, high_voltage isolation cabinet, 8, power cable, 9, power frequency supply, 10, variable-frequency power sources.
Embodiment
The utility model is described in detail presently in connection with accompanying drawing.This figure is simplified schematic diagram, only in a schematic way
Illustrate basic structure of the present utility model, therefore it only shows the composition relevant with the utility model.
As shown in figure 1, a kind of dual power supply dual redundant high-voltage motor control activation system of the present utility model, including two height
Pressure cabinet is respectively that the power frequency inlet wire high-voltage board 1 for being connected with power frequency supply 9 and the frequency conversion for being connected with variable-frequency power sources 10 are entered
Line high-voltage board 4, and 7, one, a high_voltage isolation cabinet high voltage converter 5 of soft initiator 2, one and a high pressure switching cabinet 6,
Power frequency inlet wire high-voltage board 1 and the different incoming powers that are derived from of frequency conversion inlet wire high-voltage board 4, power frequency inlet wire high-voltage board 1 is for soft
Starter 2 is powered, and frequency conversion inlet wire high-voltage board 4 is used to power to high voltage converter 5；The power frequency inlet wire high-voltage board 1, soft initiator
2 and high pressure switching cabinet 6 in a chopper switch series connection after be connected to high-voltage motor 3 formed power frequency current supply circuit, the frequency conversion
High-voltage motor 3 is connected to after another chopper switch series connection of inlet wire high-voltage board 4, high voltage converter 5 and high pressure switching cabinet 6 to be formed
Conversion power supply loop, power frequency current supply circuit and conversion power supply loop power for the incoming power of two-way independence, power frequency current supply circuit
A high_voltage isolation cabinet 7 also in parallel between conversion power supply loop, when a certain current supply circuit breaks down, it is ensured that another power supply
Loop can give the normal power supply of high-voltage motor 3.The one end of high_voltage isolation cabinet described in the present embodiment 7 is connected to power frequency inlet wire high-voltage board
On power cable 8 between 1 and soft initiator 2, the other end is connected between frequency conversion inlet wire high-voltage board 4 and high voltage converter 5
On power cable 8.
Soft initiator 2 is used for power frequency startup high-voltage motor 3.Two chopper switchs in high pressure switching cabinet 6 are interlocking structure,
High pressure switching cabinet 6 is thoroughly disconnected two current supply circuits of frequency conversion and power frequency by two chopper switchs in cabinet, is ensured with for the moment
Interior only power supply closes a floodgate all the way, starts high-voltage motor 3 and simultaneously determines it is power frequency or converting operation, avoids human factor from causing people
Member and equipment damage.High voltage converter 5 is used to control the converting operation of high-voltage motor 3, reaches the purpose of energy-conservation.
Power frequency inlet wire high-voltage board 1, soft initiator 2, high-voltage motor 3, frequency conversion inlet wire high-voltage board 4, high voltage converter 5, high pressure
The interconnection switched between cabinet 6 and high_voltage isolation cabinet 7 is attached by power cable 8.
In addition, also by controlling between cable connection high voltage converter 5, PLC and high-voltage board, realize between them
The on/off switch control of the handing-over of signal, the startup of high voltage converter 5 and high-voltage board.Whole system is opened by screen operation, realization
Dynamic, stopping and monitoring device situation etc..
Using it is above-mentioned according to desirable embodiment of the present utility model as enlightenment, by above-mentioned description, related work
Personnel can carry out various changes and amendments in without departing from the scope of the utility model completely.This item utility model
Technical scope is not limited to the content on specification, it is necessary to determines its technical scope according to right.
Claims (3)
1. a kind of dual power supply dual redundant high-voltage motor controls activation system, it is characterised in that：Including power frequency inlet wire high-voltage board (1),
Frequency conversion inlet wire high-voltage board (4), high_voltage isolation cabinet (7), soft initiator (2), high voltage converter (5) and high pressure switching cabinet (6), it is described
High pressure is connected to after chopper switch series connection in power frequency inlet wire high-voltage board (1), soft initiator (2) and high pressure switching cabinet (6)
Motor (3) forms power frequency current supply circuit, and the frequency conversion inlet wire high-voltage board (4), high voltage converter (5) and high pressure switch cabinet (6)
High-voltage motor (3) is connected to after the series connection of another chopper switch and forms conversion power supply loop, and the high_voltage isolation cabinet (7) is connected in parallel on
Between the power frequency current supply circuit and conversion power supply loop.
2. dual power supply dual redundant high-voltage motor as claimed in claim 1 controls activation system, it is characterised in that：The high pressure every
It is connected to from cabinet (7) one end on the power cable (8) between power frequency inlet wire high-voltage board (1) and soft initiator (2), other end connection
On power cable (8) between frequency conversion inlet wire high-voltage board (4) and high voltage converter (5).
3. dual power supply dual redundant high-voltage motor as claimed in claim 1 or 2 controls activation system, it is characterised in that：The height
Two chopper switchs that crush-cutting is changed in cabinet (6) are interlocking structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720598745.1U CN206712542U (en) | 2017-05-25 | 2017-05-25 | Dual power supply dual redundant high-voltage motor controls activation system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720598745.1U CN206712542U (en) | 2017-05-25 | 2017-05-25 | Dual power supply dual redundant high-voltage motor controls activation system |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206712542U true CN206712542U (en) | 2017-12-05 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720598745.1U Active CN206712542U (en) | 2017-05-25 | 2017-05-25 | Dual power supply dual redundant high-voltage motor controls activation system |
Country Status (1)
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| CN (1) | CN206712542U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719051A (en) * | 2019-07-12 | 2020-01-21 | 淮北矿业股份有限公司 | Double-machine dragging large-power stepless speed regulating device for mine hoist |
| CN112713761A (en) * | 2021-01-05 | 2021-04-27 | 邯郸钢铁集团有限责任公司 | Method and device for rapidly switching power unit of large-scale synchronizer |
-
2017
- 2017-05-25 CN CN201720598745.1U patent/CN206712542U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110719051A (en) * | 2019-07-12 | 2020-01-21 | 淮北矿业股份有限公司 | Double-machine dragging large-power stepless speed regulating device for mine hoist |
| CN112713761A (en) * | 2021-01-05 | 2021-04-27 | 邯郸钢铁集团有限责任公司 | Method and device for rapidly switching power unit of large-scale synchronizer |
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