CN104601049B - A kind of main power source method of reseptance of synchronous motor - Google Patents

A kind of main power source method of reseptance of synchronous motor Download PDF

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Publication number
CN104601049B
CN104601049B CN201410849514.4A CN201410849514A CN104601049B CN 104601049 B CN104601049 B CN 104601049B CN 201410849514 A CN201410849514 A CN 201410849514A CN 104601049 B CN104601049 B CN 104601049B
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China
Prior art keywords
relay
closed
opened
power source
main
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CN201410849514.4A
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CN104601049A (en
Inventor
曲强
刘宏业
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Anshan Iron And Steel Group Information Industry Co Ltd
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Anshan Iron And Steel Group Information Industry Co Ltd
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    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/02—Details of starting control
    • H02P1/04—Means for controlling progress of starting sequence in dependence upon time or upon current, speed, or other motor parameter
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02P—CONTROL OR REGULATION OF ELECTRIC MOTORS, ELECTRIC GENERATORS OR DYNAMO-ELECTRIC CONVERTERS; CONTROLLING TRANSFORMERS, REACTORS OR CHOKE COILS
    • H02P1/00—Arrangements for starting electric motors or dynamo-electric converters
    • H02P1/16—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters
    • H02P1/46—Arrangements for starting electric motors or dynamo-electric converters for starting dynamo-electric motors or dynamo-electric converters for starting an individual synchronous motor

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  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Control Of Ac Motors In General (AREA)
  • Inverter Devices (AREA)

Abstract

The present invention relates to Ferrous Metallurgy hot rolling line automatic field, a kind of main power source method of reseptance of synchronous motor, strict regulations the reception preparation of main motor, low voltage test, main power source experiment are received and required, can accurately start synchronous motor.

Description

A kind of main power source method of reseptance of synchronous motor
Technical field
The present invention relates to Ferrous Metallurgy hot rolling line automatic field.
Background technology
Electricity need to be carried out in strict accordance with operating process on existing synchronous motor, otherwise be likely to result in the risk of " step-out ".
The content of the invention
It is an object of the invention to provide a kind of main power source method of reseptance of synchronous motor, connecing for main motor of strict regulations Preparation, low voltage test, main power source experiment reception requirement are received, can accurately start synchronous motor.
To achieve the above object, the present invention is realized by following steps：
A kind of main power source method of reseptance of synchronous motor, specifically includes herein below：
1) preparation that main power source is received
(1) the connection conductor of frequency converter input terminal is removed to prevent GCT main circuit subordinate main power sources
(2) the continuous protection check of main circuit breaker " 52 "
(3) circuit-breaker " 52 " is fixed on test position
(4) opening operation switch " 52 ", and confirm that it can not possibly be closed
(5) relay " 52IL " is opened, and confirms that it can be closed during this period, following items are confirmed：
Relay " 52A " is opened
Indicator knob from " 52 open " to " 52 close " on Frequency Converter Control panel
(6) relay " 52IL " of opening on the control panel, short circuit exterior terminal " 07E17-07E18 " (or " 07E19- 07E20”)
(7) a simulation mistake is produced on frequency converter, and confirms the stroke of " 52 "
(8) mistake of GCT panels is reset
(9) opening operation switch " 52 ", and confirm that it may be closed
(10) shutoff operation switch " 52 ", and confirm that it may be opened
(11) relay " 52IL " on guidance panel is closed, exterior terminal " 07E17-07E18 " or " 07E19- is used 07E20”
2) low voltage test
(1) test voltage is inputted to arrive under the initial end test voltage general case of main transformer as 220V
(2) waveform, the magnitude of voltage and phase bit rate of inverter input are checked
(3) after test completion, survey tool and power supply supply are cancelled；
3. main power source experiment is received
(1) inputs of the PT in frequency converter is installed
(2) install oscillograph and DVM PT second interface end using insulator make the power supply of oscillograph every From
(3) main circuit short-circuiting device " 52 " is installed in rotine positioning
(4) relay " 52IL " on guidance panel is opened, exterior terminal " 07E17-07E18 " or " 07E19- is used 07E20”
(5) main circuit short-circuiting device is opened
(6) following items are confirmed using oscillograph and DVM：
The waveform of input voltage has no problem
Magnitude of voltage is correct
(7) after information above is received, main circuit short-circuiting device is closed
(8) relay " 52IL " on guidance panel is closed, exterior terminal " 07E17-07E18 " (or " 07E19- is used 07E20”)。
Beneficial effects of the present invention：The strict regulations reception preparation of main motor, low voltage test, main power source experiment are received It is required that, it can accurately start synchronous motor.
Embodiment
A kind of main power source method of reseptance of synchronous motor, specifically includes herein below：
1. the preparation that main power source is received
(1) the connection conductor of frequency converter input terminal is removed
In order to prevent GCT main circuit subordinate main power sources
(2) the continuous protection check of main circuit breaker " 52 "
(3) circuit-breaker " 52 " is fixed on test position
(4) opening operation switch " 52 ", and confirm that it can not possibly be closed
(5) relay " 52IL " is opened, and confirms that it can be closed
During this period, following items are confirmed：
Relay " 52A " is opened
Indicator knob from " 52 open " to " 52 close " on Frequency Converter Control panel
(6) relay " 52IL " of opening on the control panel, short circuit exterior terminal " 07E17-07E18 " (or " 07E19- 07E20”)
(7) a simulation mistake is produced on frequency converter, and confirms the stroke of " 52 "
(8) mistake of GCT panels is reset
(9) opening operation switch " 52 ", and confirm that it may be closed
(10) shutoff operation switch " 52 ", and confirm that it may be opened
(11) relay " 52IL " on guidance panel is closed, exterior terminal " 07E17-07E18 " or " 07E19- is used 07E20”
2. low voltage test
(1) test voltage is inputted to arrive under the initial end test voltage general case of main transformer as 220V
(2) waveform, the magnitude of voltage and phase bit rate of inverter input are checked
(3) after test completion, survey tool and power supply supply are cancelled；
3. main power source experiment is received
(1) inputs of the PT in frequency converter is installed
(2) install oscillograph and DVM PT second interface end using insulator make the power supply of oscillograph every From
(3) main circuit short-circuiting device " 52 " is installed in rotine positioning
(4) relay " 52IL " on guidance panel is opened, exterior terminal " 07E17-07E18 " or " 07E19- is used 07E20”
(5) main circuit short-circuiting device is opened
(6) following items are confirmed using oscillograph and DVM：
The waveform of input voltage has no problem
Magnitude of voltage is correct
(7) after information above is received, main circuit short-circuiting device is closed
(8) relay " 52IL " on guidance panel is closed, exterior terminal " 07E17-07E18 " (or " 07E19- is used 07E20”)。

Claims (1)

1. the main power source method of reseptance of a kind of synchronous motor, it is characterised in that specifically include herein below：
1) preparation that main power source is received：
(1) the connection conductor of frequency converter input terminal is removed,
In order to prevent GCT main circuit subordinate main power sources；
(2) the continuous protection check of main circuit breaker " 52 "；
(3) circuit-breaker " 52 " is fixed on test position；
(4) opening operation switch " 52 ", and confirm that it can not possibly be closed；
(5) relay " 52IL " is opened, and confirms that it can be closed；
During this period, following items are confirmed：
Relay " 52A " is opened；
Indicator knob from " 52 open " to " 52 close " on Frequency Converter Control panel；
(6) relay " 52IL " on the control panel, short circuit exterior terminal are opened：
" 07E17-07E18 " or " 07E19-07E20 "；
(7) a simulation mistake is produced on frequency converter, and confirms the stroke of " 52 "；
(8) mistake of GCT panels is reset；
(9) opening operation switch " 52 ", and confirm that it may be closed；
(10) shutoff operation switch " 52 ", and confirm that it may be opened；
(11) relay " 52IL " on guidance panel is closed, exterior terminal is used：
" 07E17-07E18 " or " 07E19-07E20 "；
2) low voltage test：
(1) test voltage is inputted to the initial end of main transformer；
It is 220V under test voltage general case；
(2) waveform, the magnitude of voltage and phase bit rate of inverter input are checked；
(3) after test completion, survey tool and power supply supply are cancelled；
3) main power source experiment is received：
(1) inputs of the PT in frequency converter is installed；
(2) oscillograph and DVM are installed at PT second interface end；
Make the isolated from power of oscillograph using insulator；
(3) main circuit breaker " 52 " is installed in rotine positioning；
(4) relay " 52IL " on guidance panel is opened, exterior terminal is used：
" 07E17-07E18 " or " 07E19-07E20 "；
(5) main circuit breaker is opened；
(6) following items are confirmed using oscillograph and DVM：
The waveform of input voltage has no problem；
Magnitude of voltage is correct；
(7) after information above is received, main circuit breaker is closed；
(8) relay " 52IL " on guidance panel is closed, exterior terminal is used：
" 07E17-07E18 " or " 07E19-07E20 ".
CN201410849514.4A 2014-12-31 2014-12-31 A kind of main power source method of reseptance of synchronous motor Active CN104601049B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201410849514.4A CN104601049B (en) 2014-12-31 2014-12-31 A kind of main power source method of reseptance of synchronous motor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201410849514.4A CN104601049B (en) 2014-12-31 2014-12-31 A kind of main power source method of reseptance of synchronous motor

Publications (2)

Publication Number Publication Date
CN104601049A CN104601049A (en) 2015-05-06
CN104601049B true CN104601049B (en) 2017-10-13

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Country Status (1)

Country Link
CN (1) CN104601049B (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101355340A (en) * 2007-07-25 2009-01-28 宝山钢铁股份有限公司 Control method for automatically switching standby power of synchronous motor
CN201294471Y (en) * 2008-10-28 2009-08-19 鞍钢股份有限公司 Delay circuit for leather belt motor startup
CN103178760A (en) * 2013-02-28 2013-06-26 岳群生 Soft starting method and soft starter for asynchronous starting permanent-magnet synchronous motors

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB0128844D0 (en) * 2001-12-01 2002-01-23 Westland Helicopters Power control device

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101355340A (en) * 2007-07-25 2009-01-28 宝山钢铁股份有限公司 Control method for automatically switching standby power of synchronous motor
CN201294471Y (en) * 2008-10-28 2009-08-19 鞍钢股份有限公司 Delay circuit for leather belt motor startup
CN103178760A (en) * 2013-02-28 2013-06-26 岳群生 Soft starting method and soft starter for asynchronous starting permanent-magnet synchronous motors

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