CN112490869A - Method for eliminating induced electricity of starting circuit of running equipment - Google Patents
Method for eliminating induced electricity of starting circuit of running equipment Download PDFInfo
- Publication number
- CN112490869A CN112490869A CN202011248061.1A CN202011248061A CN112490869A CN 112490869 A CN112490869 A CN 112490869A CN 202011248061 A CN202011248061 A CN 202011248061A CN 112490869 A CN112490869 A CN 112490869A
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- China
- Prior art keywords
- power distribution
- distribution cabinet
- starting
- induced electricity
- line
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- 230000005611 electricity Effects 0.000 title claims abstract description 28
- 238000000034 method Methods 0.000 title claims abstract description 11
- 238000009826 distribution Methods 0.000 claims description 34
- 239000003990 capacitor Substances 0.000 claims description 15
- 230000001012 protector Effects 0.000 abstract description 3
- 230000006698 induction Effects 0.000 description 3
- 238000012824 chemical production Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
Images
Classifications
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/26—Casings; Parts thereof or accessories therefor
- H02B1/30—Cabinet-type casings; Parts thereof or accessories therefor
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
- H02B1/00—Frameworks, boards, panels, desks, casings; Details of substations or switching arrangements
- H02B1/20—Bus-bar or other wiring layouts, e.g. in cubicles, in switchyards
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- H—ELECTRICITY
- H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
- H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
- H02H9/00—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection
- H02H9/04—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage
- H02H9/041—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess voltage using a short-circuiting device
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- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Emergency Protection Circuit Devices (AREA)
Abstract
The invention provides a method for eliminating the induced electricity of a starting circuit of running equipment, which comprises the following steps: increase electric capacity and ground connection on the starting circuit that operation equipment start button signal line got to start switch board motor protector, make the response electricity of production release through electric capacity, realized stopping the potential safety hazard that operation equipment was from starting, have great meaning to the safe operation of chemical plant operation equipment.
Description
Technical Field
The invention belongs to the field of electricity, and particularly relates to a method for eliminating induced electricity of a starting circuit of running equipment.
Background
Electricity is one of the main energy sources of chemical production enterprises, the power of a chemical production device is mostly derived from electrically-driven operation equipment, a starting circuit of the operation equipment generally adopts a multi-core cable, external induced electricity can be eliminated by shielding of the cable, and the induced electricity can exist in a control cable. When the induction voltage reaches the starting voltage threshold of the protector, the running equipment can be started automatically, further equipment damage is caused, and safety accidents are caused when the equipment is serious. Therefore, eliminating the induced electricity inside the control cable itself is a safety concern in operation.
Disclosure of Invention
In view of the defects of the prior art, the invention aims to provide a method for eliminating the induced electricity of a starting circuit of running equipment.
In order to achieve the purpose, the invention adopts the following technical scheme:
a method for eliminating the induced electricity of the starting line of the running equipment is characterized in that a capacitor is added on the starting line of the running equipment and is grounded so as to eliminate the induced electricity of the starting line. The induced electricity of the starting circuit is released to the ground through the capacitor, so that the starting line keeps the same potential as the ground in a non-starting state, and the self-starting phenomenon is avoided.
Furthermore, the running equipment starting circuit comprises a power distribution cabinet, a circuit from the power distribution cabinet to the operation column with the voltage of 220KV, a starting circuit from the operation column to the power distribution cabinet, an operation column and a capacitor; the power distribution cabinet is connected with the operation column through a line from the power distribution cabinet to the operation column with the voltage of 220KV, the operation column is connected with the power distribution cabinet through a line from the operation column to the power distribution cabinet starting line, and the capacitor is arranged on the line from the operation column to the power distribution cabinet starting line.
Furthermore, the line from the power distribution cabinet to the operation column with the voltage of 220KV does not pass through the operation column to carry out induction electrification on the starting line from the operation column to the power distribution cabinet, and the induced electricity generated by the line from the operation column to the starting line from the power distribution cabinet is absorbed and released through a capacitor.
Compared with the prior art, when the induced electricity of the starting circuit passes through the starting loop inlet of the motor protector of the power distribution cabinet, the self induced electricity of the starting loop by the control cable is released to the ground through the capacitor, so that the induced electricity is eliminated, and the potential safety hazard of self starting of the running equipment is avoided.
Description of the drawings:
FIG. 1 is a schematic diagram of increasing capacitance according to the present invention.
Detailed Description
The present invention will be described in further detail with reference to specific examples. The embodiment is implemented on the premise of the technical solution of the present invention, and a detailed implementation manner and a specific operation process are given, but the protection scope of the present invention is not limited to the embodiment.
The embodiment of the invention provides a method for eliminating the induced electricity of a starting circuit of running equipment, which is specifically characterized in that a capacitor is added on the starting circuit of the running equipment and is grounded so as to eliminate the induced electricity of the starting circuit. The induced electricity of the starting circuit is released to the ground through the capacitor, so that the starting line keeps the same potential as the ground in a non-starting state, and the self-starting phenomenon is avoided.
The operation equipment starting circuit in the embodiment of the invention comprises a power distribution cabinet 11, a circuit 12 from the power distribution cabinet to an operation column with the voltage of 220KV, a starting circuit 13 from the operation column to the power distribution cabinet, an operation column 14 and a capacitor 15; the power distribution cabinet 11 is connected with an operation column 14 through a line 12 from a power distribution cabinet to the operation column with the voltage of 220KV, the operation column 14 is connected with the power distribution cabinet 11 through a line 13 from the operation column to a power distribution cabinet starting line, and a capacitor 15 is installed on the line 13 from the operation column to the power distribution cabinet starting line.
The specific steps of eliminating the induced electricity of the starting circuit of the running equipment in the embodiment are as follows: the line 12 with the voltage from the power distribution cabinet to the operation column of 220KV does not pass through the operation column 14 to carry out induction electrification on the line 13 from the operation column to the power distribution cabinet, and the induced electricity generated from the operation column to the power distribution cabinet starting line 13 is absorbed and released through the capacitor 15.
Claims (3)
1. A method for eliminating the induced electricity of the starting line of the running equipment is characterized in that a capacitor is added on the starting line of the running equipment and is grounded so as to eliminate the induced electricity of the starting line.
2. The method for eliminating the induced electricity of the starting line of the running equipment according to claim 1, wherein the starting line of the running equipment comprises a power distribution cabinet (11), a line (12) with 220KV voltage from a power distribution cabinet to an operation column, a starting line (13) from the operation column to the power distribution cabinet, an operation column (14) and a capacitor (15); a circuit (12) with 220KV voltage from a power distribution cabinet to an operation column of a power distribution cabinet (11) is connected with the operation column (14), the operation column (14) is connected with the power distribution cabinet (11) from the operation column to a power distribution cabinet starting circuit (13), and a capacitor (15) is installed on the operation column to the power distribution cabinet starting circuit (13).
3. The method for eliminating the induced electricity of the starting line of the running equipment according to claim 2, characterized in that the line (12) with the voltage of 220KV from the power distribution cabinet to the operating column does not pass through the operating column (14) to inductively charge the starting line (13) from the operating column to the power distribution cabinet, and the induced electricity generated by the starting line (13) from the operating column to the power distribution cabinet is absorbed and released through the capacitor (15).
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011248061.1A CN112490869A (en) | 2020-11-10 | 2020-11-10 | Method for eliminating induced electricity of starting circuit of running equipment |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN202011248061.1A CN112490869A (en) | 2020-11-10 | 2020-11-10 | Method for eliminating induced electricity of starting circuit of running equipment |
Publications (1)
Publication Number | Publication Date |
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CN112490869A true CN112490869A (en) | 2021-03-12 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN202011248061.1A Pending CN112490869A (en) | 2020-11-10 | 2020-11-10 | Method for eliminating induced electricity of starting circuit of running equipment |
Country Status (1)
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CN (1) | CN112490869A (en) |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2472399Y (en) * | 2001-02-22 | 2002-01-16 | 美上达国际有限公司 | Interference free motor protector |
CN201893553U (en) * | 2010-12-06 | 2011-07-06 | 华为终端有限公司 | Vibrating circuit and mobile terminal |
CN104937828A (en) * | 2013-01-23 | 2015-09-23 | 矢崎总业株式会社 | Noise-reducing shielded cable |
CN205490292U (en) * | 2016-01-27 | 2016-08-17 | 上海鼎讯电子有限公司 | Motor drive circuit and mobile terminal |
CN209339941U (en) * | 2019-01-03 | 2019-09-03 | 淮南矿业(集团)有限责任公司 | A kind of too ore mining coal machine control system |
-
2020
- 2020-11-10 CN CN202011248061.1A patent/CN112490869A/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN2472399Y (en) * | 2001-02-22 | 2002-01-16 | 美上达国际有限公司 | Interference free motor protector |
CN201893553U (en) * | 2010-12-06 | 2011-07-06 | 华为终端有限公司 | Vibrating circuit and mobile terminal |
CN104937828A (en) * | 2013-01-23 | 2015-09-23 | 矢崎总业株式会社 | Noise-reducing shielded cable |
CN205490292U (en) * | 2016-01-27 | 2016-08-17 | 上海鼎讯电子有限公司 | Motor drive circuit and mobile terminal |
CN209339941U (en) * | 2019-01-03 | 2019-09-03 | 淮南矿业(集团)有限责任公司 | A kind of too ore mining coal machine control system |
Non-Patent Citations (3)
Title |
---|
刘大平;: "浅谈消除交流控制线路中感应电压影响的方法", 科技风 * |
安江波;袁志强;翟晓铭;: "消除交流控制线路中感应电压影响的方法", 机电工程技术 * |
栾瑞瑛;: "控制回路中电缆感应电压分析及解决方案", 通讯世界 * |
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Application publication date: 20210312 |