CN105468080A - Voltage stabilizing system for electric transmission and transformation equipment - Google Patents

Voltage stabilizing system for electric transmission and transformation equipment Download PDF

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Publication number
CN105468080A
CN105468080A CN201610016799.2A CN201610016799A CN105468080A CN 105468080 A CN105468080 A CN 105468080A CN 201610016799 A CN201610016799 A CN 201610016799A CN 105468080 A CN105468080 A CN 105468080A
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China
Prior art keywords
voltage
bucking
compensation
voltage compensation
circuit
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Application number
CN201610016799.2A
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Chinese (zh)
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CN105468080B (en
Inventor
王家兴
林志贤
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Wuyuan Shenghong Electric Power Engineering Co Ltd
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Individual
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    • GPHYSICS
    • G05CONTROLLING; REGULATING
    • G05FSYSTEMS FOR REGULATING ELECTRIC OR MAGNETIC VARIABLES
    • G05F1/00Automatic systems in which deviations of an electric quantity from one or more predetermined values are detected at the output of the system and fed back to a device within the system to restore the detected quantity to its predetermined value or values, i.e. retroactive systems
    • G05F1/10Regulating voltage or current
    • G05F1/46Regulating voltage or current wherein the variable actually regulated by the final control device is dc
    • G05F1/56Regulating voltage or current wherein the variable actually regulated by the final control device is dc using semiconductor devices in series with the load as final control devices

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Electromagnetism (AREA)
  • General Physics & Mathematics (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Automation & Control Theory (AREA)
  • Supply And Distribution Of Alternating Current (AREA)
  • Control Of Electrical Variables (AREA)

Abstract

The invention provides a voltage stabilizing system for electric transmission and transformation equipment. The voltage stabilizing system comprises input voltage detection modules, a controller, a voltage compensation module and a voltage stabilizing circuit module. The input voltage detection modules are connected to the two ends of the equipment about to be subjected to voltage stabilizing and used for acquiring the current voltage value of the equipment about to be subjected to voltage stabilizing. The controller receives the current voltage value sent by the input voltage detection modules and compares the preset voltage value with the current voltage value, the compensating voltage value is obtained through calculation, and a voltage compensation command is set to the voltage compensation module according to the compensating voltage value. The voltage compensation module receives the voltage compensation command sent by the controller and is communicated with the voltage compensation circuit for voltage compensation operation. The voltage stabilizing module is arranged between the voltage compensation module and the equipment about to be subjected to voltage stabilizing. The voltage stabilizing system for the electric transmission and transformation equipment can well stabilize voltage and protect the equipment.

Description

A kind of power transmission and transforming equipment voltage-stabilizing system
Technical field
The invention belongs to power transmission and transformation field.More particularly, the present invention relates to a kind of power transmission and transforming equipment voltage-stabilizing system.
Background technology
In power transmission and transformation process, usually there will be the situation of voltage instability, will cause equipment damage in various degree like this, serious words also can be accidents caused, causes inestimable and loss that is unrepairable.
Summary of the invention
An object of the present invention is to solve at least the problems referred to above, and the advantage will illustrated at least is below provided.
In order to realize these objects of the present invention and other advantage, provide a kind of power transmission and transforming equipment voltage-stabilizing system, it comprises:
Input voltage measurement module, it is connected in parallel on the two ends for the treatment of pressure stabilizing device and for gathering the current voltage value treated on pressure stabilizing device;
Controller, it receives the current voltage value that input voltage measurement module is sent, and compares scheduled voltage and current voltage value, calculates bucking voltage value, and sends voltage compensation order according to bucking voltage value to voltage compensation module;
Voltage compensation module, it accepts voltage compensation order that controller sends and turn-on voltage compensating circuit carries out voltage compensation operation;
Voltage stabilizing circuit module, it is arranged on voltage compensation module and treats between pressure stabilizing device.
Preferably, in described power transmission and transforming equipment voltage-stabilizing system, different bucking voltage values is provided with different voltage compensation orders.
Preferably, in described power transmission and transforming equipment voltage-stabilizing system,
When bucking voltage value is less than 2% of scheduled voltage, the voltage compensation time in voltage compensation order is 0.1ms-0.5ms;
When bucking voltage value is less than 10% of scheduled voltage, the voltage compensation time in voltage compensation order is 1ms-3ms;
When bucking voltage value is less than 30% of scheduled voltage, the voltage compensation time in voltage compensation order is 5ms-15ms;
When bucking voltage value exceedes 30% of scheduled voltage, the voltage compensation time in voltage compensation order is 30ms-50ms, can not cause the sudden change of voltage, and then proterctive equipment.
Preferably, in described power transmission and transforming equipment voltage-stabilizing system, in voltage compensation order, bucking voltage increment rate is also comprised.
Preferably, in described power transmission and transforming equipment voltage-stabilizing system,
When bucking voltage value is less than 30% of scheduled voltage, the bucking voltage increment rate in voltage compensation order is 4%/ms;
When bucking voltage value exceedes 30% of scheduled voltage, the bucking voltage increment rate in voltage compensation order is 10%/ms.
Preferably, in described power transmission and transforming equipment voltage-stabilizing system, described voltage stabilizing circuit module comprises three-phase voltage sensor, three-phase current sensor, A/D change-over circuit, microprocessor and ON-OFF control circuit, described three-phase voltage sensor, three-phase current sensor is connected to major loop coil on the circuit treating pressure stabilizing device, three-phase voltage sensor exports with the signal of three-phase current sensor and is connected A/D change-over circuit, A/D change-over circuit is connected with the Data Input Interface circuit of microprocessor by photoelectric isolating circuit, the data of microprocessor export and control described multidiameter option switch and compensating switch by ON-OFF control circuit.
The invention provides a kind of power transmission and transforming equipment voltage-stabilizing system, it comprises: input voltage measurement module, and it is connected in parallel on the two ends for the treatment of pressure stabilizing device and for gathering the current voltage value treated on pressure stabilizing device; Controller, it receives the current voltage value that input voltage measurement module is sent, and compares scheduled voltage and current voltage value, calculates bucking voltage value, and sends voltage compensation order according to bucking voltage value to voltage compensation module; Voltage compensation module, it accepts voltage compensation order that controller sends and turn-on voltage compensating circuit carries out voltage compensation operation; Voltage stabilizing circuit module, it is arranged on voltage compensation module and treats between pressure stabilizing device.Power transmission and transforming equipment voltage-stabilizing system provided by the invention, can be good at voltage stabilizing, proterctive equipment.
Part is embodied by explanation below by other advantage of the present invention, target and feature, part also will by research and practice of the present invention by those skilled in the art is understood.
Embodiment
Below in conjunction with embodiment, the present invention is described in further detail, can implement according to this with reference to instructions word to make those skilled in the art.
Should be appreciated that used hereinly such as " to have ", other element one or more do not allotted in " comprising " and " comprising " term or the existence of its combination or interpolation.
The invention provides a kind of power transmission and transforming equipment voltage-stabilizing system, it comprises:
Input voltage measurement module, it is connected in parallel on the two ends for the treatment of pressure stabilizing device and for gathering the current voltage value treated on pressure stabilizing device;
Controller, it receives the current voltage value that input voltage measurement module is sent, and compares scheduled voltage and current voltage value, calculates bucking voltage value, and sends voltage compensation order according to bucking voltage value to voltage compensation module;
Voltage compensation module, it accepts voltage compensation order that controller sends and turn-on voltage compensating circuit carries out voltage compensation operation;
Voltage stabilizing circuit module, it is arranged on voltage compensation module and treats between pressure stabilizing device.
In described power transmission and transforming equipment voltage-stabilizing system, different bucking voltage values is provided with different voltage compensation orders.
In described power transmission and transforming equipment voltage-stabilizing system,
When bucking voltage value is less than 2% of scheduled voltage, the voltage compensation time in voltage compensation order is 0.1ms-0.5ms;
When bucking voltage value is less than 10% of scheduled voltage, the voltage compensation time in voltage compensation order is 1ms-3ms;
When bucking voltage value is less than 30% of scheduled voltage, the voltage compensation time in voltage compensation order is 5ms-15ms;
When bucking voltage value exceedes 30% of scheduled voltage, the voltage compensation time in voltage compensation order is 30ms-50ms.
In described power transmission and transforming equipment voltage-stabilizing system, in voltage compensation order, also comprise bucking voltage increment rate.
In described power transmission and transforming equipment voltage-stabilizing system,
When bucking voltage value is less than 30% of scheduled voltage, the bucking voltage increment rate in voltage compensation order is 4%/ms;
When bucking voltage value exceedes 30% of scheduled voltage, the bucking voltage increment rate in voltage compensation order is 10%/ms.
In described power transmission and transforming equipment voltage-stabilizing system, voltage stabilizing circuit module described in it comprises three-phase voltage sensor, three-phase current sensor, A/D change-over circuit, microprocessor and ON-OFF control circuit, described three-phase voltage sensor, three-phase current sensor is connected to major loop coil on the circuit treating pressure stabilizing device, three-phase voltage sensor exports with the signal of three-phase current sensor and is connected A/D change-over circuit, A/D change-over circuit is connected with the Data Input Interface circuit of microprocessor by photoelectric isolating circuit, the data of microprocessor export and control described multidiameter option switch and compensating switch by ON-OFF control circuit.
Although embodiment of the present invention are open as above, but it is not restricted to listed in instructions and embodiment utilization, it can be applied to various applicable the field of the invention completely, for those skilled in the art, can easily realize other amendment, therefore do not deviating under the universal that claim and equivalency range limit, the present invention is not limited to specific details.

Claims (6)

1. a power transmission and transforming equipment voltage-stabilizing system, is characterized in that, comprising:
Input voltage measurement module, it is connected in parallel on the two ends for the treatment of pressure stabilizing device and for gathering the current voltage value treated on pressure stabilizing device;
Controller, it receives the current voltage value that input voltage measurement module is sent, and compares scheduled voltage and current voltage value, calculates bucking voltage value, and sends voltage compensation order according to bucking voltage value to voltage compensation module;
Voltage compensation module, it accepts voltage compensation order that controller sends and turn-on voltage compensating circuit carries out voltage compensation operation;
Voltage stabilizing circuit module, it is arranged on voltage compensation module and treats between pressure stabilizing device.
2. power transmission and transforming equipment voltage-stabilizing system as claimed in claim 1, is characterized in that, different bucking voltage values is provided with different voltage compensation orders.
3. power transmission and transforming equipment voltage-stabilizing system as claimed in claim 2, is characterized in that,
When bucking voltage value is less than 2% of scheduled voltage, the voltage compensation time in voltage compensation order is 0.1ms-0.5ms;
When bucking voltage value is less than 10% of scheduled voltage, the voltage compensation time in voltage compensation order is 1ms-3ms;
When bucking voltage value is less than 30% of scheduled voltage, the voltage compensation time in voltage compensation order is 5ms-15ms;
When bucking voltage value exceedes 30% of scheduled voltage, the voltage compensation time in voltage compensation order is 30ms-50ms.
4. power transmission and transforming equipment voltage-stabilizing system as claimed in claim 2, is characterized in that, also comprise bucking voltage increment rate in voltage compensation order.
5. power transmission and transforming equipment voltage-stabilizing system as claimed in claim 4, is characterized in that,
When bucking voltage value is less than 30% of scheduled voltage, the bucking voltage increment rate in voltage compensation order is 4%/ms;
When bucking voltage value exceedes 30% of scheduled voltage, the bucking voltage increment rate in voltage compensation order is 10%/ms.
6. power transmission and transforming equipment voltage-stabilizing system as claimed in claim 1, it is characterized in that, described voltage stabilizing circuit module comprises three-phase voltage sensor, three-phase current sensor, A/D change-over circuit, microprocessor and ON-OFF control circuit, described three-phase voltage sensor, three-phase current sensor is connected to major loop coil on the circuit treating pressure stabilizing device, three-phase voltage sensor exports with the signal of three-phase current sensor and is connected A/D change-over circuit, A/D change-over circuit is connected with the Data Input Interface circuit of microprocessor by photoelectric isolating circuit, the data of microprocessor export and control described multidiameter option switch and compensating switch by ON-OFF control circuit.
CN201610016799.2A 2016-01-11 2016-01-11 A kind of power transmission and transforming equipment voltage-stabilizing system Expired - Fee Related CN105468080B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610016799.2A CN105468080B (en) 2016-01-11 2016-01-11 A kind of power transmission and transforming equipment voltage-stabilizing system

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Application Number Priority Date Filing Date Title
CN201610016799.2A CN105468080B (en) 2016-01-11 2016-01-11 A kind of power transmission and transforming equipment voltage-stabilizing system

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CN105468080B CN105468080B (en) 2017-05-31

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Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101393465A (en) * 2008-10-28 2009-03-25 上海电力学院 Bridge type series, parallel and mixture connection electric energy regulator based on IGBT
CN104133511A (en) * 2014-08-20 2014-11-05 无锡市南方防爆电机有限公司 Digital display compensation power voltage stabilizer used for anti-explosion transformer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101393465A (en) * 2008-10-28 2009-03-25 上海电力学院 Bridge type series, parallel and mixture connection electric energy regulator based on IGBT
CN104133511A (en) * 2014-08-20 2014-11-05 无锡市南方防爆电机有限公司 Digital display compensation power voltage stabilizer used for anti-explosion transformer

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Inventor after: Wang Jianbiao

Inventor before: Wang Jiaxing

Inventor before: Lin Zhixian

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Address after: 362100 Quanzhou City, Taiwan investment zone, Fujian Town, Zhang Zhang Town Village

Applicant after: Wang Jianbiao

Address before: 362801 Quanzhou, Fujian, Quangang District, No. five Spring Road, No. 247

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Effective date of registration: 20190428

Address after: 333200 Wengong South Road, Ziyang Town, Wuyuan County, Shangrao City, Jiangxi Province

Patentee after: Wuyuan Shenghong Electric Power Engineering Co., Ltd.

Address before: 362100 Yu Cheng village, Zhang ban Town, Quanzhou City, Fujian Province

Patentee before: Wang Jianbiao

CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20170531

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CF01 Termination of patent right due to non-payment of annual fee