CN203218984U - Remote high-voltage switch controller - Google Patents

Remote high-voltage switch controller Download PDF

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Publication number
CN203218984U
CN203218984U CN 201320190070 CN201320190070U CN203218984U CN 203218984 U CN203218984 U CN 203218984U CN 201320190070 CN201320190070 CN 201320190070 CN 201320190070 U CN201320190070 U CN 201320190070U CN 203218984 U CN203218984 U CN 203218984U
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CN
China
Prior art keywords
voltage
processing unit
power supply
level
phase
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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.)
Expired - Fee Related
Application number
CN 201320190070
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Chinese (zh)
Inventor
谢军
陈宪庭
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Zhuhai Copower Electric Co Ltd
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Zhuhai Copower Electric Co Ltd
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Priority to CN 201320190070 priority Critical patent/CN203218984U/en
Application granted granted Critical
Publication of CN203218984U publication Critical patent/CN203218984U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model provides a remote high-voltage switch controller and can be applied to the field of high-voltage switch controller manufacturing. The high-voltage switch controller comprises switch phase current CTs (1), phase current measurement mutual inductors (2), three-phase voltage converter CT primaries (3), three-phase voltage converter CT secondary first stages (4), three-phase voltage converter CT secondary second stages (5), voltage processing units I (6), voltage processing units II (7), a power control processing unit (8), a power monitoring circuit (9) and a CPU control circuit (10). With the remote high-voltage switch controller, a voltage converter CT is used for converting CT secondary current into voltage, and the voltage, after being processed with dual-voltage rectification, charges a super capacitor and a single capacitor.

Description

A kind of distance type high-voltage switch controller
Technical field
The utility model relates to a kind of distance type high-voltage switch controller.
Background technology
At present, domestic all protection controls that have a high pressure user demarcation on-off controller mainly contain alternate protection, ground protection, Long-distance Control etc.Controller great majority adopt the PT power supply, and it is the cost height not only, and are easy to generate resonance each other during operation and produce fault even blast.Yet prior art has also had certain improvement, and prior art possesses instant protection control function simultaneously in order to reduce cost, attempt to replace PT with storage battery or super capacitor; For the ease of installing, it is attempted the try one's best miniaturization and be installed in switch inside of machine volume; Control for convenience, it adopts the backstage mode of monitoring in real time.General scheme is that the voltage that current transformer CT secondary side current produces is powered to power supply, but, the deficiency that prior art still exists has: when the CT of high-voltage switch gear secondary current hour, low can't the charging to power supply will be crossed because of charging voltage by system, long-time so system will cross to put and lose efficacy because of power supply, finally causes systemic breakdown; In the power supply network, make very little existing of CT secondary current through regular meeting owing to reasons such as user power utilization load switch CT transformation ratio selection very little, the user are incorrect, this moment electric power protection and monitoring is easy to lose efficacy; Be exactly relatively poor at the defencive function of immediate current in addition; So the reliability of prior art is difficult to guarantee.
In sum, effectively utilize and distribute the CT secondary current, effectively improve energy conversion rate and reduce system power dissipation, the reliability of efficiently utilizing Long-distance Control monitoring in real time to improve electric power protection becomes the important topic that this technology is improved.
Summary of the invention
Technical problem to be solved in the utility model is to overcome the deficiencies in the prior art, and a kind of simple in structure, distance type high-voltage switch controller that reliability is high and practical is provided.
The technical scheme that the utility model adopts is: the utility model comprises three identical switch phase current CT, two identical current phasor measurement instrument transformers, three identical three-phase voltage changer CT are elementary, CT level of three the identical three-phase voltage changers first order, CT level of three the identical three-phase voltage changers second level, three identical voltage processing unit I, three identical voltage processing unit II, the power supply controlled processing unit, power supply supervisory circuit and cpu control circuit, all above-mentioned three each identical elements divide three to be connected, the form that respectively is connected is identical, described three-phase voltage changer CT is elementary, CT level of the three-phase voltage changer first order, CT level of the three-phase voltage changer second level connects with iron core winding magnetic induction, CT level of the described three-phase voltage changer first order connects described voltage processing unit I, CT level of the described three-phase voltage changer second level connects described voltage processing unit II, described each voltage processing unit I in mutually, voltage processing unit II is the described power supply controlled processing unit of corresponding connection respectively, described power supply controlled processing unit connects power supply supervisory circuit and cpu control circuit, described power supply supervisory circuit connects described cpu control circuit, the primary side of described two identical current phasor measurement instrument transformers be connected to A mutually with the elementary loop of C three-phase voltage changer CT mutually in, secondary side is connected with described cpu control circuit.
Comprise super capacitor and single capacitor in the described power supply controlled processing unit; voltage after described voltage processing unit I is handled is described super capacitor charging and as the voltage source of described power supply controlled processing unit, and the voltage after described voltage processing unit II is handled is that described single capacitor charges to protect output.
Described cpu control circuit also both-way communication is connected with the GSM communication module.
The beneficial effects of the utility model are: because the utility model comprises three identical switch phase current CT, two identical current phasor measurement instrument transformers, three identical three-phase voltage changer CT are elementary, CT level of three the identical three-phase voltage changers first order, CT level of three the identical three-phase voltage changers second level, three identical voltage processing unit I, three identical voltage processing unit II, the power supply controlled processing unit, power supply supervisory circuit and cpu control circuit, all above-mentioned three each identical elements divide three to be connected, the form that respectively is connected is identical, described three-phase voltage changer CT is elementary, CT level of the three-phase voltage changer first order, CT level of the three-phase voltage changer second level connects with iron core winding magnetic induction, CT level of the described three-phase voltage changer first order connects described voltage processing unit I, CT level of the described three-phase voltage changer second level connects described voltage processing unit II, described each voltage processing unit I in mutually, voltage processing unit II is the described power supply controlled processing unit of corresponding connection respectively, described power supply controlled processing unit connects power supply supervisory circuit and cpu control circuit, described power supply supervisory circuit connects described cpu control circuit, the primary side of described two identical current phasor measurement instrument transformers be connected to A mutually with the elementary loop of C three-phase voltage changer CT mutually in, secondary side is connected with described cpu control circuit, comprise super capacitor and single capacitor in the described power supply controlled processing unit, voltage after described voltage processing unit I is handled is described super capacitor charging and as the voltage source of described power supply controlled processing unit, the voltage after described voltage processing unit II is handled be described single capacitor charge to protect the described cpu control circuit of output also both-way communication be connected with the GSM communication module; So the utlity model has following aspect advantage:
1, adopt the size of described current phasor measurement instrument transformer monitoring secondary current, when surpassing preset value, described cpu control circuit control switch separating brake prevents that circuit from burning.
2, adopt described three-phase voltage changer CT and select suitable no-load voltage ratio, the saturation condition when effectively having avoided big electric current.3, be the carrying out that guarantee charging and the normal operation of system, described three-phase voltage changer CT elementary is provided with the abundant number of turn, makes described three-phase current voltage changer produce sufficiently high voltage; In addition, when described power supply supervisory circuit detects voltage hour, described cpu control circuit is by described GSM communication module phase remote control terminal feedback information and inform effector's not executive control operation at this moment.
4, the secondary of described CT is divided into 6 groups altogether; connect respectively and have described voltage processing unit I and the described voltage processing unit II of rectification and times compression functions; owing to comprise super capacitor and single capacitor in the described power supply controlled processing unit; so; voltage after described voltage processing unit I is handled is that described super capacitor is charged as system's power supply, and the voltage after described voltage processing unit II is handled is that described single capacitor charges to protect output.
When 5, bigger or little electric current moment increased to fault current when electric current, described cpu control circuit in time was controlled to be single capacitor and charges to protect outlet, thereby does not lose at cpu control circuit under the prerequisite of protection, reasonable distribution and utilize the CT secondary voltage.
Description of drawings
Fig. 1 is the utility model circuit principle structure schematic diagram.
Embodiment
As shown in Figure 1, the utility model comprises three identical switch phase current CT1, two identical current phasor measurement instrument transformers 2, three identical three-phase voltage changer CT elementary 3, CT level of three the identical three-phase voltage changers first order 4, CT level of three the identical three-phase voltage changers second level 5, three identical voltage processing unit I 6, three identical voltage processing unit II 7, power supply controlled processing unit 8, power supply supervisory circuit 9 and cpu control circuit 10, all above-mentioned three each identical elements divide three to be connected, the form that respectively is connected is identical, described three-phase voltage changer CT elementary 3, CT level of the three-phase voltage changer first order 4, CT level of the three-phase voltage changer second level 5 connects with iron core winding magnetic induction, CT level of the described three-phase voltage changer first order 4 connects described voltage processing unit I 6, CT level of the described three-phase voltage changer second level 5 connects described voltage processing unit II 7, described each voltage processing unit I 6 in mutually, voltage processing unit II 7 is the described power supply controlled processing unit 8 of corresponding connection respectively, described power supply controlled processing unit 8 connects power supply supervisory circuit 9 and cpu control circuit 10, described power supply supervisory circuit 9 connects described cpu control circuit 10, the primary side of described two identical current phasor measurement instrument transformers 2 is connected in the loop of A phase and C three-phase voltage changer CT elementary 3 mutually, secondary side is connected with described cpu control circuit 10, and described cpu control circuit 10 is gone back both-way communication and is connected with the GSM communication module; Comprise super capacitor and single capacitor in the described power supply controlled processing unit 8, voltage after described voltage processing unit I 6 is handled is described super capacitor charging and as the voltage source of described power supply controlled processing unit 8, and the voltage after described voltage processing unit II 7 is handled is that described single capacitor charges to protect output; Present embodiment specifically is to utilize the CT secondary current by three-phase voltage changer CT, is transformed to the required voltage of super capacitor and single capacitor, and voltage is given the charging of super capacitor and single capacitor after described voltage processing unit I 6 and 7 processing of described voltage processing unit II.When secondary current hour, be to guarantee the carrying out of charging and the normal operation of system, described three-phase voltage changer CT elementary is provided with the abundant number of turn, makes described three-phase current voltage changer produce sufficiently high voltage; When transient fault appears in electric current, described cpu control circuit 10 control single capacitor protection outputs.When described power supply supervisory circuit detects voltage hour, described cpu control circuit is by the mutually long-range feedback related data of described GSM communication module, and closes some peripheral modules with the reduction power consumption.Described cpu control circuit 10 adopts the chip of high-performance, low-power consumption, in order to further cut down the consumption of energy.
The utility model can be applicable to high-voltage switch controller and makes the field.

Claims (3)

1. distance type high-voltage switch controller, it is characterized in that: it comprises three identical switch phase current CT(1), two identical current phasor measurement instrument transformers (2), three identical three-phase voltage changer CT elementary (3), CT level of three the identical three-phase voltage changers first order (4), CT level of three the identical three-phase voltage changers second level (5), three identical voltage processing unit I (6), three identical voltage processing unit II (7), power supply controlled processing unit (8), power supply supervisory circuit (9) and cpu control circuit (10), all above-mentioned three each identical elements divide three to be connected, the form that respectively is connected is identical, described three-phase voltage changer CT elementary (3), CT level of the three-phase voltage changer first order (4), three-phase voltage changer CT the level second level (5) connects with iron core winding magnetic induction, described three-phase voltage changer CT the level first order (4) connects described voltage processing unit I (6), described three-phase voltage changer CT the level second level (5) connects described voltage processing unit II (7), described each voltage processing unit I (6) in mutually, voltage processing unit II (7) is the corresponding described power supply controlled processing unit (8) that connects respectively, described power supply controlled processing unit (8) connects power supply supervisory circuit (9) and cpu control circuit (10), described power supply supervisory circuit (9) connects described cpu control circuit (10), the primary side of described two identical current phasor measurement instrument transformers (2) is connected in the loop of A phase and C three-phase voltage changer CT elementary (3) mutually, and secondary side is connected with described cpu control circuit (10).
2. a kind of distance type high-voltage switch controller according to claim 1; it is characterized in that: comprise super capacitor and single capacitor in the described power supply controlled processing unit (8); voltage after described voltage processing unit I (6) is handled is described super capacitor charging and as the voltage source of described power supply controlled processing unit (8), and the voltage after described voltage processing unit II (7) is handled is that described single capacitor charges to protect output.
3. a kind of distance type high-voltage switch controller according to claim 1, it is characterized in that: described cpu control circuit (10) is gone back both-way communication and is connected with the GSM communication module.
CN 201320190070 2013-04-16 2013-04-16 Remote high-voltage switch controller Expired - Fee Related CN203218984U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201320190070 CN203218984U (en) 2013-04-16 2013-04-16 Remote high-voltage switch controller

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201320190070 CN203218984U (en) 2013-04-16 2013-04-16 Remote high-voltage switch controller

Publications (1)

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CN203218984U true CN203218984U (en) 2013-09-25

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104767282A (en) * 2015-04-08 2015-07-08 杨策 High-voltage automatic switch controller for three-phase power

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104767282A (en) * 2015-04-08 2015-07-08 杨策 High-voltage automatic switch controller for three-phase power
CN104767282B (en) * 2015-04-08 2017-03-15 杨策 Three-phase power high-voltage automatic switch controller

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GR01 Patent grant
C14 Grant of patent or utility model
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20130925

Termination date: 20160416

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