CN202634061U - High-voltage switch monitoring system power supply for transformer station - Google Patents

High-voltage switch monitoring system power supply for transformer station Download PDF

Info

Publication number
CN202634061U
CN202634061U CN2012201683505U CN201220168350U CN202634061U CN 202634061 U CN202634061 U CN 202634061U CN 2012201683505 U CN2012201683505 U CN 2012201683505U CN 201220168350 U CN201220168350 U CN 201220168350U CN 202634061 U CN202634061 U CN 202634061U
Authority
CN
China
Prior art keywords
output
filter circuit
diode
power supply
power
Prior art date
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
CN2012201683505U
Other languages
Chinese (zh)
Inventor
王振浩
李国庆
杨树权
范乃心
辛业春
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
LIAONING ELECTRIC POWER Co Ltd
Northeast Electric Power University
Original Assignee
LIAONING ELECTRIC POWER Co Ltd
Northeast Dianli University
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by LIAONING ELECTRIC POWER Co Ltd, Northeast Dianli University filed Critical LIAONING ELECTRIC POWER Co Ltd
Priority to CN2012201683505U priority Critical patent/CN202634061U/en
Application granted granted Critical
Publication of CN202634061U publication Critical patent/CN202634061U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Abstract

The utility model relates to a high-voltage switch monitoring system power supply for a transformer station, being characterized in that an energy-acquiring coil T is sleeved on a power cable for acquiring the energy from the power cable through the electromagnetic induction principle; two output ends are connected with a single-phase bridge type rectification filter circuit; two sub sides of the energy-acquiring coil T is connected with a diode TVS1 in parallel; the output ends are connected with a rectifier bridge ZB; the output of the rectifier bridge ZB is connected with a filter circuit which comprises an L1 and a C1; a TVS2 is connected with the C1 in parallel; a D1 is that a Zener diode is connected with a power triode Q; a DC/DC is a voltage stabilization chip; the front end of the DC/DC is connected with an electrolytic capacitor C2 in parallel, and the output of the electrolytic capacitor C2 is connected with the positive electrode of a D2 which is a Zener diode; the positive electrode of the D2 is connected with one LC filter circuit which comprises an L2 and a C3; the output of the electrolytic capacitor C2 is connected with a diode D3; the output of the D3 is connected with a series loop of an R1 and a super capacitance; the R1 is used for current-limiting for charging; the positive electrode of the super capacitance is connected with a D4 which is a battery energy storage loop; the D4 is connected with a standby battery and a resistor R2 in series; and a circuit Uo1 and a circuit Uo2 are the power output ends. The high-voltage switch monitoring system power supply for a transformer station realizes that when the power supply provides reliable energy supply for an electronic monitoring device, the reliable insulation over the ground can be guaranteed by means of the mode of acquiring electricity through induction; and the high-voltage switch monitoring system power supply for a transformer station has the advantages of simplicity, economical efficiency and reliability, and is suitable for different application occasions in the transformer station.

Description

Transformer station's high-voltage switch gear monitoring system power supply
Technical field
The utility model relates to a kind of transformer station high-voltage switch gear monitoring system power supply, belongs to the power supply of switch yard circuit breaker in a kind of transformer station, isolating switch real time on-line monitoring system.
Background technology
Power supply obtains very inconvenience in the transformer station, for the safety of primary equipment, does not allow to insert its operating power sometimes, and it is far away that the power-supply system that permission inserts is often left pass equipment, needs the ditching underground pipelines to introduce, and construction volume is bigger.In order to satisfy the power demands of monitoring equipment, native system has designed the supply power mode of induction power taking, obtains energy from the power cable induced nearby, keeps original electric power system mode constant, and satisfies the power reguirements of native system.Being employed on the power cable lead that suit gets can coil induction alternating voltage; Output DC source after over commutation, filtering, voltage stabilizing then; Power supply can guarantee reliable insulation over the ground when giving the reliable energy supply of electronic monitoring device, have simple, economic, reliable advantage.
Summary of the invention
The purpose of the utility model provides a kind of transformer station high-voltage switch gear monitoring system power supply; It is through the mode of induction power taking; Power supply is when giving the reliable energy supply of electronic monitoring device; Can guarantee reliable insulation over the ground, have simple, economic, reliable advantage, adapt to different application scenario in the transformer station.
The technical scheme of the utility model is achieved in that transformer station's high-voltage switch gear monitoring system power supply, it is characterized in that: get and can be sleeved on the power cable by coil T, through electromagnetic induction principle; By obtaining energy on the power cable, two outputs are received single-phase bridge rectification, filter circuit, get ability coil T secondary side parallel diode TVS1; Output connects rectifier bridge ZB, and rectifier bridge ZB output connects filter circuit, and filter circuit L1 and electrolytic capacitor C1 constitute filter circuit; Diode TVS2 is connected in parallel on the electrolytic capacitor C1, and D1 is that voltage stabilizing didoe connects pliotron Q, and DC/DC is the voltage stabilizing chip; Voltage stabilizing chip DC/DC front end parallel connection electrolytic capacitor C2, output is connected with voltage stabilizing didoe D2 is anodal, 1 filter circuit LC of the anodal connection of voltage stabilizing didoe D2; Be made up of filter circuit L2 and electrolytic capacitor C3, output connects diode D3, and diode D3 output connects the series loop of resistance R 1 and super capacitor; Resistance R 1 plays the effect of charging current limiter; The positive pole of super capacitor connects the diode D4 in battery energy storage loop, and diode D4 connects with reserve battery, resistance R 2, and circuit U o1 and Uo2 are power output end.
The good effect of the utility model is it through responding to the mode of power taking, and power supply can guarantee reliable insulation over the ground when giving the reliable energy supply of electronic monitoring device, has simple, economic, advantage reliably, adapts to different application scenario in the transformer station.
Description of drawings
Fig. 1 is the circuit block diagram of the utility model.
Embodiment
Below in conjunction with accompanying drawing the utility model is described further: as shown in Figure 1, transformer station's high-voltage switch gear monitoring system power supply is characterized in that: get and can be sleeved on the power cable by coil T, through electromagnetic induction principle; By obtaining energy on the power cable, two outputs are received single-phase bridge rectification, filter circuit, and induction coil T secondary side parallel connection Transient Suppression Diode TVS1 plays the effect that suppresses instant high-voltage; Output connects rectifier bridge ZB, and rectifier bridge output connects filter circuit, and filter circuit L1 and C1 constitute filter circuit; TVS2 is connected in parallel on the electrolytic capacitor C1, suppresses the DC loop instant high-voltage, and D1 is a voltage stabilizing didoe; Connect pliotron Q, when voltage during greater than 10V, voltage stabilizing didoe D1 punctures; Large power triode Q work, the energy entering operating state of releasing, excess energy is released through large power triode; When U DCWhen low, circuit is not worked, and therefore can not influence operate as normal under power initiation electric current and the little electric current.DC/DC front end parallel connection electrolytic capacitor C2 carries out filtering once more, and DC/DC is the voltage stabilizing chip, and this power supply DC-DC module has been selected AMC34063A, and input voltage range is 3-40V; Output voltage 5V, maximum output current 1.5A, the quiescent current of about 2mA; Have high conversion efficiency, high conversion efficiency helps further reducing starting current, improves output power of power supply; Output is connected with D2 is anodal, and D2 is a voltage stabilizing didoe, plays deboost; 1 LC filter circuit of the anodal connection of voltage stabilizing didoe D2 is made up of filter circuit L2 and electrolytic capacitor C3, and output connects diode D3; The tank circuit that plays the back can not instead send effect a little, and diode D3 output connects the series loop of resistance R 1 and super capacitor, and resistance R 1 plays the effect of charging current limiter; The positive pole of super capacitor connects the diode D4 in battery energy storage loop, and diode D4 connect with reserve battery, resistance R 2, subsequent use output when the lithium battery effect is power supply supply and the induction electric energy deficiency when device powers on for the first time; Super capacitor instantaneously provides electric energy when more high-power as having, and is in the electric charge full state at ordinary times always, and circuit U o1 and Uo2 are power output end.

Claims (1)

1. transformer station's high-voltage switch gear monitoring system power supply is characterized in that: get and can be sleeved on the power cable by coil T, through electromagnetic induction principle; By obtaining energy on the power cable, two outputs are received single-phase bridge rectification, filter circuit, get ability coil T secondary side parallel diode TVS1; Output connects rectifier bridge ZB, and rectifier bridge ZB output connects filter circuit, and filter circuit L1 and electrolytic capacitor C1 constitute filter circuit; Diode TVS2 is connected in parallel on the electrolytic capacitor C1, and D1 is that voltage stabilizing didoe connects pliotron Q, and DC/DC is the voltage stabilizing chip; Voltage stabilizing chip DC/DC front end parallel connection electrolytic capacitor C2, output is connected with voltage stabilizing didoe D2 is anodal, 1 filter circuit LC of the anodal connection of voltage stabilizing didoe D2; Be made up of filter circuit L2 and electrolytic capacitor C3, output connects diode D3, and diode D3 output connects the series loop of resistance R 1 and super capacitor; Resistance R 1 plays the effect of charging current limiter; The positive pole of super capacitor connects the diode D4 in battery energy storage loop, and diode D4 connects with reserve battery, resistance R 2, and circuit U o1 and Uo2 are power output end.
CN2012201683505U 2012-04-20 2012-04-20 High-voltage switch monitoring system power supply for transformer station Expired - Fee Related CN202634061U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2012201683505U CN202634061U (en) 2012-04-20 2012-04-20 High-voltage switch monitoring system power supply for transformer station

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2012201683505U CN202634061U (en) 2012-04-20 2012-04-20 High-voltage switch monitoring system power supply for transformer station

Publications (1)

Publication Number Publication Date
CN202634061U true CN202634061U (en) 2012-12-26

Family

ID=47387206

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2012201683505U Expired - Fee Related CN202634061U (en) 2012-04-20 2012-04-20 High-voltage switch monitoring system power supply for transformer station

Country Status (1)

Country Link
CN (1) CN202634061U (en)

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103746443A (en) * 2013-12-27 2014-04-23 北京四方继保自动化股份有限公司 Alternating-current and direct-current power taking method for secondary circuit power supply of converter
CN104201757A (en) * 2014-06-17 2014-12-10 国家电网公司 Distribution network pole-mounted power supply device
CN105226732A (en) * 2015-11-16 2016-01-06 重庆大学 The draw-out power supply circuit of cable temperature monitoring device
CN105846660A (en) * 2015-11-01 2016-08-10 梁德新 Switching power supply circuit with function of power supply through backup battery
CN106408909A (en) * 2016-06-23 2017-02-15 潍坊五洲浩特电气有限公司 An intelligent electric energy meter adopting 2.4 G radio communication in place of infrared communication
CN108494036A (en) * 2018-03-29 2018-09-04 安克创新科技股份有限公司 Charging unit
CN108879973A (en) * 2018-07-11 2018-11-23 广东电网有限责任公司 Ultra-high-tension power transmission line sensing electricity getting device and system
CN109816915A (en) * 2019-03-20 2019-05-28 武汉恒安数联电子科技有限公司 A kind of fire acousto-optic alarm circuit

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103746443A (en) * 2013-12-27 2014-04-23 北京四方继保自动化股份有限公司 Alternating-current and direct-current power taking method for secondary circuit power supply of converter
CN104201757A (en) * 2014-06-17 2014-12-10 国家电网公司 Distribution network pole-mounted power supply device
CN105846660A (en) * 2015-11-01 2016-08-10 梁德新 Switching power supply circuit with function of power supply through backup battery
CN105846660B (en) * 2015-11-01 2018-10-26 梁德新 With the battery-powered switching power circuit of standby electricity
CN105226732A (en) * 2015-11-16 2016-01-06 重庆大学 The draw-out power supply circuit of cable temperature monitoring device
CN105226732B (en) * 2015-11-16 2018-06-26 重庆大学 The draw-out power supply circuit of cable temperature monitoring device
CN106408909A (en) * 2016-06-23 2017-02-15 潍坊五洲浩特电气有限公司 An intelligent electric energy meter adopting 2.4 G radio communication in place of infrared communication
CN108494036A (en) * 2018-03-29 2018-09-04 安克创新科技股份有限公司 Charging unit
CN108879973A (en) * 2018-07-11 2018-11-23 广东电网有限责任公司 Ultra-high-tension power transmission line sensing electricity getting device and system
CN109816915A (en) * 2019-03-20 2019-05-28 武汉恒安数联电子科技有限公司 A kind of fire acousto-optic alarm circuit

Similar Documents

Publication Publication Date Title
CN202634061U (en) High-voltage switch monitoring system power supply for transformer station
CN101888121B (en) Energy acquisition and power supply management device of current transformer of overhead line
CN103683455A (en) Supercapacitor based inductive energy-extracting power supply device of high-voltage measurement system
CN201985596U (en) Wireless charging system for electric automobile
CN204231188U (en) Power conversion circuit and transducer air conditioning
CN203589825U (en) Supercapacitor based inductive energy taking power supply device of high voltage measuring system
CN103227515A (en) Non-contact self-powered power supply for overhead high voltage line
CN204068408U (en) Be applied to the novel power taking supply unit of cable work well array water
CN101635523A (en) External mining intrinsic safety power supply
CN201418038Y (en) External intrinsic safety power supply for mining use
CN204231005U (en) Portable DC emergency power supply
CN204304500U (en) A kind of two-way exports charger
CN202334336U (en) Active electronic type transformer power supply
CN206977324U (en) Power circuit for low-voltage circuit breaker
CN204905976U (en) Power management means
CN104821633A (en) DC circuit power supply system
CN104821647A (en) DC power supply system
CN204145289U (en) Power starting circuit, inverse-excitation type switch power-supply circuit and inverse-excitation type switch power-supply
CN204615502U (en) The system power supply electric supply installation of bidirectional energy-storage photovoltaic DC-to-AC converter
CN203883517U (en) A power transmission line electronic equipment power supply system
CN202712915U (en) Distribution network acquisition terminal charged by solar energy
CN209627242U (en) A kind of automatic battery charger SS (soft start) control circuit
CN210839028U (en) Backup lithium battery UPS power supply circuit
CN205489748U (en) DC power supply system of transformer substation with electric capacity energy storage system
CN202565158U (en) Explosion suppression and intrinsic safety switch power with power factor correction

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
C17 Cessation of patent right
CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20121226

Termination date: 20130420