CN106451165A - Transformer substation with good electric insulation performance - Google Patents

Transformer substation with good electric insulation performance Download PDF

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Publication number
CN106451165A
CN106451165A CN201610926068.1A CN201610926068A CN106451165A CN 106451165 A CN106451165 A CN 106451165A CN 201610926068 A CN201610926068 A CN 201610926068A CN 106451165 A CN106451165 A CN 106451165A
Authority
CN
China
Prior art keywords
zinc
oxide piezoresistor
oxide
insulation
lightning arrester
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.)
Withdrawn
Application number
CN201610926068.1A
Other languages
Chinese (zh)
Inventor
胡妍
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.)
Yueqing Fengjie Electronic Technology Co Ltd
Original Assignee
Yueqing Fengjie Electronic Technology Co Ltd
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 Yueqing Fengjie Electronic Technology Co Ltd filed Critical Yueqing Fengjie Electronic Technology Co Ltd
Priority to CN201610926068.1A priority Critical patent/CN106451165A/en
Publication of CN106451165A publication Critical patent/CN106451165A/en
Withdrawn legal-status Critical Current

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Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02B—BOARDS, SUBSTATIONS OR SWITCHING ARRANGEMENTS FOR THE SUPPLY OR DISTRIBUTION OF ELECTRIC POWER
    • H02B7/00—Enclosed substations, e.g. compact substations
    • H02B7/06—Distribution substations, e.g. for urban network
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01C—RESISTORS
    • H01C7/00—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material
    • H01C7/10—Non-adjustable resistors formed as one or more layers or coatings; Non-adjustable resistors made from powdered conducting material or powdered semi-conducting material with or without insulating material voltage responsive, i.e. varistors
    • H01C7/12—Overvoltage protection resistors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02G—INSTALLATION OF ELECTRIC CABLES OR LINES, OR OF COMBINED OPTICAL AND ELECTRIC CABLES OR LINES
    • H02G13/00—Installations of lightning conductors; Fastening thereof to supporting structure
    • 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
    • H02H9/02—Emergency protective circuit arrangements for limiting excess current or voltage without disconnection responsive to excess current
    • H02H9/026—Current limitation using PTC resistors, i.e. resistors with a large positive temperature coefficient

Abstract

The invention discloses a transformer substation with a good electric insulation performance. The transformer substation comprises a high-voltage chamber, a transformer chamber and a low-voltage chamber, an isolating switch, a lightning arrester and a high-voltage wiring terminal are arranged in the high-voltage chamber, the isolating switch and the lightning arrester are connected with an external high voltage cable, the high-voltage wiring terminal is used for electrically connecting with the transformer chamber, the lightning arrester is arranged on a connecting wire of a wire outlet terminal of the isolating switch and the high-voltage wiring terminal, and the lightning arrester comprises an insulation piercing connector with two wire clamping holes and a zinc oxide arrester electrically connected with the insulation piercing connector. The transformer substation is more stable and reliable in electric performance.

Description

A kind of preferable transformer station of electrical insulation properties
Technical field
The invention belongs to electrical equipment technical field, and in particular to a kind of preferable transformer station of electrical insulation properties.
Background technology
Box-type substation is a kind of high-tension switch gear, distribution transformer and low-voltage distribution equipment, by certain connection plan Row's all-in-one-piece prefabrication is indoor, outdoor close-coupled controller switching equipment, will high powered, transformer pressure-reducing, low-voltage distribution etc. Function is organically combined, installed in a protection against the tide, antirust, dust-proof, protection against rodents, fire prevention, antitheft, heat-insulated, totally-enclosed, removable In dynamic steel-structure box body, electromechanical integration, totally-enclosed operation, urban network construction and upgradation is particularly well-suited to, is the civil engineering power transformation that continues A kind of brand-new transformer station for emerging after standing.Transformer station instead of original civil engineering power distribution room, and power distribution station becomes new and becomes Set becomes power distribution equipment, it is adaptable to residential quarters, city public transformer, bustling downtown area, construction power supply, mine, factory and enterprise, oil gas field And wind power station, user can be according to different use conditions, the box change of load level selection.Transformer station's since the advent of the world, sends out Exhibition is extremely rapid, has accounted for the 70% of distribution transformer in countries in Europe, and the U.S. has accounted for 90%.
In order to meet the demand of different clients, the structure change of existing transformer station is more, but the expansion with purposes, its Structure still needs improvements badly.
Content of the invention
It is an object of the invention to provide a kind of preferable transformer station of electrical insulation properties.
The technical scheme for realizing the object of the invention is：A kind of preferable transformer station of electrical insulation properties, including altitude chamber, change Depressor room and low-pressure chamber；Be provided with high pressure room disconnecting switch connected with external high tension cable, lightning arrester and for change The high tension terminal of depressor room electrical connection；Lightning arrester is arranged on the line of disconnecting switch outlet column and high tension terminal；Its It is characterised by：Lightning arrester includes the insulation puncture line clamping for being provided with two clamp holes and the oxidation for electrically connecting with insulation puncture line clamping Zinc spark gap；The Zinc-Oxide Arrester includes insulation crust, the Zinc-oxide piezoresistor being arranged in insulation crust and oxidation Connect electric stud and electrically connect down with Zinc-oxide piezoresistor lower end in the electrical connection of zinc varistor upper end and connect electric stud, setting Upper conducting strip, the lower conducting strip for being arranged on Zinc-oxide piezoresistor lower end in Zinc-oxide piezoresistor upper end, parcel zinc oxide Middle control module and control module phase with middle that the resin protective layer of varistor, temperature sensor are electrically connected with temperature sensor Radio receiving transmitting module even；On connect the bottom of electric stud and be crimped on the top of conducting strip, under connect the top apical grafting of electric stud On the bottom of lower conducting strip；The air gap with atmosphere is left between resin protective layer and the outer wall of Zinc-oxide piezoresistor； The temperature sensor includes two thermo-sensitive resistors in insulation crust, and two thermo-sensitive resistor distributions are arranged on zinc oxide The outside of varistor.
The present invention due to connecting disconnecting switch outlet column and high tension terminal using insulation puncture line clamping and insulation cable, The electrical insulation properties in high pressure room can be effectively lifted, performance is more reliable and more stable.
Description of the drawings
Fig. 1 is a kind of structural representation of the present invention；
Fig. 2 is a kind of perspective view of lightning arrester in transformer station shown in Fig. 1；
Fig. 3 is a kind of half-section diagram of lightning arrester shown in Fig. 2；
Fig. 4 is a kind of perspective view of lightning arrester shown in Fig. 2；
Fig. 5 be lightning arrester shown in Fig. 2 from another angle observe when a kind of perspective view.
Specific embodiment
（Embodiment 1）
The present embodiment is a kind of transformer station, as shown in Fig. 1 to Fig. 5, including altitude chamber 71, transformer room 72 and low-pressure chamber 73；High Disconnecting switch 74 connected with external high tension cable, lightning arrester 75 is provided with pressure chamber and for electrically connecting with transformer room High tension terminal 76；Lightning arrester is arranged on the line of disconnecting switch outlet column 741 and high tension terminal；Lightning arrester bag Include the insulation puncture line clamping for being provided with two clamp holes and the Zinc-Oxide Arrester 5 for electrically connecting with insulation puncture line clamping；Disconnecting switch Electrically connected by the first insulation cable 77 between outlet column and a clamp hole of insulation puncture line clamping, insulation puncture line clamping another Electrically connected by the second insulation cable 78 between one clamp hole and high tension terminal.
The insulation puncture line clamping includes insulating base 1, lower insulating base 2, is arranged in insulating base and lower insulating base Two puncture tool rest 3, upper positioning metal part 4, lower positioning metal part 5 and bolt fastening component 6；Described two puncture tool rests 3rd, the center of upper positioning metal part 4 and lower positioning metal part 5 is equipped with the waist-shaped hole 100 for running through along the vertical direction, the spiral shell Bolt fastening assembly includes screw rod 61 and nut 62, and screw rod is screwed onto after sequentially passing through each waist-shaped hole from top to bottom in nut, so as to Upper positioning metal part, two puncture tool rests and lower positioning metal part are connected and fixed successively；Upper insulating base center is provided with vertically The circular through-hole 11 that direction is run through, the forced section 611 of tightening of the screw rod exposes the circular through-hole；The nut is provided with interior spiral shell The square column type in hole, and the middle part of lower insulating base is provided with the square containing cavity 21 for arranging the nut.
Each tool rest that punctures is integrally formed setting, and its one side is provided with the lancination 31 that four row be arranged in parallel, another side center It is provided with detent 32 and the arc-shaped limit face 33 positioned at detent both sides；Upper positioning metal part and lower positioning metal part Basic configuration is arc tabular, and its adjacent each one side for puncturing tool rest is provided with the positioning frustum for being connected in detent 200, the waist-shaped hole is located at the positioning frustum center.Two puncture the upper and lower clamping of tool rest forms two clamp holes.
The Zinc-Oxide Arrester 5 include insulation crust 51, the Zinc-oxide piezoresistor 52 being arranged in insulation crust and Connect electric stud 53 and electrically connect down with Zinc-oxide piezoresistor lower end in the electrical connection of Zinc-oxide piezoresistor upper end and connect electric stud 54th, temperature sensor 59 and the middle control module that temperature sensor is electrically connected and wireless receiving and dispatching mould connected with middle control module Block；The bottom of lower half folder is additionally provided with a screw 31, described on connect the top of electric stud and be spirally connected and be fixedly installed in the screw.This In embodiment, the upper end of Zinc-oxide piezoresistor is provided with conducting strip 55, and the lower end of Zinc-oxide piezoresistor is provided with lower conducting strip 56, the bottom for above connecing electric stud 53 is crimped on the top of conducting strip 55, under connect the top apical grafting of electric stud 54 in lower conduction On the bottom of piece 56.In addition, the resin protective layer 57 being provided with insulation crust 51 for wrapping up Zinc-oxide piezoresistor, the tree Air gap 58 is left between fat protective layer 57 and the outer wall of Zinc-oxide piezoresistor；The resin protective layer 57 is that liquid resin is poured Casting treats that its curing molding is made in insulation crust.The temperature sensor 59 includes two temperature in insulation crust 51 Quick resistance, two thermo-sensitive resistor distributions are arranged on the outside of Zinc-oxide piezoresistor；The middle control module and wireless receiving and dispatching mould Block can be cast in insulation crust 51, be may also be arranged on outside insulation crust 51, only electrically connected with thermo-sensitive resistor by wire. In the present embodiment, each thermo-sensitive resistor adjoins air gap 58 and arranges, because when thunderbolt occurs, in the air gap, air themperature can be drastically Raise, compare and thermo-sensitive resistor is embedded in inside the solidified resin of non-conductor, this structural response is rapid, sensitiveer can Lean on.This kind of structure is when using, if monitoring the change of thermo-sensitive resistor temperature rise suddenly in preset range, middle control module judgement Zinc-oxide piezoresistor passes through a thunder-strike current, and the information is sent to distance host by radio receiving transmitting module.
Obviously, the above embodiment of the present invention is only intended to clearly illustrate example of the present invention, and is not right The restriction of embodiments of the present invention.For those of ordinary skill in the field, may be used also on the basis of the above description To make other changes in different forms.There is no need to be exhaustive to all of embodiment.And these Belong to obvious change that the connotation of the present invention extended out or change and still fall within protection scope of the present invention.

Claims (1)

1. the preferable transformer station of a kind of electrical insulation properties, including altitude chamber, transformer room and low-pressure chamber；Be provided with high pressure room with The connected disconnecting switch of external high tension cable, lightning arrester and the high tension terminal for electrically connecting with transformer room；Lightning-arrest Device is arranged on the line of disconnecting switch outlet column and high tension terminal；It is characterized in that：Lightning arrester includes to be provided with two folders The insulation puncture line clamping of string holes and the Zinc-Oxide Arrester for electrically connecting with insulation puncture line clamping；The Zinc-Oxide Arrester includes Insulation crust, the Zinc-oxide piezoresistor being arranged in insulation crust electrically connect with Zinc-oxide piezoresistor upper end on connect electricity The upper conduction that stud is electrically connected down with Zinc-oxide piezoresistor lower end and connects electric stud, is arranged on Zinc-oxide piezoresistor upper end Piece, the lower conducting strip for being arranged on Zinc-oxide piezoresistor lower end, the resin protective layer of parcel Zinc-oxide piezoresistor, temperature sensing Device and the middle control module that temperature sensor is electrically connected and radio receiving transmitting module connected with middle control module；On connect electric stud Bottom is crimped on the top of conducting strip, under connect the top apical grafting of electric stud on the bottom of lower conducting strip；Resin protective layer The air gap with atmosphere is left and the outer wall of Zinc-oxide piezoresistor between；The temperature sensor is included positioned at insulation crust Two interior thermo-sensitive resistors, two thermo-sensitive resistor distributions are arranged on the outside of Zinc-oxide piezoresistor.
CN201610926068.1A 2013-12-11 2013-12-11 Transformer substation with good electric insulation performance Withdrawn CN106451165A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201610926068.1A CN106451165A (en) 2013-12-11 2013-12-11 Transformer substation with good electric insulation performance

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN201610926068.1A CN106451165A (en) 2013-12-11 2013-12-11 Transformer substation with good electric insulation performance
CN201310682334.7A CN103730854B (en) 2013-12-11 2013-12-11 Transformer substation

Related Parent Applications (1)

Application Number Title Priority Date Filing Date
CN201310682334.7A Division CN103730854B (en) 2013-12-11 2013-12-11 Transformer substation

Publications (1)

Publication Number Publication Date
CN106451165A true CN106451165A (en) 2017-02-22

Family

ID=50454834

Family Applications (10)

Application Number Title Priority Date Filing Date
CN201310682334.7A Active CN103730854B (en) 2013-12-11 2013-12-11 Transformer substation
CN201610925968.4A Withdrawn CN106486909A (en) 2013-12-11 2013-12-11 A kind of transformer station with lightning arrester
CN201610926727.1A Pending CN106505451A (en) 2013-12-11 2013-12-11 A kind of transformer station
CN201610926438.1A Pending CN106505450A (en) 2013-12-11 2013-12-11 Transformer station
CN201610926068.1A Withdrawn CN106451165A (en) 2013-12-11 2013-12-11 Transformer substation with good electric insulation performance
CN201610926729.0A Withdrawn CN106505452A (en) 2013-12-11 2013-12-11 A kind of transformer station
CN201610926096.3A Pending CN106505448A (en) 2013-12-11 2013-12-11 Transformer station
CN201610926728.6A Withdrawn CN106549326A (en) 2013-12-11 2013-12-11 A kind of transformer station for lifting electrical insulation properties
CN201610926099.7A Pending CN106505449A (en) 2013-12-11 2013-12-11 A kind of preferable transformer station of electrical insulation properties
CN201610925945.3A Pending CN106451164A (en) 2013-12-11 2013-12-11 A transformer substation with a lightning arrester

Family Applications Before (4)

Application Number Title Priority Date Filing Date
CN201310682334.7A Active CN103730854B (en) 2013-12-11 2013-12-11 Transformer substation
CN201610925968.4A Withdrawn CN106486909A (en) 2013-12-11 2013-12-11 A kind of transformer station with lightning arrester
CN201610926727.1A Pending CN106505451A (en) 2013-12-11 2013-12-11 A kind of transformer station
CN201610926438.1A Pending CN106505450A (en) 2013-12-11 2013-12-11 Transformer station

Family Applications After (5)

Application Number Title Priority Date Filing Date
CN201610926729.0A Withdrawn CN106505452A (en) 2013-12-11 2013-12-11 A kind of transformer station
CN201610926096.3A Pending CN106505448A (en) 2013-12-11 2013-12-11 Transformer station
CN201610926728.6A Withdrawn CN106549326A (en) 2013-12-11 2013-12-11 A kind of transformer station for lifting electrical insulation properties
CN201610926099.7A Pending CN106505449A (en) 2013-12-11 2013-12-11 A kind of preferable transformer station of electrical insulation properties
CN201610925945.3A Pending CN106451164A (en) 2013-12-11 2013-12-11 A transformer substation with a lightning arrester

Country Status (1)

Country Link
CN (10) CN103730854B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102019213177A1 (en) * 2019-08-30 2021-03-04 J. Pröpster GmbH Terminal connection arrangement
CN113588126A (en) * 2021-09-28 2021-11-02 广东电网有限责任公司中山供电局 Heating defect grading and lightning stroke positioning wire clamp pressing plate

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Publication number Priority date Publication date Assignee Title
CN2291708Y (en) * 1997-01-30 1998-09-16 唐圣严 Lightning-protection insulator for power overhead ground wire
CN2593386Y (en) * 2002-12-31 2003-12-17 朱克俭 Insulating-penetrative cable clamp
CN201430424Y (en) * 2009-01-23 2010-03-24 孙巍巍 Surge protection device with detection function
CN202026015U (en) * 2011-03-04 2011-11-02 山东泰开箱变有限公司 Functional wind power combined type box substation
CN202339980U (en) * 2011-11-09 2012-07-18 浙江天虹电气金具有限公司 Improved insulation piercing connector

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FI100746B (en) * 1996-10-03 1998-02-13 Sekko Ab Oy Overvoltage protection and its connectors to a coated low voltage cable
CN203300813U (en) * 2013-05-20 2013-11-20 余姚市供电局 Insulated puncture and specially shaped parallel-slot wire clamp
CN203911311U (en) * 2013-12-11 2014-10-29 乐清市风杰电子科技有限公司 Substation
CN203911312U (en) * 2013-12-11 2014-10-29 乐清市风杰电子科技有限公司 Substation

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN2291708Y (en) * 1997-01-30 1998-09-16 唐圣严 Lightning-protection insulator for power overhead ground wire
CN2593386Y (en) * 2002-12-31 2003-12-17 朱克俭 Insulating-penetrative cable clamp
CN201430424Y (en) * 2009-01-23 2010-03-24 孙巍巍 Surge protection device with detection function
CN202026015U (en) * 2011-03-04 2011-11-02 山东泰开箱变有限公司 Functional wind power combined type box substation
CN202339980U (en) * 2011-11-09 2012-07-18 浙江天虹电气金具有限公司 Improved insulation piercing connector

Non-Patent Citations (1)

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Also Published As

Publication number Publication date
CN106505451A (en) 2017-03-15
CN106549326A (en) 2017-03-29
CN103730854A (en) 2014-04-16
CN106505452A (en) 2017-03-15
CN106486909A (en) 2017-03-08
CN106505448A (en) 2017-03-15
CN106505449A (en) 2017-03-15
CN106451164A (en) 2017-02-22
CN103730854B (en) 2017-01-11
CN106505450A (en) 2017-03-15

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WW01 Invention patent application withdrawn after publication

Application publication date: 20170222

WW01 Invention patent application withdrawn after publication