CN202712720U - Pole-mounted intelligent combination type transformer - Google Patents

Pole-mounted intelligent combination type transformer Download PDF

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Publication number
CN202712720U
CN202712720U CN 201220366357 CN201220366357U CN202712720U CN 202712720 U CN202712720 U CN 202712720U CN 201220366357 CN201220366357 CN 201220366357 CN 201220366357 U CN201220366357 U CN 201220366357U CN 202712720 U CN202712720 U CN 202712720U
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CN
China
Prior art keywords
transformer
equipment
output
voltage
fuse
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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 - Lifetime
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CN 201220366357
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Chinese (zh)
Inventor
赖文华
吴桂林
余洲
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JIANGSU POWER TRANSFORMATION EQUIPMENT CO Ltd
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JIANGSU POWER TRANSFORMATION EQUIPMENT CO Ltd
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Priority to CN 201220366357 priority Critical patent/CN202712720U/en
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Publication of CN202712720U publication Critical patent/CN202712720U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model discloses a pole-mounted intelligent combination type transformer. A 10kV high-voltage cable connection line is connected with a fuse elbow-shaped cable head. The fuse elbow-shaped cable head is connected with a high-voltage input end of the transformer, and a low-voltage output end of the transformer is connected with an input end of a knife switch through a first mutual inductor, wherein an output end of the first mutual inductor is connected with an electric energy meter; an output end of the knife switch is connected to a 0.4kV bus through a second mutual inductor; an output end of the second mutual inductor is connected with an ammeter; the 0.4kV bus is connected with an input end of a capacitor and input ends of a circuit breaker respectively; output ends of the circuit breaker are connected with a user unit; and an output end of a monitoring camera is connected with a monitoring box. According to the pole-mounted intelligent combination type transformer, through simplifying the equipment mounting process, equipment mounting time is saved, effects of improving the safety performance of the equipment, reducing the energy consumption of equipment and saving the investment amount of equipment are achieved; and meanwhile, the pole-mounted intelligent combination type transformer has functions of effectively preventing the equipment from being stolen and avoiding electricity stealing behavior, and is a novel intelligent power transformation and distribution device.

Description

Box-like change of smart group on the post
Technical field
The utility model relates to the change power distribution equipment, is used for transformer and corollary equipment thereof, particularly box-like change of smart group on the post.
Technical background
Platform becomes as the outdoor type distribution pole type transformer and the corollary equipment thereof that are in normal operating conditions, is after the high-tension electricity that the power plant is sent is transformed into low tension, and reallocation is to each subscriber unit.The 10/0.4kV electric pressure pole type transformer of normal operation is comprised of oil-filled transformer, pole type transformer control cubicle, batch meter etc. at present, and the ubiquity function singleness is a little less than the anti-electricity-theft defencive function; Owing to being that employing disperses to install, the equipment room tie point is many again, and connecting line is many, and wire intersects many, and complexity is installed, and easily causes equipment fault and safeguards the problems such as inconvenient.
Summary of the invention
In order to solve inconvenience that above-mentioned pole type transformer exists and the problem such as not enough in installing, using; the utility model provides a kind of Jian dress, operation, maintenance conveniently; have intelligent protection and monitoring, intelligent powerless compensation, and effectively electricity theft prevention in the novel change power distribution equipment of one.
For achieving the above object, the technical solution of the utility model is, box-like change of smart group on the post, comprise transformer, the first instrument transformer, the second instrument transformer, monitoring camera and monitoring box, 10kV high-tension cable line is connected with fuse elbow type cable end, fuse elbow type cable end is connected with the high voltage input terminal of transformer, the low-voltage output of transformer is connected with the knife switch input by the first instrument transformer, the first instrument transformer output is connected with electric energy meter, the output of knife switch is connected to the 0.4KV bus by the second instrument transformer, the second instrument transformer output is connected with ammeter, 0.4KV being connected input with capacitor respectively with circuit breaker, bus is connected, the circuit breaker output is connected with subscriber unit, monitoring camera is fixed on the top of shell, the monitoring camera output is connected with monitoring box, ammeter, voltmeter and change over switch are installed on the panel of shell, and electric energy meter is installed in the batch meter.
The utility model has the advantages that, transformer, low-voltage power distributing cabinet, low-pressure metering box are combined, an integral body that consists of, made things convenient for the equipment installation and maintenance, by reducing the connection of equipment room, improve the equipment security of operation, because the intelligent monitoring devices such as video monitoring camera, hard disk recorder being installed, can effectively prevent equipment theft and electricity filching behavior.
Description of drawings
Fig. 1 is circuit theory diagrams of the present utility model.
Fig. 2 is product structure schematic diagram of the present utility model.
Fig. 3 is that the A of Fig. 2 is to view.
Fig. 4 is that the B of Fig. 2 is to view.
Fig. 5 is that the C of Fig. 3 is to view.
Fig. 6 is scheme of installation of the present utility model.
Among the figure: 1-fuse elbow type cable end, 2-subscriber unit, 3-transformer, 4-knife switch, 5-circuit breaker, the 6-the first instrument transformer, the 7-the second instrument transformer, 8-capacitor, 9-shell, 10-batch meter, 11-ammeter, 12-voltmeter, 13-electric energy meter, 14-change over switch, 15-monitoring camera, 16-monitoring box.
Embodiment
The utility model is described in further detail below in conjunction with drawings and Examples, referring to Fig. 1~5, box-like change of smart group on the post, comprise transformer 3, the first instrument transformer 6, the second instrument transformer 7, monitoring camera 15 and monitoring box 16,10kV high-tension cable line is connected with fuse elbow type cable end 1, fuse elbow type cable end 1 is connected with the high voltage input terminal of transformer 3, the low-voltage output of transformer 3 is connected with knife switch 4 inputs by the first instrument transformer 6, the first instrument transformer 6 outputs are connected with electric energy meter 13, the output of knife switch 4 is connected to the 0.4KV bus by the second instrument transformer 7, the second instrument transformer 7 outputs are connected with ammeter 11,0.4KV bus is connected with the input that capacitor 8 is connected with circuit breaker respectively, circuit breaker 5 outputs are connected with subscriber unit 2, monitoring camera 15 is fixed on the top of shell 9, monitoring camera 15 outputs are connected with monitoring box 16, ammeter 11, voltmeter 12 and change over switch 14 are installed on the panel of shell 9, and electric energy meter 13 is installed in the batch meter 10.
The operational mode of box-like change of smart group on the post:
1) 10kV supply line receives fuse elbow type cable end 1, and the fuse by be equipped with inside carries out current limliting and overload protection to transformer 3;
2) fuse elbow type cable end 1 is by casing seat access transformer 3 high-tension coils, and 10kV voltage is output as 400V voltage after transformer 3 step-downs;
3) low-voltage terminal of transformer 3 is connected to knife switch 4 upper ends by copper bus-bar, and knife switch 4 lower end copper bus-bars connect capacitor 8 and circuit breakers 5, and circuit breaker 5 is connected to power consumption equipment by low-voltage cable, and power consumption equipment is powered;
4) the first instrument transformer 6 is installed in transformer 3 to the connection busbar of knife switch 4, and the secondary side of the first instrument transformer 6 is connected with electric energy meter 13 in the batch meter by cable, carries out electric energy metrical;
5) the second instrument transformer 7 is installed on the bus of knife switch 4 lower ends, and the second instrument transformer 7 secondary sides are connected with ammeter 11 by cable, carry out electric current side amount;
6) voltmeter 12 is connected to main busbar by voltage change-over switch, and low-pressure side voltage is carried out the three-phase voltage handover measurement;
7) monitoring camera 15 is connected by the DVR in vision cable and the monitoring box 16, carries out video monitoring and video storage.
Embodiment:A kind of best mode of the present utility model; referring to Fig. 1~6; the 10kV high-tension cable that connects the external power electrical network is fixed on the external cabling post of transformer 3 by fuse elbow type cable end 1; the fuse that fuse elbow type cable end is 1 li carries out current limliting and overload protection to transformer 3; after the step-down of transformer 3; the low-voltage output of transformer 3 is connected with knife switch 4 inputs by copper bus-bar; at copper bus-bar the first instrument transformer 6 is installed simultaneously; the first instrument transformer 6 is connected with electric energy meter 13 in being installed in batch meter 10 by cable; carry out electric energy metrical, electric energy meter 13 can be realized the remote meter reading operation by GPRS public network platform.Connect capacitor 8 and circuit breaker 5 at the output of knife switch 4 by copper bus-bar, at this section copper bus-bar the second instrument transformer 7, the second instrument transformers 7 are installed simultaneously and are connected with ammeter 11 on being installed in shell 9 panels by cable, carry out current measurement.The reactive power compensation of capacitor 8 generators; circuit breaker 5 provides the overload protection to feeder line; change over switch 14 and 12 pairs of low-pressure side voltages of voltmeter of being installed on shell 9 panels carry out three-phase voltage handover measurement and indication; monitoring camera 15 is connected by the hard disk recorder in cable and the monitoring box 16; read in real time and preserve the captured video data of monitoring camera 15; carry out video monitoring and protection, if also can carry out remote real-time monitoring and security alarm by the public network platform.
It is RDQZT-15/200 that fuse elbow type cable end 1 adopts model.
Transformer 3 adopts S13 type low-loss energy-saving transformer.
Knife switch 4 adopts anti-error type open type knife switch.
It is the intelligent plastic casing break of RDM30LE-400A that circuit breaker 5 adopts model, and the low-voltage output of transformer 3 is installed 3~5 circuit breakers 5 as protection for feed line, to guarantee equipment safety operation.
Capacitor 8 adopts the intelligent electric container, configures capacitor 8 by 30% of transformer 3 capacity and provides reactive power compensation for equipment.
Have the intelligent monitoring devices such as hard disk recorder, small-sized stand-by power supply (UPS) in the monitoring box 16, to prevent equipment theft and electricity filching behavior.
The operational mode of box-like change of smart group is on the post:
1) 10kV supply line receives fuse elbow type cable end 1, and the fuse by be equipped with inside carries out current limliting and overload protection to transformer 3; (1) effect of fuse elbow type cable end 1 is transformer 3 and being connected of electrical network; (2) effect of fuse is that transformer 3 is carried out current limliting and overload protection.
2) fuse elbow type cable end 1 is by casing seat access transformer 3 high-tension coils, and 10kV voltage is output as 400V voltage after transformer 3 step-downs; The effect of transformer 3 is to transmit electric energy, and reduces voltage.
3) low-voltage terminal of transformer 3 is connected to knife switch 4 upper ends by copper bus-bar, and knife switch 4 lower end copper bus-bars connect 3 capacitors 8 and 3 circuit breakers 5, and circuit breaker 5 is connected to power consumption equipment by low-voltage cable, and power consumption equipment is powered.(1) knife switch 4 plays the effect of isolation.(2) capacitor 8 effects are to provide Intelligent reactive power compensating for power consumption equipment.(3) effect of circuit breaker 5 is overload and the short circuits that distribute electric energy and protection circuit and power-supply device, and earth fault, overload, short circuit, overvoltage, under voltage and the disconnected phase, disconnected zero of circuit or power consumption equipment are protected.
4) the first instrument transformer 6 is installed in transformer 3 to the connection busbar of knife switch 4, and the secondary side of the first instrument transformer 6 is connected with electric energy meter 13 in the batch meter by cable, carries out electric energy metrical.Electric energy meter 13 is multifunctional electric energy meter, can also form long-distance meter-reading system by GPRS public network platform.Also can realize the utility model equipment is carried out remote meter reading and Long-distance Control by long-distance meter-reading system.The effect of (1) first instrument transformer 6 is metering current collection and conversion; (2) effect of multifunctional electric energy meter is electric energy metrical, forms long-distance meter-reading system.
5) the second instrument transformer 7 is installed on the bus of knife switch 4 lower ends, and the second instrument transformer 7 secondary sides are connected with ammeter by cable, carry out electric current side amount.The effect of (1) second instrument transformer 7 is to measure current acquisition and conversion; (2) effect of ammeter is current measurement.
6) voltmeter 12 is connected to main busbar by change over switch 14, and low-pressure side voltage is carried out the three-phase voltage handover measurement.(1) effect of change over switch 14 is conversions of three-phase voltage; (2) voltmeter 12 effects are voltage measurements.
7) monitoring camera 15 is connected by the DVR in vision cable and the monitoring box 16, carries out video monitoring and video storage.The effect of DVR is to read in real time and preserve the captured video data of video monitoring camera 15, and when breaking down or damage, power supply unit can transfer monitor video, DVR can also be carried out remote real-time monitoring by GPRS network, and possesses warning function.DVR can be all weather operations, also can timing working.In the situation that there is the working power can Auto Power On, working power transfers back-up source (UPS) power supply to by this transformer-supplied behind mains failure at ordinary times, but back-up source continuous operation 2 hours.
Fig. 6 is scheme of installation of the present utility model.The utility model is as integral structure, the disposable power distribution equipment that will become is in place, reduced the connection between the equipment, original traditional transformer and corollary equipment thereof have been solved by 3 product composition independently, install complicated, the shortcoming that connection between the equipment is more owing to having increased video monitoring, has played the generation that avoids theft with electricity filching behavior.

Claims (1)

1. box-like change of smart group on the post, comprise: transformer, the first instrument transformer, the second instrument transformer, monitoring camera and monitoring box, it is characterized in that: 10kV high-tension cable line is connected with fuse elbow type cable end, fuse elbow type cable end is connected with the high voltage input terminal of transformer, the low-voltage output of transformer is connected with the knife switch input by the first instrument transformer, the first instrument transformer output is connected with electric energy meter, the output of knife switch is connected to the 0.4KV bus by the second instrument transformer, the second instrument transformer output is connected with ammeter, 0.4KV being connected input with capacitor respectively with circuit breaker, bus is connected, the circuit breaker output is connected with subscriber unit, monitoring camera is fixed on the top of shell, the monitoring camera output is connected with monitoring box, ammeter, voltmeter and change over switch are installed on the panel of shell, and electric energy meter is installed in the batch meter.
CN 201220366357 2012-07-27 2012-07-27 Pole-mounted intelligent combination type transformer Expired - Lifetime CN202712720U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN 201220366357 CN202712720U (en) 2012-07-27 2012-07-27 Pole-mounted intelligent combination type transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN 201220366357 CN202712720U (en) 2012-07-27 2012-07-27 Pole-mounted intelligent combination type transformer

Publications (1)

Publication Number Publication Date
CN202712720U true CN202712720U (en) 2013-01-30

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CN 201220366357 Expired - Lifetime CN202712720U (en) 2012-07-27 2012-07-27 Pole-mounted intelligent combination type transformer

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102751663A (en) * 2012-07-27 2012-10-24 江西变电设备有限公司 Pole-mounted intelligent combination type transformer and running mode thereof
CN109708687A (en) * 2018-08-31 2019-05-03 南方电网科学研究院有限责任公司 A kind of monitoring system of on-pole switch

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102751663A (en) * 2012-07-27 2012-10-24 江西变电设备有限公司 Pole-mounted intelligent combination type transformer and running mode thereof
CN109708687A (en) * 2018-08-31 2019-05-03 南方电网科学研究院有限责任公司 A kind of monitoring system of on-pole switch

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Granted publication date: 20130130