CN204348496U - A kind of intelligent loading capacitance-regulating distribution transformer - Google Patents

A kind of intelligent loading capacitance-regulating distribution transformer Download PDF

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Publication number
CN204348496U
CN204348496U CN201520056751.5U CN201520056751U CN204348496U CN 204348496 U CN204348496 U CN 204348496U CN 201520056751 U CN201520056751 U CN 201520056751U CN 204348496 U CN204348496 U CN 204348496U
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low
terminal
transformer
casing
metering
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CN201520056751.5U
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曹俊峰
吴庆军
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Shaanxi Sifang Huaneng Electric Equipment Co ltd
Yulin Power Supply Bureau of Guangxi Power Grid Co Ltd
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Shaanxi Sifang Huaneng Electric Equipment Co ltd
Yulin Power Supply Bureau of Guangxi Power Grid Co Ltd
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    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02PCLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
    • Y02P80/00Climate change mitigation technologies for sector-wide applications
    • Y02P80/10Efficient use of energy, e.g. using compressed air or pressurized fluid as energy carrier

Abstract

The utility model discloses a kind of intelligent loading capacitance-regulating distribution transformer, comprising: high tension terminal, loaded capacity-regulated shunting switch, low-voltage electricity larceny prevention guard shield, intelligent monitoring unit, metering current mulual inductor, low-pressure line-outgoing row, point benefit shunt capacitor, ammeter and terminal, switching capacitor contactor, miniature circuit breaker, metering junction box, distribution management terminal, mend shunt capacitor, GPRS communication module, zero sequence current mutual inductor, casing and transformer body altogether.The emphasis of capacitance-adjustable transformer of the present utility model innovation saves erection unit parts, reduces volume, achieves that production cost reduces, fitting operation is simple and convenient, decrease the recessive limit that lacks makes operation more safe and reliable.This utility model can in load conditions, and automatically changing transformer connecting mode according to load variations thus adjusting transformer is Large Copacity or low capacity.During high load capacity, be automatically adjusted to Large Copacity, security of operation; Be adjusted to low capacity no-load loss during underload to reduce, energy-saving effect is remarkable.Mainly be applicable to the place such as rural area, downtown, industrial area, residential quarter that seaonal load or cyclic load change greatly.

Description

A kind of intelligent loading capacitance-regulating distribution transformer
Technical field
The utility model relates to the transformer technology of electrical power distribution electric line, is specifically related to a kind of intelligent loading capacitance-regulating distribution transformer.
Background technology
At present, in places such as the rural area that seaonal load or cyclic load change greatly, downtown, industrial area, residential quarters in order to saves energy, while reducing purchase cost, have prioritizing selection capacitance-adjustable transformer.But the major defect of conventional type capacitance-adjustable transformer has following at present:
Current loading capacitance-regulating distribution transformer, low-pressure side adopts the mode of side outlet, so easy generation leakage of oil point, and cause dangerous accident, case lid needs out hand hole in addition, and difficulty is larger when general assembly;
Current loading capacitance-regulating distribution transformer, only has together with being done with transformer body by automatic capacity transfer controller.Also will configure capacitor compensation cabinet, metering cabinet, outgoing line cabinet etc. when mounted, it is messy that a lot of equipment is installed together outward appearance;
Can not the long-range operation conditions to capacitance-adjustable transformer monitor.
Summary of the invention
The utility model, for the problems referred to above, provides a kind of intelligent loading capacitance-regulating distribution transformer.
The technical scheme in the invention for solving the above technical problem is: a kind of intelligent loading capacitance-regulating distribution transformer, comprising: high tension terminal, loaded capacity-regulated shunting switch, low-voltage electricity larceny prevention guard shield, intelligent monitoring unit, metering current mulual inductor, low-pressure line-outgoing row, point benefit shunt capacitor, ammeter and terminal, switching capacitor contactor, miniature circuit breaker, metering junction box, distribution management terminal, mend shunt capacitor, GPRS communication module, zero sequence current mutual inductor, casing and transformer body altogether; Described high tension terminal is arranged on the top of casing; Described high tension terminal is arranged on the upper right side of transformer body; Described loaded capacity-regulated shunting switch is arranged on the upper left side of transformer body; Described low-voltage electricity larceny prevention guard shield is arranged on casing outside; Described intelligent monitoring unit is arranged on box house upper left side; Described metering current mulual inductor is arranged on box house upper right side; Described low-pressure line-outgoing row is arranged on below metering current mulual inductor; Described ammeter and terminal are arranged on low-pressure line-outgoing row front lower place; Described low-pressure line-outgoing row connects metering current mulual inductor and ammeter and terminal respectively; Described point of benefit shunt capacitor is arranged on box house upper left side; Described switching capacitor contactor is arranged on box house lower left; Described miniature circuit breaker is arranged on the right side of switching capacitor contactor; Described metering junction box is arranged on the below of ammeter and terminal; Described distribution management terminal is arranged on the below of miniature circuit breaker; The described shunt capacitor of benefit is altogether arranged on the below of switching capacitor contactor; Described GPRS communication module is arranged on the below of distribution management terminal; Described zero sequence current mutual inductor is arranged on box house lower right cable and passes from center; Described casing is arranged on the main mounting related components of lower inner of low-voltage electricity larceny prevention guard shield; Described transformer body refers to the main part such as fuel tank, coil of transformation.
Further, described intelligent monitoring unit, point benefit shunt capacitor, switching capacitor contactor, miniature circuit breaker, distribution management terminal, altogether benefit shunt capacitor and GPRS communication module are the left part intelligent monitoring unit be arranged in casing, point benefit shunt capacitor, switching capacitor contactor, miniature circuit breaker, distribution management terminal, altogether benefit shunt capacitor and GPRS communication module.
Further, described metering current mulual inductor, low-pressure line-outgoing row, ammeter and terminal, metering junction box and zero sequence current mutual inductor are the metering current mulual inductor of the right part be arranged in casing, low-pressure line-outgoing row, ammeter and terminal, metering junction box and zero sequence current mutual inductor.
Further, described loaded capacity-regulated shunting switch is the loaded capacity-regulated shunting switch switched the large low capacity of intelligent loading capacitance-regulating distribution transformer.
Further, described transformer body is the transformer body be made up of iron core, coil and fuel tank.
Advantage of the present utility model:
(1) automatic capacity transfer function: the loaded capacity-regulated shunting switch of configuration in transformer body fuel tank, the large low capacity of automatic detection load size adjustment transformer, effectively reduces transformer loss;
(2) on the spot and remote electric stop power transmission function: configuration permanent magnetic actuator vacuum switch in transformer body fuel tank, can realize electronicly on the spot stopping power transmission, long-range wireless remote control stops power transmission function;
(3) no-power compensation function: configuration low-pressure reactive compensation compartment in transformer automatic control system, adopts and be divided in conjunction with Optimization Compensation mode;
(4) electric energy metrical function: independent sealed metering compartment is set, the main inlet wire of sealing directly enter measure, compartment, enter other compartment by busbar, configure one piece of three phase metering terminal box, reserved two pieces of three-phase electronic ammeter installation sites.
Except object described above, feature and advantage, the utility model also has other object, feature and advantage.Below with reference to figure, the utility model is described in further detail.
Accompanying drawing explanation
The accompanying drawing forming a application's part is used to provide further understanding of the present utility model, and schematic description and description of the present utility model, for explaining the utility model, is not formed improper restriction of the present utility model.
Fig. 1 is the main diagram of structure of the utility model embodiment;
Fig. 2 is the structure side diagram of the utility model embodiment;
Fig. 3 is the main diagram of structure of conventional type capacitance-adjustable transformer;
Fig. 4 is the structure side diagram of conventional type capacitance-adjustable transformer
Reference numeral:
1 being loaded capacity-regulated shunting switch for comprising high tension terminal, 2,3 being low-voltage electricity larceny prevention guard shield, 4 be intelligent monitoring unit, 5 be metering current mulual inductor, 6 being point benefit shunt capacitor, 8 being ammeter and terminal, 9 being switching capacitor contactor, 10 being miniature circuit breaker, 11 being metering junction box, 12 being distribution management terminal, 13 being GPRS communication module for mending shunt capacitor, 14 altogether, 15 be zero sequence current mutual inductor, 16 being casing and 17 transformer bodies for low-pressure line-outgoing row, 7.
Embodiment
In order to make the purpose of this utility model, technical scheme and advantage clearly understand, below in conjunction with drawings and Examples, the utility model is further elaborated.Should be appreciated that specific embodiment described herein only in order to explain the utility model, and be not used in restriction the utility model.
Referring to figs. 1 to Fig. 3, the intelligent loading capacitance-regulating distribution transformer of one as shown in Figure 1 to Figure 3, comprising: high tension terminal 1, loaded capacity-regulated shunting switch 2, low-voltage electricity larceny prevention guard shield 3, intelligent monitoring unit 4, metering current mulual inductor 5, low-pressure line-outgoing row 6, point benefit shunt capacitor 7, ammeter and terminal 8, switching capacitor contactor 9, miniature circuit breaker 10, metering junction box 11, distribution management terminal 12, altogether benefit shunt capacitor 13, GPRS communication module 14, zero sequence current mutual inductor 15, casing 16 and transformer body 17;
Described high tension terminal 1 is arranged on the upper right side of transformer body 17; Described loaded capacity-regulated shunting switch 2 is arranged on the upper left side of transformer body 17; It is outside that described low-voltage electricity larceny prevention guard shield 3 is arranged on casing 16; Described intelligent monitoring unit 4 is arranged on the inner upper left side of casing 16; Described metering current mulual inductor 5 is arranged on the inner upper right side of casing 16; Described low-pressure line-outgoing row 6 is arranged on below metering current mulual inductor 5; Described ammeter and terminal 8 are arranged on low-pressure line-outgoing and arrange 6 front lower places; Described low-pressure line-outgoing row 6 connects metering current mulual inductor 5 and ammeter and terminal 8 respectively; Described point of benefit shunt capacitor 7 is arranged on the inner upper left side of casing 16; Described switching capacitor contactor 9 is arranged on the inner lower left of casing 16; Described miniature circuit breaker 10 is arranged on the right side of switching capacitor contactor 9; Described metering junction box 11 is arranged on the below of ammeter and terminal 8; Described distribution management terminal 12 is arranged on the below of miniature circuit breaker 10; The described shunt capacitor 13 of benefit is altogether arranged on the below of switching capacitor contactor 9; Described GPRS communication module 14 is arranged on the below of distribution management terminal 12; Described zero sequence current mutual inductor 15 is arranged on casing 16 inner lower right cable and passes from center; The main mounting related components of lower inner that described casing 16 is arranged on low-voltage electricity larceny prevention guard shield 3; Described transformer body 17 refers to the main part such as fuel tank, coil of transformation.
Described intelligent monitoring unit 4, point benefit shunt capacitor 7, switching capacitor contactor 9, miniature circuit breaker 10, distribution management terminal 12, mend shunt capacitor 13 and GPRS communication module 14 for being arranged on left part intelligent monitoring unit 4 in casing 16, point benefit shunt capacitor 7, switching capacitor contactor 9, miniature circuit breaker 10, distribution management terminal 12, altogether benefit shunt capacitor 13 and GPRS communication module 14 altogether.
Described metering current mulual inductor 5, low-pressure line-outgoing row 6, ammeter and terminal 8, metering junction box 11 and zero sequence current mutual inductor 15 are for being arranged on the metering current mulual inductor 5 of the right part in casing 16, low-pressure line-outgoing row 6, ammeter and terminal 8, metering junction box 11 and zero sequence current mutual inductor 15
Described loaded capacity-regulated shunting switch 2 is the loaded capacity-regulated shunting switchs 2 switched the large low capacity of intelligent loading capacitance-regulating distribution transformer.
Described transformer body 17 is the transformer body 17 be made up of iron core, coil and fuel tank.
Function of the present utility model:
(1) automatic capacity transfer function: the loaded capacity-regulated shunting switch of configuration in transformer body fuel tank, the large low capacity of automatic detection load size adjustment transformer, effectively reduces transformer loss;
(2) on the spot and remote electric stop power transmission function: configuration permanent magnetic actuator vacuum switch in transformer body mailbox, can realize electronicly on the spot stopping power transmission, long-range wireless remote control stops power transmission function;
(3) no-power compensation function: configuration low-pressure reactive compensation compartment in transformer automatic control system, adopts and be divided in conjunction with Optimization Compensation mode;
(4) electric energy metrical function: independent sealed metering compartment is set, the main inlet wire of sealing directly enter measure, compartment, enter other compartment by busbar, configure one piece of three phase metering terminal box, reserved two pieces of three-phase electronic ammeter installation sites.
The intelligent loaded capacity-regulated transformer of the utility model has size two capacity.When Large Copacity, three-phase high-voltage winding is connected into delta connection (corner connection), low pressure winding parallel structure; When low capacity, three-phase high-voltage winding is connected into star connection (star connects), low pressure windings in series structure.
The star of high pressure winding--the serioparallel exchange of angle conversion and low pressure winding, all has loaded capacity-regulated switch, and is determined according to the load situation detected by automatic controller during the switching of loaded capacity-regulated switch.During high load capacity, be automatically adjusted to Large Copacity, security of operation; Be adjusted to low capacity no-load loss during underload to reduce, energy-saving effect is remarkable.Mainly be applicable to the place such as rural area, downtown, industrial area, residential quarter that seaonal load or cyclic load change greatly.
The intelligent loading capacitance-regulating distribution transformer of the utility model can in load conditions, and automatically adjusting transformer connecting mode according to load variations thus changing transformer is Large Copacity or low capacity.During high load capacity, be automatically adjusted to Large Copacity, security of operation; Be adjusted to low capacity no-load loss during underload to reduce, energy-saving effect is remarkable.And the service data of GPRS network real-time Transmission platform district's distribution transforming can be utilized by external GPRS module, and arrive enterprise internal management server through fire compartment wall, Surveillance center directly can carry out data to on-the-spot capacitance-adjustable transformer and check and remote monitoring.Mainly be applicable to the place such as rural area, downtown, industrial area, residential quarter that seaonal load or cyclic load change greatly.
The effect of this intelligent automatic control system is; Voltage, the electric current of monitoring step down side, judge current loads size of current, sends suitable capacity transfer instruction to loaded capacity-regulated switch, carry out the switching of the large low capacity of transformer.And can according to transformer with load auto-compensation condenser capacity, improve power factor, and can the operation conditions of remote monitoring transformer, can also carry out stopping power transmission operation according to the situation of paying of the electricity charge.
Because the mode of conventional transformer to be adjusted to by low-pressure line-outgoing sleeve pipe by this intelligent loading capacitance-regulating distribution transformer, in the upper end outlet of fuel tank top cover, and be arranged on unlike conventional type on fuel tank tank wall.Which reduce the wall hanging box on conventional type capacitance-adjustable transformer, oil tank wall perforate can also be saved and case lid opens hand hole, reduce leakage of oil point, make transformer run safety and reliability.
The second, the intelligent loading capacitance-regulating distribution transformer of the utility model by integrated to capacitance-adjustable transformer main body (comprising iron core, coil, fuel tank), loaded capacity-regulated switch and intelligent monitoring unit, capacitor compensation, metering etc. with an entirety.Solve the problems such as equipment when system type capacitance-adjustable transformer, capacitor compensation cabinet, metering cabinet etc. are installed is many, installation complexity is messy.
The emphasis of capacitance-adjustable transformer of the present utility model innovation saves erection unit parts, reduces volume, achieves that production cost reduces, fitting operation is simple and convenient, decrease the recessive limit that lacks makes operation more safe and reliable.This utility model can in load conditions, and automatically changing transformer connecting mode according to load variations thus adjusting transformer is Large Copacity or low capacity.During high load capacity, be automatically adjusted to Large Copacity, security of operation; Be adjusted to low capacity no-load loss during underload to reduce, energy-saving effect is remarkable.Mainly be applicable to the place such as rural area, downtown, industrial area, residential quarter that seaonal load or cyclic load change greatly.
The foregoing is only preferred embodiment of the present utility model, not in order to limit the utility model,
All within spirit of the present utility model and principle, any amendment done, equivalent replacement, improvement etc., all should be included within protection range of the present utility model.

Claims (5)

1. an intelligent loading capacitance-regulating distribution transformer, it is characterized in that, comprise: high tension terminal (1), loaded capacity-regulated shunting switch (2), low-voltage electricity larceny prevention guard shield (3), intelligent monitoring unit (4), metering current mulual inductor (5), low-pressure line-outgoing row (6), divide benefit shunt capacitor (7), ammeter and terminal (8), switching capacitor contactor (9), miniature circuit breaker (10), metering junction box (11), distribution management terminal (12), mend shunt capacitor (13) altogether, GPRS communication module (14), zero sequence current mutual inductor (15), casing (16) and transformer body (17), described high tension terminal (1) is arranged on the upper right side of transformer body (17), described loaded capacity-regulated shunting switch (2) is arranged on the upper left side of transformer body (17), it is outside that described low-voltage electricity larceny prevention guard shield (3) is arranged on casing (16), described intelligent monitoring unit (4) is arranged on casing (16) inner upper left side, described metering current mulual inductor (5) is arranged on casing (16) inner upper right side, described low-pressure line-outgoing row (6) is arranged on metering current mulual inductor (5) below, described ammeter and terminal (8) are arranged on low-pressure line-outgoing row (6) front lower place, described low-pressure line-outgoing row (6) connects metering current mulual inductor (5) and ammeter and terminal (8) respectively, described point of benefit shunt capacitor (7) is arranged on casing (16) inner upper left side, described switching capacitor contactor (9) is arranged on casing (16) inner lower left, described miniature circuit breaker (10) is arranged on switching capacitor contactor (9) right side, described metering junction box (11) is arranged on the below of ammeter and terminal (8), described distribution management terminal (12) is arranged on the below of miniature circuit breaker (10), describedly mend the below that shunt capacitor (13) is arranged on switching capacitor contactor (9) altogether, described GPRS communication module (14) is arranged on the below of distribution management terminal (12), described zero sequence current mutual inductor (15) is arranged on casing (16) inner lower right cable and passes from center, described casing (16) is arranged on the main mounting related components of lower inner of low-voltage electricity larceny prevention guard shield (3), described transformer body (17) refers to the main part such as fuel tank, coil of transformation.
2. intelligent loading capacitance-regulating distribution transformer according to claim 1, is characterized in that,
Described intelligent monitoring unit (4), divide benefit shunt capacitor (7), switching capacitor contactor (9), miniature circuit breaker (10), distribution management terminal (12), mend shunt capacitor (13) and GPRS communication module (14) altogether for being arranged on the left part intelligent monitoring unit (4) in casing (16), divide benefit shunt capacitor (7), switching capacitor contactor (9), miniature circuit breaker (10), distribution management terminal (12), mend shunt capacitor (13) and GPRS communication module (14) altogether.
3. intelligent loading capacitance-regulating distribution transformer according to claim 1, is characterized in that,
Described metering current mulual inductor (5), low-pressure line-outgoing row (6), ammeter and terminal (8), metering junction box (11) and zero sequence current mutual inductor (15) are for being arranged on the metering current mulual inductor (5) of the right part in casing (16), low-pressure line-outgoing row (6), ammeter and terminal (8), metering junction box (11) and zero sequence current mutual inductor (15).
4. intelligent loading capacitance-regulating distribution transformer according to claim 1, it is characterized in that, described loaded capacity-regulated shunting switch (2) is the loaded capacity-regulated shunting switch (2) switched the large low capacity of intelligent loading capacitance-regulating distribution transformer.
5. according to the arbitrary described intelligent loading capacitance-regulating distribution transformer of claim 1-4, it is characterized in that, described transformer body (17) is the transformer body (17) be made up of iron core, coil and fuel tank.
CN201520056751.5U 2015-01-27 2015-01-27 A kind of intelligent loading capacitance-regulating distribution transformer Active CN204348496U (en)

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Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105375842A (en) * 2015-12-21 2016-03-02 国网安徽省电力公司淮北供电公司 Intelligent distribution transformer
CN105529163A (en) * 2015-12-02 2016-04-27 许继集团有限公司 Automatic capacity regulation and voltage regulation combined type transformer system
CN106710846A (en) * 2016-11-17 2017-05-24 国网新疆电力公司和田供电公司 On-load capacity regulating transformer which has good energy-saving effect and achieves remote monitoring
CN108736360A (en) * 2017-04-18 2018-11-02 北京南瑞电研华源电力技术有限公司 A kind of integration loaded capacity regulating voltage regulating power distribution station
CN108933020A (en) * 2018-08-30 2018-12-04 长兴盛强电子器材股份有限公司 A kind of transformer suitable for all kinds of electric power with protective performance
CN111834934A (en) * 2020-07-23 2020-10-27 贵州电网有限责任公司 Fast-assembling becomes empty case of platform low pressure

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105529163A (en) * 2015-12-02 2016-04-27 许继集团有限公司 Automatic capacity regulation and voltage regulation combined type transformer system
CN105375842A (en) * 2015-12-21 2016-03-02 国网安徽省电力公司淮北供电公司 Intelligent distribution transformer
CN106710846A (en) * 2016-11-17 2017-05-24 国网新疆电力公司和田供电公司 On-load capacity regulating transformer which has good energy-saving effect and achieves remote monitoring
CN108736360A (en) * 2017-04-18 2018-11-02 北京南瑞电研华源电力技术有限公司 A kind of integration loaded capacity regulating voltage regulating power distribution station
CN108933020A (en) * 2018-08-30 2018-12-04 长兴盛强电子器材股份有限公司 A kind of transformer suitable for all kinds of electric power with protective performance
CN111834934A (en) * 2020-07-23 2020-10-27 贵州电网有限责任公司 Fast-assembling becomes empty case of platform low pressure

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