CN203300414U - On-load voltage-regulating and on-load capacity-regulating transformer - Google Patents
On-load voltage-regulating and on-load capacity-regulating transformer Download PDFInfo
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- CN203300414U CN203300414U CN2013202753209U CN201320275320U CN203300414U CN 203300414 U CN203300414 U CN 203300414U CN 2013202753209 U CN2013202753209 U CN 2013202753209U CN 201320275320 U CN201320275320 U CN 201320275320U CN 203300414 U CN203300414 U CN 203300414U
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Abstract
The utility model discloses an on-load voltage-regulating and on-load capacity-regulating transformer. The on-load voltage-regulating and on-load capacity-regulating transformer comprises a transformer body and a control cabinet, wherein the transformer body is provided with an on-load capacity-regulating voltage-regulating tap switch integrating an on-load capacity-regulating switch and an on-load voltage-regulating switch, the transformer body is provided with an on-load capacity-regulating voltage-regulating controller matched with the on-load capacity-regulating voltage-regulating tap switch, and a high-voltage metering device, a prepayment control device and a control compensation device are arranged inside the control cabinet. The on-load voltage-regulating and on-load capacity-regulating transformer is simple in structure and good in energy-saving effect, has the on-load capacity-regulating and on-load voltage-regulating function, is high in power supply reliability, and has excellent economical benefits.
Description
Technical field
The utility model belongs to the technical field of transformer device structure design, particularly relates to a kind of on-load voltage regulation loaded capacity-regulated transformer.
Background technology
Present stage, some local power distribution networks existence are seasonal, period load transformation amplitude is large, voltage fluctuation is large, and automaticity is low, the problem that power supply reliability is poor, general loaded capacity-regulated transformer does not possess the on-load voltage regulation function, be that a kind of no-load is switched fast, can not adjust load side voltage according to the ruuning situation on-load, affect power supply quality, can not charged capacity transfer, have influence on user's power supply reliability.
Chinese patent disclosed publication number on December 13rd, 2006 is that the utility model name of 2847488 application numbers 200520125405.4 is called loaded capacity regulating voltage regulating power transformer, comprise transformer shell, be arranged on the low pressure winding in housing, the high pressure winding, and cover sets high, the iron core of low pressure winding, it is characterized in that: housing is provided with and carries capacitance switch and operating control device, on-load voltage regulating switch and operating control device thereof, described low pressure winding is by the little wire turn that is cascaded, large wire turn forms, little wire turn is coiled into by a wire, large wire turn is by two wires and around forming, described height, the low-voltage coil tap is connected with respectively carries capacitance switch, the high pressure winding consists of at least two group coil tandems, and each is organized coil and has separately coil tap, and coil tap connects the termination of access as on-load voltage regulating switch, the iron core that described winding is nested with is amorphous alloy iron core.Use this loaded capacity regulating voltage regulating power transformer can reduce the phase transformer noload losses of electricity consumption the lowest point, and voltage stabilization, improved power supply quality, be applicable to city net, rural power grids, it can realize loaded capacity-regulated, but it can not realize that transformer has loaded capacity-regulated and the on-load voltage regulation function simultaneously.
The utility model content
The purpose of this utility model is to provide a kind of simple in structure, and good energy-conserving effect has loaded capacity-regulated and on-load voltage regulation function simultaneously, the high and on-load voltage regulation loaded capacity-regulated transformer with splendid economic benefit of power supply reliability.
A kind of on-load voltage regulation loaded capacity-regulated transformer, comprise transformer body and control cubicle, be provided with the loaded capacity regulating voltage regulating shunting switch that loaded capacity-regulated switch and on-load voltage regulating switch are integrated on described transformer body, described transformer body is provided with the loaded capacity regulating voltage regulating controller that is complementary with the loaded capacity regulating voltage regulating shunting switch, comprises high-voltage meter, prepaid fee controlling device and control and compensation device in described control cubicle.
Be provided with intelligent type comprehensive controller and reactive power compensator in described control and compensation device.
Described loaded capacity regulating voltage regulating controller is provided with real-time data acquisition device and processing unit.
Described transformer body surface is provided with radiation protective layer.
Described transformer body both sides are provided with guide duct.
Described real-time data acquisition device adopts current transformer, and this current transformer is connected with the output of described transformer body.
On-load voltage regulation loaded capacity-regulated transformer of the present utility model, comprise transformer body and control cubicle, be provided with the loaded capacity regulating voltage regulating shunting switch that loaded capacity-regulated switch and on-load voltage regulating switch are integrated on described transformer body, described transformer body is provided with the loaded capacity regulating voltage regulating controller that is complementary with the loaded capacity regulating voltage regulating shunting switch, this transformer is by having two kinds of rated capacities of size and two kinds of rated capacity operational modes, transformer is when large capacity, the three-phase high-voltage winding is connected into delta connection (corner connection), low pressure winding parallel structure; When low capacity, the three-phase high-voltage winding is connected into star connection (star connects), low pressure windings in series structure.the high-low pressure tapping is connected with respectively load capacity and pressure regulating switch, the series-multiple connection conversion of the star of high pressure winding--angle conversion and low pressure winding, complete by shunting switch, and the switching of shunting switch is to decide switching to adjust voltage and capacity by supporting controller according to the load situation that detects, its good energy-conserving effect, have loaded capacity-regulated and the on-load voltage regulation function simultaneously, secondly, comprise high-voltage meter in described control cubicle, prepaid fee controlling device and control and compensation device, be provided with intelligent type comprehensive controller and reactive power compensator in described control and compensation device, have meritorious uneven regulatory function concurrently, independent sealed metering compartment is set in high-voltage meter, can need to configure a three-phase connection box according to the user, reserve two three-phase electronic ammeter installation sites, for remote meter reading provides hardware supports, coordinate " distribution operation management system " Real-Time Monitoring and wireless " four is distant ", support electric operating, and can stop power transmission by the daemon software remote control, check the device service data, check and revise definite value, prepaid fee controlling device can be realized long-range sale of electricity, again, described loaded capacity regulating voltage regulating controller is provided with real-time data acquisition device and processing unit, real time data comprises monitoring loaded capacity-regulated transformer low-pressure side three-phase voltage, three-phase current, three phases active power, three phase reactive power, power factor, can be by the touch key voltage of adjusting, setting current, system clock, time of delay, address, the isoparametric setting of user cipher, show sampling voltage, electric current, number of operations, the information such as capacity position, the loaded capacity regulating voltage regulating transformer has perfect interface, can carry out remote control by RS485 communication interface and upper machine communication, remote measurement, remote signalling, the contactless far-end of realizing loaded switch monitors and controls, available manual operation, also can be according to the secondary side current deviation signal, the automatic operation command switch is completed task switching, finally, described transformer body surface is provided with radiation protective layer, and described transformer body both sides are provided with guide duct, can reduce radiation, and good heat dissipation effect.The utility model is simple in structure, has simultaneously loaded capacity-regulated and the on-load voltage regulation function, and power supply reliability is high, has good value for applications.
Description of drawings
Below in conjunction with accompanying drawing, the utility model is further described:
Fig. 1 is structural front view of the present utility model.
Fig. 2 is structure vertical view of the present utility model.
When Fig. 3 is the large capacity of the utility model, winding connects schematic diagram.
When Fig. 4 is the utility model low capacity, winding connects schematic diagram.
Embodiment:
As shown in Figure 1, on-load voltage regulation loaded capacity-regulated transformer of the present utility model, comprise transformer body 1 and control cubicle 2, be provided with the loaded capacity regulating voltage regulating shunting switch 3 that loaded capacity-regulated switch and on-load voltage regulating switch are integrated on described transformer body 1, described transformer body 1 is provided with the loaded capacity regulating voltage regulating controller 4 that is complementary with loaded capacity regulating voltage regulating shunting switch 3, comprises high-voltage meter 5, prepaid fee controlling device 6 and control and compensation device 7 in described control cubicle 2.
Be provided with intelligent type comprehensive controller and reactive power compensator in described control and compensation device 7.
Described loaded capacity regulating voltage regulating controller 4 is provided with real-time data acquisition device and processing unit.
Described transformer body 1 surface is provided with radiation protective layer 8.
Described transformer body 1 both sides are provided with guide duct 9.
Described real-time acquisition device adopts current transformer, and this current transformer is connected with the output of described transformer body.
Take the 200kVA transformer as example, transformer operation in a year, by 360 days, moves 24 hours every day, because no-load loss exists at the transformer run duration always, therefore annual unloaded hourage is 8640; Transformer year operation average load is for fully loaded 50%, and according to square rule that be directly proportional of load loss to electric current, the actual loading loss is 1/4 of nominal load loss, and to be fully loaded with hourage be 360 * 24 * 1/4=2160 in equivalence.
As seen, separate unit 200kVA transformer adopting capacity transfer technology is than energy-conservation 5869kW of S9 type transformer year, 20 years energy-conservation 117383kWh; Than energy-conservation 4660kW of S11 type transformer year, 20 years energy-conservation 93191kWh; Become a year energy-conservation 2068kWh, 20 years energy-conservation 41351kWh than SH15 type amorphous.
Intelligent upgrading loaded capacity-regulated, voltage regulating transformer can improve the supply power voltage quality, reduces line loss, network loss, improves power supply reliability, significantly promotes management of power use level, has simultaneously splendid social benefit.
On-load voltage regulation loaded capacity-regulated transformer of the present utility model, comprise transformer body and control cubicle, be provided with the loaded capacity regulating voltage regulating shunting switch that loaded capacity-regulated switch and on-load voltage regulating switch are integrated on described transformer body, described transformer body is provided with the loaded capacity regulating voltage regulating controller that is complementary with the loaded capacity regulating voltage regulating shunting switch, this transformer is by having two kinds of rated capacities of size and two kinds of rated capacity operational modes, transformer is when large capacity, the three-phase high-voltage winding is connected into delta connection (corner connection), low pressure winding parallel structure; When low capacity, the three-phase high-voltage winding is connected into star connection (star connects), low pressure windings in series structure.the high-low pressure tapping is connected with respectively load capacity and pressure regulating switch, the series-multiple connection conversion of the star of high pressure winding--angle conversion and low pressure winding, complete by shunting switch, and the switching of shunting switch is to decide switching to adjust voltage and capacity by supporting controller according to the load situation that detects, its good energy-conserving effect, have loaded capacity-regulated and the on-load voltage regulation function simultaneously, secondly, comprise high-voltage meter in described control cubicle, prepaid fee controlling device and control and compensation device, be provided with intelligent type comprehensive controller and reactive power compensator in described control and compensation device, have meritorious uneven regulatory function concurrently, independent sealed metering compartment is set in high-voltage meter, can need to configure a three-phase connection box according to the user, reserve two three-phase electronic ammeter installation sites, for remote meter reading provides hardware supports, coordinate " distribution operation management system " Real-Time Monitoring and wireless " four is distant ", support electric operating, and can stop power transmission by the daemon software remote control, check the device service data, check and revise definite value, prepaid fee controlling device can be realized long-range sale of electricity, again, described loaded capacity regulating voltage regulating controller is provided with real-time data acquisition device and processing unit, real time data comprises monitoring loaded capacity-regulated transformer low-pressure side three-phase voltage, three-phase current, three phases active power, three phase reactive power, power factor, can be by the touch key voltage of adjusting, setting current, system clock, time of delay, address, the isoparametric setting of user cipher, show sampling voltage, electric current, number of operations, the information such as capacity position, the loaded capacity regulating voltage regulating transformer has perfect interface, can carry out remote control by RS485 communication interface and upper machine communication, remote measurement, remote signalling, the contactless far-end of realizing loaded switch monitors and controls, available manual operation, also can be according to the secondary side current deviation signal, the automatic operation command switch is completed task switching, finally, described transformer body surface is provided with radiation protective layer, and described transformer body both sides are provided with guide duct, can reduce radiation, and good heat dissipation effect.The utility model is simple in structure, has simultaneously loaded capacity-regulated and the on-load voltage regulation function, and power supply reliability is high, has good value for applications.
Claims (6)
1. on-load voltage regulation loaded capacity-regulated transformer, it is characterized in that: comprise transformer body and control cubicle, be provided with the loaded capacity regulating voltage regulating shunting switch that loaded capacity-regulated switch and on-load voltage regulating switch are integrated on described transformer body, described transformer body is provided with the loaded capacity regulating voltage regulating controller that is complementary with the loaded capacity regulating voltage regulating shunting switch, comprises high-voltage meter, prepaid fee controlling device and control and compensation device in described control cubicle.
2. on-load voltage regulation loaded capacity-regulated transformer as claimed in claim 1, is characterized in that: be provided with intelligent type comprehensive controller and reactive power compensator in described control and compensation device.
3. on-load voltage regulation loaded capacity-regulated transformer as claimed in claim 1, it is characterized in that: described loaded capacity regulating voltage regulating controller is provided with real-time data acquisition device and processing unit.
4. on-load voltage regulation loaded capacity-regulated transformer as claimed in claim 1, it is characterized in that: described transformer body surface is provided with radiation protective layer.
5. on-load voltage regulation loaded capacity-regulated transformer as claimed in claim 1, it is characterized in that: described transformer body both sides are provided with guide duct.
6. on-load voltage regulation loaded capacity-regulated transformer as claimed in claim 3 is characterized in that: described real-time data acquisition device adopts current transformer, and this current transformer is connected with the output of described transformer body.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202753209U CN203300414U (en) | 2013-05-20 | 2013-05-20 | On-load voltage-regulating and on-load capacity-regulating transformer |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2013202753209U CN203300414U (en) | 2013-05-20 | 2013-05-20 | On-load voltage-regulating and on-load capacity-regulating transformer |
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| CN203300414U true CN203300414U (en) | 2013-11-20 |
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| CN2013202753209U Expired - Fee Related CN203300414U (en) | 2013-05-20 | 2013-05-20 | On-load voltage-regulating and on-load capacity-regulating transformer |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268815A (en) * | 2013-05-20 | 2013-08-28 | 南阳市鑫特电气有限公司 | On-load voltage and capacitance regulated transformer |
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2013
- 2013-05-20 CN CN2013202753209U patent/CN203300414U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103268815A (en) * | 2013-05-20 | 2013-08-28 | 南阳市鑫特电气有限公司 | On-load voltage and capacitance regulated transformer |
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| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20131120 Termination date: 20210520 |
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| CF01 | Termination of patent right due to non-payment of annual fee |