CN201274381Y - Energy saving system for low voltage power supply and distribution - Google Patents

Energy saving system for low voltage power supply and distribution Download PDF

Info

Publication number
CN201274381Y
CN201274381Y CNU2008202124403U CN200820212440U CN201274381Y CN 201274381 Y CN201274381 Y CN 201274381Y CN U2008202124403 U CNU2008202124403 U CN U2008202124403U CN 200820212440 U CN200820212440 U CN 200820212440U CN 201274381 Y CN201274381 Y CN 201274381Y
Authority
CN
China
Prior art keywords
energy
distribution
power
low pressure
main
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 - Lifetime
Application number
CNU2008202124403U
Other languages
Chinese (zh)
Inventor
吴韶毅
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.)
Shenzhen Feixia Machinery & Electronics Technology Co Ltd
Original Assignee
Shenzhen Feixia Machinery & Electronics 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 Shenzhen Feixia Machinery & Electronics Technology Co Ltd filed Critical Shenzhen Feixia Machinery & Electronics Technology Co Ltd
Priority to CNU2008202124403U priority Critical patent/CN201274381Y/en
Application granted granted Critical
Publication of CN201274381Y publication Critical patent/CN201274381Y/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

Classifications

    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/30Reactive power compensation
    • 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
    • Y02EREDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
    • Y02E40/00Technologies for an efficient electrical power generation, transmission or distribution
    • Y02E40/40Arrangements for reducing harmonics

Landscapes

  • Remote Monitoring And Control Of Power-Distribution Networks (AREA)

Abstract

The utility model relates to a low-voltage energy-saving system for power distribution and supply, which comprises a main switchboard and one or a plurality of sub-switchboards, wherein, the main switchboard is connected with a main power supply circuit; one or a plurality of sub-switchboards are connected with the main switchboard; in the main switchboard, the main power supply circuit is connected with an energy-saving controller, and divided into one or a plurality of power supply branches which are respectively connected with one or a plurality of sub-switchboards; each power supply branch is respectively connected with an energy-saving controller; in the sub-switchboards, each power supply branch is also connected with an energy-saving controller. The traditional power distribution and supply device has the disadvantages of no energy-saving function of elements, high energy consumption, large volume, short service life and high fault rate. The utility model integrates electricity saving and protection functions, and can save electricity through voltage stabilization, buffering, temperature reduction, clean and compensation.

Description

A kind of low pressure is for the distribution energy conserving system
Technical field
The utility model relates to electric power system, more particularly, relates to a kind of low pressure with energy-conservation and defencive function and supplies the distribution energy conserving system.
Background technology
Power supply-distribution system is commonly referred to as power distribution cabinet/case, is a kind of equipment that electric energy is distributed.Power supply-distribution system comprise a main distribution cabinet and several minutes power distribution cabinet, convenient like this with power delivery to huge numbers of families, and be easy to management and maintenance.At present, the still a large amount of traditional low pressure power supplying and distributing equipments that use of domestic low-voltage power supply and distribution system also do not have energy-saving low-voltage power supply and distribution system to come out on the market.Components and parts in traditional low pressure power supplying and distributing equipment do not have power saving function, and power consumption is high, volume is big, has the shortcoming that useful life is short, failure rate is high simultaneously.
The utility model content
The technical problems to be solved in the utility model is; above-mentioned low-voltage power supply and distribution system at prior art does not have power saving function, the defective high, that volume is big, useful life is short and failure rate is high that consumes energy, and provides a kind of and has the low pressure of energy-conservation and defencive function for the distribution energy conserving system.
The technical scheme that its technical problem that solves the utility model adopts is: construct a kind of low pressure for the distribution energy conserving system, it comprises main distribution cabinet that is connected with main power circuit and one or more minutes power distribution cabinets that are connected with described main distribution cabinet, wherein:
In described main distribution cabinet, described main power circuit is connected with an energy-saving controller, this main power circuit is divided into one or more power branch and links to each other with described one or more minutes power distribution cabinets respectively, and every of described one or a plurality of power branch is connected with an energy-saving controller respectively;
In described one or more minutes power distribution cabinets, every of described one or more power branch also is connected with an energy-saving controller respectively.
Supply in the distribution energy conserving system, wherein in low pressure described in the utility model:
In described main distribution cabinet, be in series with a circuit breaker respectively on described one or more power branch;
In described one or more minutes power distribution cabinets, also be in series with a circuit breaker on described one or more power branch respectively.
Low pressure described in the utility model for the distribution energy conserving system in, described energy-saving controller is provided with Transient Suppression Diode between the live wire of power supply and zero line, and also is provided with Transient Suppression Diode between zero line and protective earthing line.
Supply in the distribution energy conserving system in low pressure described in the utility model, described Transient Suppression Diode also is parallel with an indicator light.
Supply in the distribution energy conserving system in low pressure described in the utility model, described power supply is a three phase mains, and described energy-saving controller is connected with three live wires, zero line and the protective earthing line of described three phase mains respectively.
Supply to be in series with first contactor, fuse, second contactor, thermal relay and reactor successively on the branch road of corresponding described three live wires in the described energy-saving controller in the distribution energy conserving system in low pressure described in the utility model.
Supply in the distribution energy conserving system in low pressure described in the utility model, the branch road of corresponding described three live wires is connected with a capacitor between any two respectively in the described energy-saving controller after described reactor.
Low pressure described in the utility model for the distribution energy conserving system in, an end of the Transient Suppression Diode of described parallel connection and indicator light is connected on the zero line, the other end is connected between the fuse and second contactor on the live wire.
Supply in the distribution energy conserving system in low pressure described in the utility model, the main power circuit of described main distribution cabinet is connected on the civil power.
Supply in the distribution energy conserving system in low pressure described in the utility model, the main power circuit of described main distribution cabinet also is connected with an accessory power supply.
Implement low pressure of the present utility model for the distribution energy conserving system, have following beneficial effect:
1, voltage stabilizing economize on electricity: the operating voltage of optimization and stable using electricity system, eliminate the overloading of power consumption equipment and cross thermal losses;
2, buffering economize on electricity: the wink stream, the surge that suppress system impact the phase step type of electricity-measuring meter, use the metering of ammeter to recover normal;
3, cooling economize on electricity: because the influence of flowing in wink, core material increases owing to excessive magnetic hysteresis makes current loss, the result makes inductive load, and especially the temperature of motor rises, and the every rising of motor temperature once, approximately increase by 4% power consumption, because the clamping voltage of energy-saving controller is between live wire and zero line, clamp value is 275V, so the voltage that system exceeds is all suppressed rapidly, thereby suppressed surge voltage, made its influence reduce to minimum degree end load and whole system;
4, cleaning economize on electricity: the utility model can make contactor and the circuit in the using electricity system can not generate oxidizability carbon film layer, even the established oxidizability carbon film layer in probe of contactor surface is progressively peeled off, and the retardance of releiving has reduced the failure rate of power consumption equipment;
5, compensation economize on electricity: the utility model can carry out reactive power compensation to using electricity system, improves the power factor of whole using electricity system, improves the power consumption efficiency of system, reduces line loss.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples, in the accompanying drawing:
Fig. 1 is the system block diagram of low pressure of the present utility model for the distribution energy conserving system;
Fig. 2 is the schematic diagram of low pressure of the present utility model for the energy-saving controller of distribution energy conserving system;
Fig. 3 is the schematic diagram that energy-saving controller of the present utility model is used in circuit.
Embodiment
In order to make technical problem to be solved in the utility model, technical scheme and beneficial effect clearer,, the utility model is further elaborated below in conjunction with drawings and Examples.Should be appreciated that specific embodiment described herein only in order to explanation the utility model, and be not used in qualification the utility model.
Use according to low pressure of the present utility model for the distribution energy conserving system after, to electric power system energy-conservation, improve power supply-distribution system efficient, improve system reliability and fail safe has great importance.In addition, energy-saving controller of the present utility model is widely used in the equipment protection and the Energy Saving Control of AC380V low-voltage power using electricity system main distribution cabinet and secondary distribution electricity cabinet.
As shown in Figure 1, low pressure of the present utility model comprises main distribution cabinet 1 that is connected with main power circuit and the one or more minutes power distribution cabinets 2 that are connected with main distribution cabinet 1 for the distribution energy conserving system.Wherein, in main distribution cabinet 1, main power circuit is connected with an energy-saving controller 3, and this main power circuit is divided into one or more power branch and links to each other with one or more minutes power distribution cabinets 2 respectively, and every of one or a plurality of power branch is connected with an energy-saving controller 3 respectively.In one or more minutes power distribution cabinets 2, every of one or more power branch also is connected with an energy-saving controller 3 respectively.
According to the utility model, main distribution cabinet 1 is connected with main power circuit (being civil power), being divided into some branch roads then in main distribution cabinet 1 is connected with dividing power distribution cabinet 2, divide power distribution cabinet 2 to be connected to various loads, and these loads are powered, as TV, computer, engine, lighting apparatus etc.All be connected with energy-saving controller 3 on main power circuit and these branch roads; the utility model adopts transition to suppress technology and electromagnetic balance suppresses the harmonic wave means; effectively the transition in every circuit, surge, harmonic wave are suppressed, thereby protection system equipment does not suffer interference and damage.In addition, the utility model can reduce the caused using electricity system energy consumption of these pollutant sources effectively and increase, and improves the efficient of using electricity system, thereby prolongs the useful life of equipment.
In addition, in main distribution cabinet 1, be in series with a circuit breaker 4 on above-mentioned one or more power branch respectively.In one or more minutes power distribution cabinets 2, also be in series with a circuit breaker 4 on one or more power branch respectively.Wherein, circuit breaker 4 is a kind of basic low-voltage electrical apparatuses, has overload, short circuit and under voltage protection function, can protection circuit and the ability of power supply.
As shown in Figure 2; shown energy-saving controller 3 is provided with Transient Suppression Diode (TVS) 21 between the live wire L of power supply and zero line N; and between zero line N and protective earthing line PE, also be provided with Transient Suppression Diode 21; can suppress transition, surge, harmonic wave in the circuit etc. so effectively; the system energy consumption increase that these factors cause be can also reduce, thereby protection and energy-conservation double effects reached.In addition, Transient Suppression Diode also is parallel with an indicator light 22.
Preferably, above-mentioned power supply is a three phase mains, and energy-saving controller 3 is connected with three live wire L, zero line N and the protective earthing line PE of three phase mains respectively.Be in series with first contactor 23, fuse 24, second contactor 25, thermal relay 26 and reactor 27 successively on the branch road of corresponding three live wire L in the energy-saving controller 3.The branch road of corresponding three live wires is connected with a capacitor 28 between any two respectively in the energy-saving controller 3 after reactor 27.Wherein, Transient Suppression Diode 21 in parallel is connected on the zero line N with an end of indicator light 22, and the other end is connected between the fuse 24 and second contactor 25 on the live wire L.Below all be structure commonly used in the prior art, do not repeat them here its operation principle.
Energy-saving controller 3 of the present utility model adopts TVS electric power system transition to suppress technology, electromagnetic balance suppresses harmonic wave means and unique circuit design; thereby can monitor, filter, absorb, suppress electric pollution such as transition, surge, harmonic wave in the distribution network in real time; protection system equipment does not suffer interference and damage; can also effectively reduce the caused using electricity system energy consumption of these pollutant sources in addition increases; improve the efficient of using electricity system and the useful life that prolongs equipment, thereby reach the double effects of economize on electricity and protection equipment.
As shown in Figure 3, there is shown the schematic diagram that energy-saving controller of the present utility model is used in circuit.In Fig. 3, the main power circuit of main distribution cabinet 1 is connected on the civil power, and the main power circuit of main distribution cabinet 1 also is connected with an accessory power supply, i.e. generator.Energy-saving controller 3 is connected with three live wire L21, L22, L23 of three live wire L11, L12, L13 and generating sets of three phase mains respectively, also is connected with zero line N and protective earthing line PE in addition.
Civil power and accessory power supply are connected to load 31 by ATS (changing cabinet automatically); energy-saving controller 3 is connected to civil power and generator simultaneously; so that the transition in the circuit, surge, harmonic wave are monitored in real time, filter, absorb, suppressed, thereby protection system equipment does not suffer interference and damage.Automatically the conversion cabinet is a kind of civil power and generating set automatic switching control equipment of standard, and when this system discovery civil power interruption and through behind the delay confirmation, system can send instruction from the trend generating set, the generating of starter-generator group; After confirming that generating set enters normal stable generating, this system's control civil power/unit automatic change-over work changes load 31 over to electric set electric supply; After the city power recovery normal power supply was being learnt by this system, system changed load 31 over to mains-supplied again, and this moment, the generating set automatic time delay was shut down.
The above only is preferred embodiment of the present utility model; not in order to restriction the utility model; any modification of being done within every spirit of the present utility model and the principle, be equal to and replace and improvement etc., all should be included within the protection range of the present utility model.

Claims (10)

1, a kind of low pressure is characterized in that for the distribution energy conserving system, comprises main distribution cabinet (1) that is connected with main power circuit and the one or more minutes power distribution cabinets (2) that are connected with described main distribution cabinet (1), wherein:
In described main distribution cabinet (1), described main power circuit is connected with an energy-saving controller (3), this main power circuit be divided into one or more power branch respectively with described one or more minutes power distribution cabinet (2) link to each other, every of described one or a plurality of power branch is connected with an energy-saving controller (3) respectively;
In described one or more minutes power distribution cabinet (2), every of described one or more power branch also is connected with an energy-saving controller (3) respectively.
2, low pressure according to claim 1 is characterized in that for the distribution energy conserving system, wherein:
In described main distribution cabinet (1), be in series with a circuit breaker (4) on described one or more power branch respectively;
In described one or more minutes power distribution cabinet (2), also be in series with a circuit breaker (4) on described one or more power branch respectively.
3, low pressure according to claim 1 is for the distribution energy conserving system; it is characterized in that; described energy-saving controller (3) is provided with Transient Suppression Diode (21) between the live wire of power supply and zero line, and also is provided with Transient Suppression Diode (21) between zero line and protective earthing line.
4, low pressure according to claim 3 is characterized in that for the distribution energy conserving system described Transient Suppression Diode also is parallel with an indicator light (22).
5, low pressure according to claim 4 is characterized in that for the distribution energy conserving system described power supply is a three phase mains, and described energy-saving controller (3) is connected with three live wires, zero line and the protective earthing line of described three phase mains respectively.
6, low pressure according to claim 5 is for the distribution energy conserving system, it is characterized in that, be in series with first contactor (23), fuse (24), second contactor (25), thermal relay (26) and reactor (27) successively on the branch road of corresponding described three live wires in the described energy-saving controller (3).
7, low pressure according to claim 6 is characterized in that for the distribution energy conserving system, and the branch road of corresponding described three live wires is connected with a capacitor (28) respectively afterwards between any two at described reactor (27) in the described energy-saving controller (3).
8, low pressure according to claim 7 is for the distribution energy conserving system, it is characterized in that, one end of the Transient Suppression Diode of described parallel connection (21) and indicator light (22) is connected on the zero line, and the other end is connected between the fuse (24) and second contactor (25) on the live wire.
9, low pressure according to claim 1 is characterized in that for the distribution energy conserving system main power circuit of described main distribution cabinet (1) is connected on the civil power.
10, low pressure according to claim 9 is characterized in that for the distribution energy conserving system main power circuit of described main distribution cabinet (1) also is connected with an accessory power supply.
CNU2008202124403U 2008-10-13 2008-10-13 Energy saving system for low voltage power supply and distribution Expired - Lifetime CN201274381Y (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CNU2008202124403U CN201274381Y (en) 2008-10-13 2008-10-13 Energy saving system for low voltage power supply and distribution

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CNU2008202124403U CN201274381Y (en) 2008-10-13 2008-10-13 Energy saving system for low voltage power supply and distribution

Publications (1)

Publication Number Publication Date
CN201274381Y true CN201274381Y (en) 2009-07-15

Family

ID=40884721

Family Applications (1)

Application Number Title Priority Date Filing Date
CNU2008202124403U Expired - Lifetime CN201274381Y (en) 2008-10-13 2008-10-13 Energy saving system for low voltage power supply and distribution

Country Status (1)

Country Link
CN (1) CN201274381Y (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102208833A (en) * 2011-05-13 2011-10-05 艾默生网络能源有限公司 Power supply system and modular distribution device thereof
CN103269016A (en) * 2013-05-24 2013-08-28 广州供电局有限公司 Three-phase supply switch box
CN104134992A (en) * 2014-06-22 2014-11-05 山西乐普节能技术有限公司 Low-voltage power saver
CN105720602A (en) * 2016-01-21 2016-06-29 易事特集团股份有限公司 Photovoltaic grid-connected power generating energy storage inverter grid-connected-off-grid system and operation device thereof
CN115066115A (en) * 2022-08-18 2022-09-16 上海捷勃特机器人有限公司 Control cabinet for robot drive and assembling method thereof

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102208833A (en) * 2011-05-13 2011-10-05 艾默生网络能源有限公司 Power supply system and modular distribution device thereof
CN102208833B (en) * 2011-05-13 2014-01-01 艾默生网络能源有限公司 Power supply system and modular distribution device thereof
CN103269016A (en) * 2013-05-24 2013-08-28 广州供电局有限公司 Three-phase supply switch box
CN104134992A (en) * 2014-06-22 2014-11-05 山西乐普节能技术有限公司 Low-voltage power saver
CN105720602A (en) * 2016-01-21 2016-06-29 易事特集团股份有限公司 Photovoltaic grid-connected power generating energy storage inverter grid-connected-off-grid system and operation device thereof
CN105720602B (en) * 2016-01-21 2019-02-05 易事特集团股份有限公司 Parallel network power generation energy storage inverter is grid-connected-off-grid system and its running gear
CN115066115A (en) * 2022-08-18 2022-09-16 上海捷勃特机器人有限公司 Control cabinet for robot drive and assembling method thereof

Similar Documents

Publication Publication Date Title
CN102412544B (en) Power-uninterrupted ice melting and SVG-type reactive static compensation compound device and use method thereof
CN103066684A (en) High voltage direct current power supply system
CN201274381Y (en) Energy saving system for low voltage power supply and distribution
CN202906774U (en) High-power photovoltaic inverter with automatic power-off auxiliary power supply circuit
CN203104085U (en) High-voltage direct-current power supply system
CN1901316A (en) Converter for changing three phase power into single phase power
WO2024169162A1 (en) Power supply apparatus in which distributed photovoltaic direct current is connected to direct-current bus of aluminum electrolytic tank
CN203261040U (en) Low-voltage dynamic reactive power compensation device
CN204992581U (en) Apply to electric main wiring of two electric pressure intermediate pressure sections of wind -powered electricity generation field
CN201142576Y (en) Three-phase four-wire system active filter device for electrolyser
Emhemed et al. Protection analysis for plant rating and power quality issues in LVDC distribution power systems
CN203491701U (en) Harmonic-resistant intelligent integrated power capacitor
CN103001253B (en) Be suitable for photovoltaic DC-to-AC converter electric power system and the method for supplying power to thereof of lower voltage ride-through requirement
CN112787304B (en) Pure solid-state short circuit protection device for ship direct-current power grid
CN202930939U (en) Intelligent type three phase electricity-saving appliance
CN112467756A (en) Reactive power compensation device and method
CN202206141U (en) Submerged arc furnace secondary low pressure fixing and dynamic energy-saving compensation device
CN201623495U (en) Reactive power compensation complete equipment of SVC transformer substation
CN201199634Y (en) Electric network positive-negative reactive compensator
Liang et al. Research on DC Vacuum Switch of Micro-Grid in Road Lighting
CN204966980U (en) Block terminal wiring system is synthesized to low pressure
CN205335862U (en) Flexible switching device of intelligence
CN220732381U (en) Flexible control system of box-type transformer of photovoltaic power station
CN201928025U (en) Intelligent all-purpose electricity saver
CN2632920Y (en) Supar-capacitance intelligent control module zero maintenance DC screen

Legal Events

Date Code Title Description
C14 Grant of patent or utility model
GR01 Patent grant
CX01 Expiry of patent term

Granted publication date: 20090715

CX01 Expiry of patent term