CN102545087A - Multifunctional power distribution cabinet special for microgrid system - Google Patents
Multifunctional power distribution cabinet special for microgrid system Download PDFInfo
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- CN102545087A CN102545087A CN2012100083518A CN201210008351A CN102545087A CN 102545087 A CN102545087 A CN 102545087A CN 2012100083518 A CN2012100083518 A CN 2012100083518A CN 201210008351 A CN201210008351 A CN 201210008351A CN 102545087 A CN102545087 A CN 102545087A
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- 230000001681 protective effect Effects 0.000 abstract 1
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Abstract
The invention relates to a multifunctional power distribution cabinet special for a microgrid system. According to the multifunctional power distribution cabinet, a grid-tied loop and a feeder loop are integrated in the multifunctional power distribution cabinet, wherein the grid-tied loop comprises an active filter, a two-way charging electric meter, an electric energy quality monitoring terminal, a grid-tied switch part, a bus differential protective device, a current transformer, a voltage transformer and microgrid power supply bus; the grid-tied loop is connected with an external power supply circuit and a microgrid circuit by the current transformer; the feeder loop has a structure of a drawer type modular assembly, and each module comprises a feeder circuit breaker, a feeder tripper, the current transformer and a digital electric meter; and one end of each drawer type module is connected with the power supply bus, and the output of the other end of each drawer type module is connected with each loop. By the multifunctional power distribution cabinet, the technical blank of equipment special for the microgrid system is filled up, the reliability, safety and economy of the running of the microgrid system are improved obviously, and the demands of functions and the equipment of the implementation of the microgrid system are ensured.
Description
Technical field
The invention belongs to power supply, distribution, electricity consumption and electrification, what be specifically related to is the multi-functional distribution cabinet of a kind of microgrid system-specific.
Background technology
The microgrid systems technology still is in the starting stage, also is not directed to the special-purpose power distribution cabinet of microgrid system operation function requirement at present.Domestic be incorporated into the power networks cabinet or the feeder line cabinet that only has in several microgrid engineerings only is common low-voltage distribution cabinet, and function is simple, can't satisfy the advanced microgrid system safety reliability service and the realization of inner multi-functional cooperation.
The shortcoming of conventional power distribution cabinet is; Function is simple, can't dispatch, minimum circuit breaker does not possess remote control function, do not possess microgrid system self the various functional interfaces that need more, as: quality of power supply on-line monitoring, operational mode conversion, system protection cooperation, harmonic wave control etc.Do not have clear and definite functional area to divide, be unfavorable for that the operations staff operates, and exists potential safety hazard.
Summary of the invention
The objective of the invention is to overcome the deficiency of prior art, provide that a kind of reasonable in design, controlled function are various, the mode switch multi-functional distribution cabinet of microgrid system-specific easily.
The objective of the invention is to realize through following technological means:
The multi-functional distribution cabinet of a kind of microgrid system-specific; Include the loop of being incorporated into the power networks, feeder assembly; The said loop of being incorporated into the power networks, feeder assembly is integrated side by side is installed in the multi-functional distribution cabinet; The said loop of being incorporated into the power networks includes: two-way charging electric meter, electric energy quality monitoring terminal, the switch sections that is incorporated into the power networks, active filter, bus differential protecting device, current transformer, voltage transformer and microgrid power supply buses; Said two-way charging electric meter, electric energy quality monitoring terminal, active filter, bus differential protecting device link to each other with externally fed circuit and microgrid circuit through current transformer, are used to gather the current signal of outer net circuit and microgrid circuit; Said feeder assembly adopts drawer type modular assembly structure; Include feeder line circuit breaker, feeder line release, current transformer, digital ammeter in each drawer type module; Said each drawer type module one end links to each other with power supply buses, and other end output links to each other with each loop.
And; Said two-way charging electric meter is installed in the top of the special-purpose power distribution cabinet panel of microgrid; And protect through the perspective valve, said Power Quality Detection terminal is installed in the bottom of the special-purpose power distribution cabinet panel of microgrid, and the terminal board of said electric energy quality monitoring terminal passes through control cable and links to each other with the terminal board of current transformer; Realize information remote transmitting through the USB interface of self ETX plate simultaneously, and the standby plate of electric energy quality monitoring terminal is that multiloop provides information.
And; The said switch sections that is incorporated into the power networks includes the circuit breaker that is incorporated into the power networks, release; Said switch sections one end that is incorporated into the power networks links to each other with power supply buses, and the other end connects microgrid higher level power distribution station power supply circuits, and the said switch sections that is incorporated into the power networks is packed in the inside of the multi-functional distribution cabinet of said microgrid system-specific by bolt; And showing its operating state through the indicator light on the special-purpose power distribution cabinet panel of microgrid, the operating voltage of indicator light is taken from the circuit breaker that is incorporated into the power networks.
And said active filter one end is gathered the current waveform information that microgrid is incorporated into the power networks and locates through current transformer, and the other end is connected with little mains supply bus through feeder assembly.
And said bus differential protecting device connects be incorporated into the power networks circuit breaker and feeder line part through control cable respectively, gathers the electric current in each loop through the current transformer in each loop, gathers busbar voltage through voltage transformer.
And each drawer type module surface is equipped with working station indicator, jumping/switch knob, the pull handle of feeder line circuit breaker, and the operating voltage of this indicator light is taken from the feeder line circuit breaker.
And, being fixed with radiator in the bottom of the special-purpose power distribution cabinet of said microgrid, radiator passes through to cooperate with it, and opens shutter and the heat exchange with outside on microgrid power distribution cabinet lower case.
Advantage of the present invention and good effect are:
This invention product has been filled up the technological gap of microgrid system-specific equipment.Microgrid reliability of system operation, fail safe and economy have been significantly improved.The functional requirement and the device requirement of microgrid system implementation have been guaranteed.Can extensive use has higher economy along with the promotion and implementation of microgrid system.
Description of drawings
Fig. 1 is a Facad structure view of the present invention;
Fig. 2 is the be incorporated into the power networks elementary diagram of loop, feeder assembly of the present invention;
Fig. 3 is a Power Quality Detection of the present invention terminal backboard wiring schematic diagram.
Embodiment
Further specify the present invention below in conjunction with the practical implementation method, following embodiment is illustrative, is not determinate, can not limit protection scope of the present invention with following embodiment.Below be that example is done the present invention and specified with 400 volts of little electrical networks.
The multi-functional distribution cabinet of a kind of microgrid system-specific; As shown in Figure 1; Include the loop 11 of being incorporated into the power networks, feeder assembly 12; The said loop of being incorporated into the power networks, feeder assembly is integrated side by side is installed in the special-purpose power distribution cabinet 13, and the said loop of being incorporated into the power networks is as shown in Figure 2; Include: two-way charging electric meter (DTSD341) 9, electric energy quality monitoring terminal (SN5000D) 7, the switch sections 4 that is incorporated into the power networks, active filter 6, bus differential protecting device 3, current transformer 23, (400/100) 20 and 400 volt of power supply buses 8 of voltage transformer.
As shown in Figure 2; Said two-way charging electric meter (DTSD341), electric energy quality monitoring terminal (SN5000D), active filter, bus differential protecting device; Link to each other with externally fed circuit and microgrid circuit through current transformer, be used to gather the current signal of outer net circuit and microgrid circuit.
Shown in Fig. 1 or 3; Said two-way charging electric meter is installed in the top of the special-purpose power distribution cabinet panel of microgrid; And protect through perspective valve 10, said Power Quality Detection terminal is installed in the bottom of the special-purpose power distribution cabinet panel of microgrid, and the terminal board of said electric energy quality monitoring terminal passes through control cable and links to each other with the terminal board of current transformer; Realize information remote transmitting through the USB interface of self ETX plate simultaneously, and the standby plate of electric energy quality monitoring terminal provides information for multiloop simultaneously.
Shown in Fig. 1 or 2, the said switch sections that is incorporated into the power networks includes: the circuit breaker that is incorporated into the power networks (T4N250/4P) 22, and release (PD221DS/LSI) 21, said switch sections one end that is incorporated into the power networks links to each other with 400 volts of power supply buses, and the other end connects microgrid higher level power distribution station power supply circuits; The said switch sections that is incorporated into the power networks is packed in the inside of the special-purpose power distribution cabinet of said microgrid by bolt, and shows its operating state through the indicator light 5 on the special-purpose power distribution cabinet panel of microgrid, and the operating voltage of indicator light is taken from the circuit breaker that is incorporated into the power networks.
Shown in Fig. 1 or 2; Said active filter is gathered the current waveform information that microgrid is incorporated into the power networks and locates through current transformer; Be connected with little mains supply bus through feeder assembly simultaneously, filtering is harmful to harmonic wave, and said active filter is packed in the inside of the special-purpose power distribution cabinet of microgrid.
As shown in Figure 2, said bus differential protecting device connects be incorporated into the power networks circuit breaker 22 and feeder assembly through control cable respectively, gathers the electric current in each loop through the current transformer 23,26 in each loop, gathers busbar voltage through voltage transformer.
Shown in Fig. 1 or 2, said 400 volts of power supply buses are packed in the inside of the special-purpose power distribution cabinet of said microgrid, and with the circuit breaker that is incorporated into the power networks, feeder line part and voltage transformer link to each other.
Shown in Fig. 1 or 2, the feeder assembly of the special-purpose power distribution cabinet of said microgrid adopts drawer type module 17 modular constructions.All including feeder line circuit breaker (T2N160/4P) 25, feeder line release 24 (PD221DS/LSI), current transformer 26 (ALH-0.66), digital ammeter 27 (PM800) in each module. each drawer type module surface is equipped with working station indicator 14, jumping/switch knob 15, the pull handle 18 of feeder line circuit breaker; The operating voltage of indicator light is taken from the feeder line circuit breaker; Said feeder assembly drawer type module is packed on the panel of the special-purpose power distribution cabinet of microgrid by bolt 19; The one of which end links to each other with 400 volts of power supply buses, and other end output links to each other with each loop.
As shown in Figure 1, be fixed with radiator 2 in the bottom of the special-purpose power distribution cabinet of said microgrid, radiator passes through to cooperate with it, and opens shutter 1 and the heat exchange with outside on microgrid power distribution cabinet lower case.
Claims (7)
1. multi-functional distribution cabinet of microgrid system-specific; It is characterized in that: include the loop of being incorporated into the power networks, feeder assembly; The said loop of being incorporated into the power networks, feeder assembly is integrated side by side is installed in the multi-functional distribution cabinet; The said loop of being incorporated into the power networks includes: two-way charging electric meter, electric energy quality monitoring terminal, the switch sections that is incorporated into the power networks, active filter, bus differential protecting device, current transformer, voltage transformer and microgrid power supply buses, and said two-way charging electric meter, electric energy quality monitoring terminal, active filter, bus differential protecting device link to each other with externally fed circuit and microgrid circuit through current transformer and are used to gather the current signal of outer net circuit and microgrid circuit; Said feeder assembly adopts drawer type modular assembly structure; All include feeder line circuit breaker, feeder line release, current transformer and digital ammeter in each drawer type module; Said each drawer type module one end links to each other with power supply buses, and other end output links to each other with each loop.
2. the multi-functional distribution cabinet of microgrid system-specific according to claim 1; It is characterized in that: said two-way charging electric meter is installed in the top of the special-purpose power distribution cabinet panel of microgrid; And through the perspective valve protect; Said Power Quality Detection terminal is installed in the bottom of the special-purpose power distribution cabinet panel of microgrid; The terminal board of said electric energy quality monitoring terminal links to each other with the terminal board of current transformer through control cable, the USB interface realization information remote transmitting through self ETX plate simultaneously, and also the standby plate of electric energy quality monitoring terminal is that multiloop provides information.
3. the multi-functional distribution cabinet of microgrid system-specific according to claim 1 and 2; It is characterized in that: the said switch sections that is incorporated into the power networks includes the circuit breaker that is incorporated into the power networks, release; Said switch sections one end that is incorporated into the power networks links to each other with power supply buses; The other end connects microgrid higher level power distribution station power supply circuits; The said switch sections that is incorporated into the power networks is packed in the inside of the multi-functional distribution cabinet of said microgrid system-specific by bolt, and shows its operating state through the indicator light on the special-purpose power distribution cabinet panel of microgrid, and the operating voltage of indicator light is taken from the circuit breaker that is incorporated into the power networks.
4. the multi-functional distribution cabinet of microgrid system-specific according to claim 1 and 2; It is characterized in that: said active filter one end is gathered the current waveform information that microgrid is incorporated into the power networks and locates through current transformer, and the other end is connected with the microgrid power supply buses through feeder assembly.
5. the multi-functional distribution cabinet of microgrid system-specific according to claim 1 and 2; It is characterized in that: said bus differential protecting device connects be incorporated into the power networks circuit breaker and feeder line part through control cable respectively; Gather the electric current in each loop through the current transformer in each loop, gather busbar voltage through voltage transformer.
6. the multi-functional distribution cabinet of microgrid system-specific according to claim 1; It is characterized in that: each drawer type module surface is equipped with working station indicator, jumping/switch knob, the pull handle of feeder line circuit breaker, and the operating voltage of this indicator light is taken from the feeder line circuit breaker.
7. the multi-functional distribution cabinet of microgrid system-specific according to claim 1; It is characterized in that: be fixed with radiator in the bottom of the special-purpose power distribution cabinet of said microgrid; Radiator passes through to cooperate with it, and opens shutter and the heat exchange with outside on microgrid power distribution cabinet lower case.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN2012100083518A CN102545087A (en) | 2012-01-12 | 2012-01-12 | Multifunctional power distribution cabinet special for microgrid system |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012100083518A CN102545087A (en) | 2012-01-12 | 2012-01-12 | Multifunctional power distribution cabinet special for microgrid system |
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| CN102545087A true CN102545087A (en) | 2012-07-04 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN2012100083518A Pending CN102545087A (en) | 2012-01-12 | 2012-01-12 | Multifunctional power distribution cabinet special for microgrid system |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135073A (en) * | 2014-07-17 | 2014-11-05 | 泰兴市华诚机电制造有限公司 | Distributed solar grid-connected control box and control method |
| CN109921374A (en) * | 2019-03-06 | 2019-06-21 | 江苏和网源电气有限公司 | A kind of micro-capacitance sensor voltage protective device |
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| US20070047573A1 (en) * | 2005-08-29 | 2007-03-01 | Arkados, Inc. | Networking and multimedia adapter for power outlets |
| KR20070089391A (en) * | 2006-02-28 | 2007-08-31 | (주)태성계전 | Switchgear with photovoltaic generation |
| CN101030711A (en) * | 2007-03-15 | 2007-09-05 | 中国船舶重工集团公司第七一二研究所 | Microcomputer protecting controller |
| CN201466480U (en) * | 2009-06-11 | 2010-05-12 | 石成林 | Four-in-one low-voltage cabinet for transformer substation |
| CN201541055U (en) * | 2009-10-31 | 2010-08-04 | 华南理工大学 | PLC-based distribution cabinet of medium and small sized wind/solar hybrid generation system |
| CN202405682U (en) * | 2012-01-12 | 2012-08-29 | 天津市电力公司 | Multifunctional distribution cabinet special for micro-grid system |
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2012
- 2012-01-12 CN CN2012100083518A patent/CN102545087A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2381048Y (en) * | 1999-06-03 | 2000-05-31 | 常德市电机工程学会 | Outdoor ac. low-voltage comprehensive distribution cabinet |
| US20070047573A1 (en) * | 2005-08-29 | 2007-03-01 | Arkados, Inc. | Networking and multimedia adapter for power outlets |
| KR20070089391A (en) * | 2006-02-28 | 2007-08-31 | (주)태성계전 | Switchgear with photovoltaic generation |
| CN101030711A (en) * | 2007-03-15 | 2007-09-05 | 中国船舶重工集团公司第七一二研究所 | Microcomputer protecting controller |
| CN201466480U (en) * | 2009-06-11 | 2010-05-12 | 石成林 | Four-in-one low-voltage cabinet for transformer substation |
| CN201541055U (en) * | 2009-10-31 | 2010-08-04 | 华南理工大学 | PLC-based distribution cabinet of medium and small sized wind/solar hybrid generation system |
| CN202405682U (en) * | 2012-01-12 | 2012-08-29 | 天津市电力公司 | Multifunctional distribution cabinet special for micro-grid system |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104135073A (en) * | 2014-07-17 | 2014-11-05 | 泰兴市华诚机电制造有限公司 | Distributed solar grid-connected control box and control method |
| CN104135073B (en) * | 2014-07-17 | 2016-04-27 | 泰兴市华诚机电制造有限公司 | A kind of distributed solar energy cutting-in control case and control method |
| CN109921374A (en) * | 2019-03-06 | 2019-06-21 | 江苏和网源电气有限公司 | A kind of micro-capacitance sensor voltage protective device |
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Owner name: TIANJIN ELECTRIC POWER DESIGN INSTITUTE STATE GRID Free format text: FORMER OWNER: TIANJIN ELECTRIC POWER DESIGN INSTITUTE Effective date: 20121120 |
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Effective date of registration: 20121120 Address after: 300010 Tianjin city Hebei District Wujing Road No. 39 Applicant after: Tianjin Electric Power Corp. Applicant after: Tianjin Electric Power Design Institute Applicant after: State Grid Corporation of China Address before: 300010 Tianjin city Hebei District Wujing Road No. 39 Applicant before: Tianjin Electric Power Corp. Applicant before: Tianjin Electric Power Design Institute |
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Application publication date: 20120704 |