CN204087646U - A kind of for distribution experimental system - Google Patents
A kind of for distribution experimental system Download PDFInfo
- Publication number
- CN204087646U CN204087646U CN201420570539.6U CN201420570539U CN204087646U CN 204087646 U CN204087646 U CN 204087646U CN 201420570539 U CN201420570539 U CN 201420570539U CN 204087646 U CN204087646 U CN 204087646U
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- distribution
- experimental system
- cabinet
- tension switch
- transformer
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Abstract
The utility model discloses a kind of for distribution experimental system, comprise Surveillance center, the described distribution experimental system that supplies also comprises high-tension switch cabinet and low-voltage distribution cabinet, described high-tension switch cabinet comprises at least one transformer station, at least one transformer, described transformer station is connected by bus with transformer, described low-voltage distribution cabinet comprises distribution system and load box, and described transformer is all connected with distribution system with load box, and described Surveillance center is connected with bus, distribution system, load box.The technical solution of the utility model can provide can reduce the operation conditions of high and low pressure power supply-distribution system, simultaneously reliability and high safety effectively, really.
Description
Technical field
The utility model relates to a kind of electrical experiments system, is specifically related to a kind of for distribution experimental system.
Background technology
Existing experimental technique, by setting up real high and low electric distribution facility, shows the method for operation of power supply-distribution system really.By using real high and low electric distribution equipment to set up teaching experiment system, have that Keep Clear-High Voltage, motor element and equipment life are low, and equipment is huge, and the defect such as consume energy huge.
Traditional power supply-distribution system adopts antivacuum isolating switch simultaneously, and transmission link adopts the affected equipment mechanism of electric-mechanic control system, and operating mechanism link does not install mechanical latching and latching electromagnet, and valve drive mechanism does not have mounting electrical blocking device yet.The external insulation of tradition power supply-distribution system is easily subject to the impact of environment, and operating mechanism transmission link is complicated, component of machine is various, power consumption is large, reliability is not high.Traditional power supply-distribution system grounding switch lacks short circuit making capability, has certain danger to operating personnel.Circuit breaker cart in traditional power supply-distribution system likely causes band point static contact exposed when removing position, there is potential safety hazard to the person and equipment.
Utility model content
The purpose of this utility model is to provide a kind of energy can reduce the power supply-distribution system of the operation conditions of high and low pressure power supply-distribution system, reliability and high safety effectively, really.
In order to realize above object, the utility model adopts following technical scheme: a kind of for distribution experimental system, comprise Surveillance center, the described distribution experimental system that supplies also comprises high-tension switch cabinet and low-voltage distribution cabinet, described high-tension switch cabinet comprises at least one transformer station, at least one transformer, described transformer station is connected by bus with transformer, described low-voltage distribution cabinet comprises distribution system and load box, described transformer is all connected with distribution system with load box, and described Surveillance center is connected with transformer station, transformer, bus, distribution system, load box.
Transformer station is 0 ~ 50kv.
Bus is 0 ~ 20kv.
Load box comprises load blocks, and the switch-linear hybrid of described load blocks is at the operation interface being positioned at load box top.Be convenient to service load module intuitively.
Isolating switch in high-tension switch cabinet is vacuum circuit breaker.Avoid the impact of environment External Insulation.
The spring operating mechanism of high-tension switch cabinet is Modular spring operating mechanism.Component of machine is few, transmission link is simplified, reduces power consumption, improve Mechanical Reliability.
The grounding switch of high-tension switch cabinet is rapid switching-on mechanism.There is short circuit making capability.
The operating mechanism connecting rod of high-tension switch cabinet is provided with mechanical latching.Can prevent from pushing circuit breaker cart or mistakenly entering charged chamber when grounding switch is in "on" position.
The grounding switch of high-tension switch cabinet adds latching electromagnet.In order to be grounded the electrical interlocks between switch and non-cabinet.
The valve drive mechanism of high-tension switch cabinet adds electric locking device.Preventing circuit breaker cart when removing position because maloperation causes charged static contact exposed, guaranteeing the person and device security.
The utility model compares to existing for distribution experimental system, the key distinction is the ruuning situation using low-voltage equipment simulated high-pressure and low-pressure system, the key point of its technology is select high and low electric distribution equipment, the intuitively background monitoring system of suitable simulation and facilitate adjustable fictitious load, can reduce the operation conditions of high and low pressure power supply-distribution system effectively, really.Greatly reduce for the Danger Electric shock risk coefficient in distribution teaching, shorten the building time for distribution teaching experiment system greatly, significantly reduce for the floor area of distribution teaching experiment system and the load-bearing pressure to buildings, effectively raise the efficiency for distribution teaching, and significantly reduce colleges and universities and scientific research institutions and build financial cost for distribution experimental system and time cost.
Accompanying drawing explanation
Fig. 1 is the structural representation of a kind of embodiment that the utility model provides.
Embodiment
Embodiment
As shown in Figure 1, the one that the present embodiment provides is for distribution experimental system, comprise Surveillance center, the described distribution experimental system that supplies also comprises high-tension switch cabinet and low-voltage distribution cabinet, described high-tension switch cabinet comprises at least one transformer station, at least one transformer, described transformer station is connected by bus with transformer, described low-voltage distribution cabinet comprises distribution system and load box, described transformer is all connected with distribution system with load box, and described Surveillance center is connected with transformer station, transformer, bus, distribution system, load box.
Transformer station is 35kv.
Bus is 10kv.
Load box comprises load blocks, and the switch-linear hybrid of described load blocks is at the operation interface being positioned at load box top.
Isolating switch in high-tension switch cabinet is vacuum circuit breaker.
The spring operating mechanism of high-tension switch cabinet is Modular spring operating mechanism.
The grounding switch of high-tension switch cabinet is rapid switching-on mechanism.
The operating mechanism connecting rod of high-tension switch cabinet is provided with mechanical latching.
The grounding switch of high-tension switch cabinet adds latching electromagnet.
The valve drive mechanism of high-tension switch cabinet adds electric locking device.
Key problem in technology point of the present utility model is select high and low electric distribution equipment, the intuitively background monitoring system of suitable simulation and facilitate adjustable fictitious load.
Wherein, simulation high and low electric distribution equipment is formed by actual high and low electric distribution scrap build; these transformations comprise: increase more safety practices; measure and show the parameters of electric power (voltage, electric current, frequency, power, phase place, electric energy) of links; use instead can telemechanical operation switch; the operability (local operation and Long-distance Control) of increase equipment, increases the mechanism such as emergency stop and disorderly closedown, and is installed to by equipment and has in the screen of face glass.
Background monitoring intuitively, background monitoring interface is directly showed by schematic form, each node measured, controlled switch, relevant Key Circuit, all indicates at the schematic diagram corresponding site at background monitoring interface, very intuitively, these diagram switches are associated with actual switch simultaneously, directly on backstage, can carry out Long-distance Control to on-the-spot ruuning situation.
Facilitate adjustable fictitious load, integrated to actual loading, equipment is arranged in a moveable load box, case includes perception, capacitive, resistive different load blocks, the operation interface at load box top all received by switch by each group load blocks, can by the switch of operation interface, the switching heterogeneity of intuitive and convenient and the load of different resistance value.
Need according to Campus planning and power industry modernization construction; implement undergraduate course, two's training plan according to undergraduate course (training) catalogue of disciplines and specialties that State Education Commission promulgates, run actual conditions in conjunction with electric power system power distribution; build power supply-distribution system laboratory; both meet the experiment of the courses such as the Automation of Electric Systems of electric specialty, relay protection, distribution automation, relay protection, Factory Electricity Supply, also can take into account scientific research and testing simultaneously.The technical solution of the utility model possesses following characteristics:
One, electrical primary part
1) primary equipment high-pressure side adopts KYN28A-12 type indoor high-voltage metal armoring draw out switchgear, and low-pressure side adopts GGD type AC low voltage power switch box.
2) system wiring adopts Gratz connection (interior bridge).35kV substation feeder, as unit transformer high voltage side lead-in, is controlled by the indoor armored cabinet of 10kV.Unit transformer low-pressure side feeder line is as this switchgear building inlet wire.Outgoing uses as the outlet such as illuminator, load motor.Switchgear building inlet wire adopts frame-type isolating switch, and feeder line adopts the breaker of plastic casing of band protector.
Electric main wiring diagram is as follows:
Two, technical characteristics:
1. high-tension switch cabinet
The complete power distribution equipment of KYN28A-12 type indoor high-voltage metal armoring draw out switchgear system 3 ~ 12kV three-phase alternating current 50Hz single busbar and sectionalized single busbar connection system; can be motor, transformer, capacitor and most of power distribution circuit in generating plant, electrical network and public utility transformer station and the function of reliable centralized control and protection be provided, be specially adapted to following place:
1) generating plant and system transformer station
2) petrochemical industry, metallurgy, mine and enterprises and institutions
3) urban infrastructure construction and urban skyscraper
Principal feature
1) adopt novel long-life vacuum circuit breaker, avoid the impact of environment External Insulation, adopt Modular spring operating mechanism simultaneously, component of machine is few, transmission link is simplified, reduces energy consumption, improve Mechanical Reliability;
2) grounding switch adopts rapid switching-on mechanism, has short circuit making capability, operating mechanism link is provided with mechanical latching, can prevent from pushing circuit breaker cart or mistakenly entering charged chamber when grounding switch is in "on" position.Grounding switch also can install latching electromagnet additional, in order to be grounded the electric interlock between switch and non-cabinet;
3) valve drive mechanism can install electric locking device additional, to prevent circuit breaker cart when removing position because maloperation causes charged static contact exposed, guarantees the person and device security;
4) preferentially select and permitted the microcomputer protective relay device that continues, realize the perfect adaptation of major loop and control loop, also can the intellectuality that realizes switchgear of other model protective device of adapted run;
5) the various function counter of switchgear is complete in specifications, meets the demand of each embody rule occasion, has the design that 650mm, 800mm and 1000mm cabinet is wide.
2. low-voltage distribution cabinet
GGD type AC low voltage power switch box is the requirement according to relevant industrial department, vast power consumer and designing unit, in line with safety, economy, rationally, the novel AC low voltage power switch box of principle design reliably.Product has disjunction, and making capacity is high, and dynamic and thermal stability performance is good, and electrical arrangement is flexible, combined and instant, and serial applicability is strong, novel structure, protection class high.
Principal feature
1) cabinet of GGD type AC low voltage power switch box adopts the form of general cabinet, and the local welding of framework 8MF cold-rolled forming section assembles, and frame parts and special-purpose assorted part, by the supporting supply of material of shaped steel fixed point factory, ensure that the quality of cabinet.The parts of general cabinet press module principle design, and have the mounting hole of 20 moulds, and UNIVERSAL COEFFICIENT is high, and factory can be made to realize pre-manufactured.Namely shorten manufacturing cycle, also improve work efficiency.
2) GGD cabinet fully takes into account heat dissipation problem in cabinet operation.All have the heat radiation slotted eye of varying number at the upper and lower two ends of cabinet, when after electric elements heating in cabinet, heat rises, discharged by upper end slotted eye, and cold wind constantly supplements into cabinet by lower end slotted eye, make the cabinet of sealing form a natural ventilation channel from bottom to top, reach the object of heat radiation.
3) GGD cabinet is according to the requirement of Modern Industry Products shape-designing, adopts the cut size of each several part of the method design cabinet profile of golden section, makes cabinet elegant in appearance, undergo a radical change.
4) cabinet door rotary shaft hinges is connected with framework, installation, convenient disassembly.The flanging place of door is all embedded with a mountain shape bar, and the filler rod at closing time between door and framework has certain compression travel, can prevent door and cabinet direct collision.Also improve the degree of protection of door.
5) the instrument door multiply annealed copper wire that electric elements are housed is connected with framework, and the fabricated section in cabinet is connected with milled screw with between framework, the ground protection electrical equipment that whole cabinet framework is complete.
6) baking finish of polyester kob typ selected by cabinet finish paint.Strong adhesion.Texture is good.The sub-photochromic tune of whole cabinet star, avoids glare effect, creates comfortable visual environment to operator on duty.
7) top cover of cabinet is dismountable when needed, so that the assembling of on-the-spot main bus-bar and adjustment.Suspension ring are equipped with in the corner on cabinet top, for lifting and shipment.
8) degree of protection of cabinet is IP30.User also can select between IP20-IP40 according to the requirement of environment for use
GGD type AC low voltage power switch box meets IEC439 " low-voltage complete switch equipment and opertaing device ".The standards such as GB7251 " low-voltage complete switch equipment ".
3. Microcomputer Protection
Microcomputer unit transformer protection supervisory equipment is mainly applicable to the protection that the unit transformer in 3 ~ 10kV electric pressure small grounding current system or small resistance grounding system, change used or ground connection become.
Device adopts advanced visual logic configuration (PLC) method, PC carries out visual Logical Configuration, by function element corresponding in calling function component library, realizes various relay protective scheme; Various function element in its function element storehouse are all through repeatedly testing, safe and reliable.
4. supervisory system
Principal feature:
1) layered distribution type structure.
Supervisory system is divided into two-layer: station level and wall.The equipment at each interval is relatively independent, carries out interconnected by means of only station communication net and station level.
2) supervisory system can need flexible configuration according to user.
3) each applying unit of supervisory system is according to modular design, can organize and can divide.
4) IEC60870 (103 is adopted, 104)/61850 international standard communication protocols, various communication interfaces is provided, as communication interfaces such as Ethernet, RS232/485 serial ports, Lonworks, other producer's products of the above-mentioned standard of all supports can be linked in electric substation automation system easily, other non-standard stipulations, by amendment gateway program flexible access.
5) supervisory system can adopt optical fiber, the multiple communication media such as cable, and networking mode is flexible, both can form fiber optical Ethernet of self-recovery loop, and also can form optical fiber Star network, or composition bus network.
6) supervisory system both back-level server two-node cluster hot backup also support single net and two net configuration, under two net pattern, support the hot standby of Dual-Ethernet and network shunt, the demand of high-end user can be met.
7) supervisory system has good opening.
8) definition of supervisory system database is for the feature of the automation of transformation substations, sets up template base according to interval, device etc., and engineering staff and operation maintenance personnel can derive actual object by template easily.Greatly simplify and facilitate engineering to make and safeguard.
9) supervisory system provide powerful, report-building tool nimbly and freely.
10) can external computing machine and projector, to realize Computer Simulation and analog electrical Force system imitation screen.
11) reflect the overall process of the production of " multimachine power network " electric energy, transmission, distribution and use, there is information-based and digitized feature, realize the dispatching automation of electric system.
12) " four is distant " function of electric system is realized.
13) failure wave-recording function.
Claims (10)
1. one kind supplies distribution experimental system, comprise Surveillance center, it is characterized in that: the described distribution experimental system that supplies also comprises high-tension switch cabinet and low-voltage distribution cabinet, described high-tension switch cabinet comprises at least one transformer station, at least one transformer, described transformer station is connected by bus with transformer, described low-voltage distribution cabinet comprises distribution system and load box, and described transformer is all connected with distribution system with load box, and described Surveillance center is connected with bus, distribution system, load box.
2. according to claim 1 for distribution experimental system, it is characterized in that: described transformer station is 0 ~ 50kv.
3. according to claim 2 for distribution experimental system, it is characterized in that: described bus is 0 ~ 20kv.
4. according to claim 3 for distribution experimental system, it is characterized in that: described load box comprises load blocks, the switch-linear hybrid of described load blocks is at the operation interface being positioned at load box top.
5. according to claim 4 for distribution experimental system, it is characterized in that: the isolating switch in described high-tension switch cabinet is vacuum circuit breaker.
6. according to claim 5 for distribution experimental system, it is characterized in that, the spring operating mechanism of described high-tension switch cabinet is Modular spring operating mechanism.
7. according to claim 6 for distribution experimental system, it is characterized in that, the grounding switch of described high-tension switch cabinet is rapid switching-on mechanism.
8. according to claim 7 for distribution experimental system, it is characterized in that, the operating mechanism connecting rod of described high-tension switch cabinet is provided with mechanical latching.
9. according to claim 8 for distribution experimental system, it is characterized in that, the grounding switch of described high-tension switch cabinet adds latching electromagnet.
10. according to claim 9 for distribution experimental system, it is characterized in that, the valve drive mechanism of described high-tension switch cabinet adds electric locking device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420570539.6U CN204087646U (en) | 2014-09-29 | 2014-09-29 | A kind of for distribution experimental system |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420570539.6U CN204087646U (en) | 2014-09-29 | 2014-09-29 | A kind of for distribution experimental system |
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| Publication Number | Publication Date |
|---|---|
| CN204087646U true CN204087646U (en) | 2015-01-07 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201420570539.6U Expired - Fee Related CN204087646U (en) | 2014-09-29 | 2014-09-29 | A kind of for distribution experimental system |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057005A (en) * | 2016-05-27 | 2016-10-26 | 山东建筑大学 | Building power supply and distribution teaching technology simulation training system |
| CN109061464A (en) * | 2018-05-08 | 2018-12-21 | 中广核研究院有限公司 | A kind of the test locked loop and method of nuclear power station diesel emergency generating set |
| CN110415590A (en) * | 2019-08-12 | 2019-11-05 | 西安亚成电子设备科技有限公司 | A kind of intelligence power supply and distribution training platform and its control method |
-
2014
- 2014-09-29 CN CN201420570539.6U patent/CN204087646U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106057005A (en) * | 2016-05-27 | 2016-10-26 | 山东建筑大学 | Building power supply and distribution teaching technology simulation training system |
| CN109061464A (en) * | 2018-05-08 | 2018-12-21 | 中广核研究院有限公司 | A kind of the test locked loop and method of nuclear power station diesel emergency generating set |
| CN110415590A (en) * | 2019-08-12 | 2019-11-05 | 西安亚成电子设备科技有限公司 | A kind of intelligence power supply and distribution training platform and its control method |
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Legal Events
| 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: 20150107 Termination date: 20200929 |
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| CF01 | Termination of patent right due to non-payment of annual fee |