The simulation demo device that is used for training remote load controlling function
Technical field
The utility model relates to the simulation demo device that a cover is used for training remote load controlling function, and the power load that belongs to a kind of electric system is controlled the simulation demo technical field.
Background technology
At present, because of power supply and demand imbalance or the overstable limit of grid equipment, power supply enterprise carries out ordered electric usually, namely controls customer charge by the power information system remote.But due to during ordered electric in recent years, some electricians of enterprise method of operating after negative control tripping operation is improper causes frequent jumpings electricity, increase economic loss, so reinforcement related personnel's load controlling function training seems particularly important.
The utility model content
The purpose of this utility model is to overcome the deficiency that prior art exists, and provide a kind of sound construction, connection and reasonable arrangement, easy to operate, can be used as power supply enterprise training and newly advance the simulation demo device that is used for training remote load controlling function that employee, the electrician of society of enterprises and institutions use when training negative control relevant knowledge.
The purpose of this utility model is to complete by following technical solution, and one is used for training the device that employee, the electrician of society of enterprises and institutions remote load control correlation function newly advance in power supply enterprise.
The purpose of this utility model is achieved by the following technical solution, and it mainly comprises housing, total power switch, electric power meter, simulation system electricity self power generation switch, simulation omnipotent breaker, simulation size load, and control loop;
Described total power switch is opened by the inlet wire sky and is consisted of, and the inlet wire sky is opened the combined connection box that first accesses electric power meter, and connects electric energy meter and negative control terminal, then is picked out series current table and shunt voltage table by combined connection box;
Primary power adopts three-phase four-wire system, major loop wherein first access by system electricity sky open, the self power generation sky is opened, T1 relay, T2 relay, system's electricity self power generation drop into the simulation system self power generation switch that stop button is combined into, access afterwards the K relay normally open contact, simulate major loop; Access afterwards that little load sky is opened, the sky of loading is greatly opened, access respectively little cargo light, large cargo light;
Described control loop divides two parts, a part is simulation system electricity self power generation switch, the control loop power supply is driven upper pile crown by system's electricity sky and is drawn, Access Control loop sky is opened, connect again by T1 relay auxiliary contact, T2 relay auxiliary contact, system's electricity self power generation and drop into stop button, and construction system electricity and self power generation conversion and locking mutually; Second portion is the simulation omnipotent breaker; the control loop power supply is drawn by pile crown on the K relay contact of system's electricity; the fuse protected sky of Access Control loop band is opened, then connects by J1 relay, J2 relay and the break-make combined floodgate opening button that can realize main circuit, consists of omnipotent breaker.
In described control loop second portion, have access to the J1 relay, wherein be connected to the tripping operation port of negative control terminal on the auxiliary contact of J1 relay, and consist of negative control tripping operation part; Dispose system's electricity self power generation pilot lamp of energy display switch position in described simulation system electricity self power generation switch.
The utility model is mainly that the various functions that power supply enterprise is measured (negative control) device, user's power distribution equipment, customer charge is aggregated in a negative control apparatus for demonstrating, by electric loop, action button is connected with contactor, the a whole set of low-voltage distribution equipment function of analog subscriber and the vicissitudinous load of tool, and automatically detect power load by the power information acquisition system and realize that long-range period control, expense control, remote control etc. stop the power transmission operating function, there is simulated field to recover power-cutting switch after automatic trip, realizes state's household electrical appliances and self power generation analog-converted by electric loop.
The beneficial effects of the utility model are: this covering device is realizing that the rear switching manipulation step of long-range period control and on-the-spot practical operation have quite high fidelity, and sound construction, connection and reasonable arrangement, easy to operate, can be used as that the employee is newly advanced in power supply enterprise training, the electrician of society of enterprises and institutions uses when training negative control relevant knowledge, the standard electrician of society of enterprises and institutions standard operation, avoid occuring unnecessary loss.
Description of drawings
Fig. 1 is Facad structure schematic diagram of the present utility model.
Fig. 2 is structure schematic diagram of the present utility model.
Fig. 3 is main circuit diagram of the present utility model.
Embodiment
Below in conjunction with accompanying drawing, the utility model is described in detail: as shown in Figure 1, 2, 3, the utility model mainly comprises housing, total power switch, electric power meter, simulation system electricity self power generation switch, simulation omnipotent breaker, simulation size load, and control loop;
Described total power switch is opened 1 by the inlet wire sky and is consisted of, and the inlet wire sky is opened 1 and first accessed the combined connection box 2 of electric power meter, and connects electric energy meter 3 and negative control terminal 4, then is picked out series current table 13 and shunt voltage table 14 by combined connection box 2;
Primary power adopts three-phase four-wire system, major loop wherein first access by system electricity sky open 5, the self power generation sky opens 6, T1 relay 7, T2 relay 8, system's electricity self power generation drop into the simulation system self power generation switch that stop button 18 is combined into, access afterwards K relay 11 normally opened contacts, simulate major loop; Access afterwards that little load sky opens 20, the sky of loading greatly opens 21, access respectively little cargo light 22, large cargo light 23;
Described control loop divides two parts, a part is simulation system electricity self power generation switch, the control loop power supply is driven on 5 pile crown by system electricity sky and is drawn, Access Control loop sky opens 12, connect again by T1 relay 7 auxiliary contact, T2 relay 8 auxiliary contact, system's electricity self power generation and drop into stop button 18, and construction system electricity and self power generation conversion and locking mutually; Second portion is the simulation omnipotent breaker; the control loop power supply is drawn by pile crown on K relay 11 contacts of system's electricity; the fuse protected sky of Access Control loop band opens 12; connect again by J1 relay 9, J2 relay 10 and the break-make combined floodgate opening button 16 that can realize main circuit, consist of omnipotent breaker.
In control loop second portion described in the utility model, have access to J1 relay 9, wherein be connected to the tripping operation port of negative control terminal 4 on the auxiliary contact of J1 relay 9, and consist of negative control tripping operation part; Dispose system's electricity self power generation pilot lamp 19 of energy display switch position in described simulation system electricity self power generation switch.
The utility model has carried out inner transformation and has formed take the GGD low-voltage metering cabinet as platform; Set up similar omnipotent breaker button, national system electricity and alternating current switching button above device, utilize A.C. contactor to substitute main power circuit, realize isolating switch and switch function by electric loop, reach the effect of simulated field; The on-the-spot negative control terminal of electric energy meter and electricity consumption is installed in the middle of device, is set up two groups of bulb analog subscriber power loads that power is different below device.
Embodiment: the utility model mainly comprises total power switch, electric power meter, simulation system electricity self power generation switch, simulation omnipotent breaker, simulation size load and control loop.
The inlet wire sky is driven 1 switch as the device general supply, and power supply access electric power meter part combined connection box 2 enters electric energy meter 3, negative control terminal 4, then gone out by combined connection box 2, and series connection enters reometer 13, shunt voltage table 14; Primary power adopts three-phase four-wire system, major loop first access by system electricity sky open 5, the self power generation sky opens 6, T1 relay 7, T2 relay 8, system's electricity self power generation drop into the simulation system self power generation switch that stop button 18 is combined into, and can be by system electricity self power generation pilot lamp 19 display switch positions, access afterwards K relay 11 normally opened contacts, simulate major loop; Access afterwards that little load sky opens 20, the sky of loading greatly opens 21, access respectively little cargo light 22, large cargo light 23.
Control loop divides two parts; a part is simulation system electricity self power generation switch function; the control loop power supply is driven on 5 pile crown by system electricity sky and is drawn; Access Control loop sky is opened 12(and is with fuse protected); connect again by T1 relay 7 auxiliary contact, T2 relay 8 auxiliary contact, system's electricity self power generation and drop into stop button 18; realize system's electricity and self power generation conversion and mutual blocking function; when being system's electricity input; self power generation can't drop into; must press stop button; drop into self power generation, vice versa again.Second portion is simulation omnipotent breaker function; the control loop power supply is drawn by pile crown on K relay 11 contacts of system's electricity; Access Control loop sky is opened 12(and is with fuse protected); connect again by J1 relay 9, J2 relay 10, combined floodgate opening button 16; realize the omnipotent breaker function, operation combined floodgate opening button 16 can realize the break-make of main circuit.
Negative control tripping operation part is drawn by negative control terminal 4 tripping operation ports, access J1 relay 9 auxiliary contact, then Access Control loop second portion.In actual the use, by the long-range input control scheme of power information acquisition system, after negative control terminal 4 reception programmes, the judgement load condition, after load surpassed limit value, negative control terminal 4 sent tripping operation information to the port that trips, and implemented tripping operation by simulation omnipotent breaker control loop, K disconnects relay 11, realizes the disconnecting circuit function.