CN204884342U - Real standard examination device of intelligent power distribution - Google Patents

Abstract

The utility model discloses an intelligent power distribution practical training assessment device. The technical solution adopted includes low-voltage incoming line metering cabinet, low-voltage capacitor outgoing line cabinet, low-voltage load cabinet and power distribution monitoring system; the low-voltage incoming line metering cabinet, low-voltage capacitor outgoing line cabinet, and low-voltage load cabinet are connected through copper bars and connectors , and connected with the power distribution monitoring system through communication; the upper part of the low-voltage incoming line metering cabinet is provided with an instrument area, a circuit breaker control area, and an operating handle area, and the middle part is provided with an electric energy metering area, and a low-voltage circuit breaker and a current transformer are installed inside; The upper part of the low-voltage capacitor outlet cabinet is provided with an instrument area, a reactive power compensation area, and an operating handle area, and the lower part is provided with an indicator area. The upper part of the low-voltage load cabinet is provided with an instrument area, the middle and upper part is provided with a microcomputer protection device and a generator excitation voltage adjustment area, the middle part is provided with a lighting outlet area, and the middle and lower part is provided with a power outlet area. The power distribution monitoring system is used for remote measurement, remote signaling and remote control.

Description

An intelligent power distribution training and assessment device

technical field

The utility model relates to a practical training device for teaching, in particular to an intelligent power distribution practical training assessment device.

Background technique

At present, there are two main forms of teaching and training equipment for power distribution on the market: one is to directly move the complete set of low-voltage equipment from the industrial site; the other is to install real low-voltage components on the simulation cabinet or mesh board. The disadvantages of the former are high cost, large floor space and low degree of automation. The disadvantage of the latter is that the appearance is quite different from the field engineering application, the system is poorly understood, and the comprehensiveness is also poor.

Utility model content

The technical problem to be solved by the utility model is to overcome the shortcomings existing in the existing products, and provide an intelligent power distribution training system with high authenticity, strong operability, high safety performance, high degree of automation, strong comprehensiveness and low cost. Examination device.

In order to solve the above problems, the technical solution adopted by the utility model includes a low-voltage incoming line metering cabinet, a low-voltage capacitor outgoing line cabinet, a low-voltage load cabinet and a power distribution monitoring system;

The low-voltage incoming line metering cabinet, the low-voltage capacitor outgoing line cabinet, and the low-voltage load cabinet are connected through copper bars and connectors, and are connected with the power distribution monitoring system through communication;

The upper part of the low-voltage incoming line metering cabinet is provided with an instrument area, a circuit breaker control area, and an operating handle area;

The upper part of the low-voltage capacitor outlet cabinet is provided with an instrument area, a reactive power compensation area, and an operating handle area, and the lower part is provided with an indicator area.

The upper part of the low-voltage load cabinet is provided with an instrument area, the middle and upper part is provided with a microcomputer protection device and a generator excitation voltage adjustment area, the middle part is provided with a lighting outlet area, and the middle and lower part is provided with a power outlet area.

The power distribution monitoring system is used for remote measurement, remote signaling and remote control.

The above-mentioned intelligent power distribution training and assessment device is characterized in that: the instrument area on the upper part of the low-voltage incoming line metering cabinet contains intelligent electric power meters, and the middle part of the electric energy metering area contains electric energy meters and junction boxes.

The intelligent power distribution training and assessment device is characterized in that: the low-voltage incoming line metering cabinet is equipped with a current transformer, a reactor, a thermal relay and a capacitor.

The feature of the intelligent power distribution training and assessment device is that the reactive power compensation area includes a reactive power compensation controller and a switching switch.

The above-mentioned intelligent power distribution training and assessment device is characterized in that: the low-voltage incoming line metering cabinet is equipped with an intelligent programmable controller and a motor generator set.

The feature of the intelligent power distribution training and assessment device is that the power distribution monitoring system includes a monitoring computer.

The beneficial effects of the utility model are:

(1) Equipment integrated design, relatively low cost, comprehensive functions;

(2) The structure of real low-voltage complete equipment is adopted, which is close to the scene and is conducive to teaching;

(3) It reflects the characteristics of intelligent control realized by unattended low-voltage power distribution at present.

Description of drawings

The present invention will be further described in detail below in conjunction with the accompanying drawings and specific embodiments.

Fig. 1 is a schematic structural view of a low-voltage incoming line metering cabinet of the present invention;

Fig. 2 is a schematic structural diagram of a low-voltage capacitor outlet cabinet of the present invention;

Fig. 3 is a schematic structural view of a low-voltage load cabinet of the present invention;

Fig. 4 is a schematic diagram of the structure of the communication network of the present invention.

Detailed ways

As shown in Fig. 1 to Fig. 3, the intelligent power distribution training and assessment device of the present utility model. It is composed of low-voltage incoming line metering cabinet a, low-voltage capacitor outgoing line cabinet b and low-voltage load cabinet c. The above-mentioned parts are connected by copper bars and connectors. The upper part of the low-voltage incoming line metering cabinet a is equipped with an instrument area 1, a circuit breaker control area 2, and an operating handle area 3, and the middle part is equipped with an electric energy metering area 7, and a low-voltage circuit breaker and a current transformer are installed inside. The instrument area on the upper part of the low-voltage incoming line metering cabinet 1 contains an intelligent instrument 4, which can communicate. The central electric energy metering area 7 includes an electric energy meter 5 and a junction box 6 .

The upper part of the low-voltage capacitor outlet cabinet b is provided with an instrument area 8, a reactive power compensation area 10, an operating handle area 12, and an indicator area 13 at the lower part. A current transformer, a reactor, a thermal relay and a capacitor are arranged inside the low-voltage capacitor outlet cabinet. The reactive power compensation area 10 includes a reactive power compensation controller 9 and a switching switch 11 .

The upper part of the low-voltage load cabinet c is provided with an instrument area 14, the upper middle part is provided with a microcomputer protection device 15 and the generator excitation voltage adjustment area 16, the middle part is provided with a lighting outlet area 17, and the middle part is provided with a power outlet area 18. The low-voltage load cabinet is equipped with an intelligent programmable controller (PLC) and a motor generator set.

As shown in Figure 4, the utility model also includes a monitoring computer. The intelligent programmable controller (PLC), intelligent instrument, microcomputer motor protection device, reactive power compensation controller and monitoring computer are connected by bus network.

Work process of the present utility model is:

After power on, the reactive power compensation controller will automatically switch capacitors according to the monitored power factor of the system, and will not stop until the real-time monitored power factor reaches the set parameters. When the motor fails, the supporting microcomputer motor protection device will Send a trip signal to cut off the fault circuit. At the same time, the "three remote" functions of telemetry, remote control and remote signaling can be realized through the monitoring computer. The operating power parameters of the smart meter can be sent to the monitoring computer and displayed, such as: three-phase current, three-phase voltage, active power and reactive power, etc. The running state of each switch can be sent to the monitoring computer and displayed, such as displaying the opening and closing state of a certain switch; the state of the circuit breaker can be changed through the monitoring computer, such as turning a certain switch from close to open.

The above is only an embodiment of the utility model, and is not intended to limit the utility model. Any modifications, equivalent replacements and improvements made within the spirit and principles of the utility model are included in the utility model. within the scope of protection.

Claims (8)

1. an intelligent power distribution practice training examination device, is characterized in that: comprise low pressure inlet wire metering cabinet (a), low-voltage capacitance outgoing line cabinet (b), low-voltage load cabinet (c) and distributing monitoring system;

Described low pressure inlet wire metering cabinet (a), low-voltage capacitance outgoing line cabinet (b), low-voltage load cabinet (c) are connected with connector by copper bar, and are connected by communication mode with distributing monitoring system;

Described low pressure inlet wire metering cabinet (a) top arranges gauge field (1), breaker control district (2), operating grip district (3), and middle part arranges electric energy metrical district (7), and inside arranges low-voltage circuit breaker, current transformer;

Described low-voltage capacitance outgoing line cabinet (b) top arranges gauge field (8), reactive-load compensation district (10), operating grip district (12), bottom arrange indicator lamp regions (13).

2. intelligent power distribution practice training examination device according to claim 1; it is characterized in that: described low-voltage load cabinet (c) top arranges gauge field (14), middle and upper part arranges microcomputer protecting device (15) and generator excitation voltage adjustment district (16), middle part arrange illumination cable connecting area (17), middle and lower part arranges power cable connecting area (18).

3. intelligent power distribution practice training examination device according to claim 1, is characterized in that: described distributing monitoring system is used for remote measurement, Remote control.

4. intelligent power distribution practice training examination device according to claim 1, is characterized in that: the gauge field on described low pressure inlet wire metering cabinet (a) top is containing intelligent power instrument (4), and electric energy metrical district, middle part is containing electric energy meter (5) and terminal box (6).

5. intelligent power distribution practice training examination device according to claim 1, is characterized in that: described low pressure inlet wire metering cabinet (a) inside is provided with current transformer, reactor, electrothermal relay and capacitor.

6. intelligent power distribution practice training examination device according to claim 1, is characterized in that: described reactive-load compensation district (10) comprises idle compensating control (9) and fling-cut switch (11).

7. intelligent power distribution practice training examination device according to claim 1, is characterized in that: be provided with Intelligent programmable controller and motor generator group in described low pressure inlet wire metering cabinet (a).

8. intelligent power distribution practice training examination device according to claim 1, is characterized in that: described distributing monitoring system comprises supervisory control comuter.