CN208689142U - It is a kind of for testing the intelligent load system of generator tri-phase unbalance factor - Google Patents
It is a kind of for testing the intelligent load system of generator tri-phase unbalance factor Download PDFInfo
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- CN208689142U CN208689142U CN201821214573.4U CN201821214573U CN208689142U CN 208689142 U CN208689142 U CN 208689142U CN 201821214573 U CN201821214573 U CN 201821214573U CN 208689142 U CN208689142 U CN 208689142U
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- generator
- controller
- load system
- testing
- unbalance factor
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- Tests Of Circuit Breakers, Generators, And Electric Motors (AREA)
- Control Of Eletrric Generators (AREA)
Abstract
It is the utility model relates to three-phase electricity test macro field, in particular to a kind of for testing the intelligent load system of generator tri-phase unbalance factor.This is used to test the intelligent load system of generator tri-phase unbalance factor, increase the low voltage control unit for being equipped with controller in systems, controller completes the control function of host computer in load system itself, and load system is enabled efficiently to test the three-phase imbalance load capacity of generator.Also, by test generator three-phase imbalance load capacity, the operating condition of generator operation is specified, the Supply Security of house generator supply network is improved, improves the reliability of generator.
Description
Technical field
The utility model relates to three-phase electricity test macro fields, in particular to a kind of for testing generator three-phase imbalance
The intelligent load system of degree.
Background technique
When using house generator to residential electricity consumption or Factory Electricity Supply, due to powering generally using a wherein Xiang Zuowei
Firewire will lead to generator institute bringing onto load three-phase imbalance in this way, and then lead to generator three-phase current unbalance, it is this not
Balance will lead to neutral-point displacement, and neutral current is excessive, increase distribution transformer temperature, or even to burn winding etc. a series of asks
Topic.So needing to carry out three-phase imbalance load capacity test before generator factory again.Current test mode is all power generation
Machine is connected to load system, then load system is connected to the host computer of test, and test is directly issued by host computer and instructs and receives
Collect test data, the time cycle so then tested is longer.
Summary of the invention
The utility model provides a kind of hardware circuit of intelligent load system, it is therefore an objective to: personnel to be programmed are to load system
In processor programming after, load system can efficiently test the three-phase imbalance load capacity of generator.
The purpose of this utility model is achieved through the following technical solutions:
It provides a kind of for testing the intelligent load system of generator tri-phase unbalance factor including low voltage control unit, dynamic
Power unit and load unit；The low voltage control unit includes controller, the voltage and or current parameter for Acquisition Circuit
Electrical parameter acquisition device and intermediate relay for circuit on-off where controlling；The power unit includes being electrically connected respectively to
The generator interface of controller and load unit；On the one hand the electrical parameter acquisition device is electrically connected controller, on the other hand connect
Between the generator interface and load unit；The intermediate relay connect the controller and the load unit it
Between；The controller is also electrically connected with host computer.
Wherein, the load unit includes metallic resistance array and blower.
Wherein, connecing the intermediate relay between the metallic resistance array and controller is resistance control contactor, should
Resistance control contactor is electrically connected electrical parameter acquisition device also to make the electrical parameter acquisition device be electrically connected controller.
Wherein, the metallic resistance array equipped with multiple parallel connections.
Wherein, smoke detector and/or temperature sensor are also electrically connected between the metallic resistance array and controller.
Wherein, connecing the intermediate relay between the blower and controller is air-blower control contactor.
Wherein, the blower is equipped with blast switch, and the low voltage control unit further includes wind pressure detector, is connected electrically in
Between controller and blast switch.
Wherein, main fuse is concatenated between the generator interface and the load unit, in main fuse and generator
It is equipped with confluence copper bar close to the position of main fuse between interface, is connect between main fuse and generator interface close to generator
The position of mouth is equipped with copper busbar.
Wherein, the low voltage control unit further includes the alarm lamp and/or buzzer for being electrically connected to controller.
Wherein, the controller is also electrically connected with the touch screen for receiving touch command.The utility model has the advantages that this is used to test
The intelligent load system of generator tri-phase unbalance factor,
Personnel to be programmed in system processor programming after, system be able to achieve it is following the utility model has the advantages that
This is used to test the intelligent load system of generator tri-phase unbalance factor, increases be equipped with the low of controller in systems
Control unit is pressed, controller completes the control function of host computer in load system itself, enables load system high
The three-phase imbalance load capacity of effect test generator.Also, it by test generator three-phase imbalance load capacity, clearly sends out
The operating condition of motor operation improves the Supply Security of house generator supply network, improves the reliability of generator.
Detailed description of the invention
Fig. 1 is the structural schematic diagram for being used to test the intelligent load system of generator tri-phase unbalance factor.
Specific embodiment
The intelligent load system for being used to test generator tri-phase unbalance factor is further retouched with the following Examples
It states.
As shown in Figure 1, the intelligent load system for being used to test generator tri-phase unbalance factor include low voltage control unit,
Power unit and load unit.Low voltage control unit include controller, for Acquisition Circuit voltage and or current parameter electricity
Parameter acquisition devices and intermediate relay for circuit on-off where controlling.The on the one hand electrical connection control of electrical parameter acquisition device
On the other hand device connects between generator interface and load unit.Power unit includes being electrically connected respectively to controller and load
The generator interface of unit.Controller also passes through RS483 interface and is electrically connected respectively to host computer and touch screen.By host computer and
The operation of touch screen can be sent to controller to be instructed and obtains, shows the information uploaded from controller.
The size for inputting threephase load respectively on host computer or touch screen conveys data to load system by communication
Controller, the controller of load system is by the load of intermediate relay control access, to carry out three-phase imbalance experiment
Gear load, the auxiliary contact of intermediate relay can feed back the controller of major loop on off operating mode to load system, thus real
Now to the monitoring of the generator gear of access.This is used to test the intelligent load system of generator tri-phase unbalance factor, in system
Middle to increase the low voltage control unit for being equipped with controller, controller allows the control function of host computer complete in load system itself
At enabling load system efficiently to test the three-phase imbalance load capacity of generator.Also, not by test generator three-phase
Load capacity is balanced, the operating condition of generator operation is specified, improves the Supply Security of house generator supply network, improves power generation
The reliability of machine.
Specifically, load unit includes the metallic resistance array of multiple parallel connections, resistance control contactor is as intermediate relay
Device connects between metallic resistance array and controller, which is electrically connected electrical parameter acquisition device also to make this
Electrical parameter acquisition device is electrically connected controller.Smoke detector and temperature are also electrically connected between metallic resistance array and controller
Sensor, the state in circuit where smoke detector, temperature sensor can monitor metallic resistance array, once reach preset police
Dharma part is that can trigger the alarm lamp for being electrically connected to controller and buzzer or emergent stopping load system, guarantees to supply
The safety and reliability of electric network.
Wherein, load unit further includes blower, and blower can play the role of as metallic resistance array.Connect in blower and
Intermediate relay between controller is air-blower control contactor, and controller can control connection and the pass of air-blower control contactor
Disconnected, the auxiliary contact of air-blower control contactor can feed back the turn-on/off state of air-blower control contactor to controller.Blower is set
There is blast switch, low voltage control unit further includes wind pressure detector, is connected electrically between controller and blast switch.Every typhoon
The blast switch of machine air outlet can feed back air quantity state to controller, to realize the control and monitoring to fan operation state.
Specifically, concatenate main fuse between generator interface and resistance unit, main fuse and generator interface it
Between close to main fuse position be equipped with confluence copper bar, between main fuse and generator interface close to generator interface position
Copper busbar is installed.
Claims (10)
1. a kind of for testing the intelligent load system of generator tri-phase unbalance factor, which is characterized in that including low voltage control list
Member, power unit and load unit；The low voltage control unit includes controller, the voltage and or current for Acquisition Circuit
The electrical parameter acquisition device of parameter and intermediate relay for circuit on-off where controlling；The power unit includes electric respectively
It is connected to the generator interface of controller and load unit；On the one hand the electrical parameter acquisition device is electrically connected controller, another
Aspect connects between the generator interface and load unit；The intermediate relay connects single in the controller and the load
Between member；The controller is also electrically connected with host computer.
2. according to claim 1 a kind of for testing the intelligent load system of generator tri-phase unbalance factor, feature
It is, the load unit includes metallic resistance array and blower.
3. according to claim 2 a kind of for testing the intelligent load system of generator tri-phase unbalance factor, feature
It is, connecing the intermediate relay between the metallic resistance array and controller is resistance control contactor, resistance control
Contactor is electrically connected electrical parameter acquisition device also to make the electrical parameter acquisition device be electrically connected controller.
4. according to claim 2 a kind of for testing the intelligent load system of generator tri-phase unbalance factor, feature
It is, the metallic resistance array equipped with multiple parallel connections.
5. according to claim 2 a kind of for testing the intelligent load system of generator tri-phase unbalance factor, feature
It is, is also electrically connected with smoke detector and/or temperature sensor between the metallic resistance array and controller.
6. according to claim 2 a kind of for testing the intelligent load system of generator tri-phase unbalance factor, feature
It is, connecing the intermediate relay between the blower and controller is air-blower control contactor.
7. according to claim 2 a kind of for testing the intelligent load system of generator tri-phase unbalance factor, feature
Be, the blower be equipped with blast switch, the low voltage control unit further includes wind pressure detector, be connected electrically in controller and
Between blast switch.
8. according to claim 1 a kind of for testing the intelligent load system of generator tri-phase unbalance factor, feature
It is, main fuse is concatenated between the generator interface and the load unit, between main fuse and generator interface
It is equipped with confluence copper bar close to the position of main fuse, close to the position of generator interface between main fuse and generator interface
Equipped with copper busbar.
9. according to claim 1 a kind of for testing the intelligent load system of generator tri-phase unbalance factor, feature
It is, the low voltage control unit further includes the alarm lamp and/or buzzer for being electrically connected to controller.
10. according to claim 1 a kind of for testing the intelligent load system of generator tri-phase unbalance factor, feature
It is, the controller is also electrically connected with the touch screen for receiving touch command.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821214573.4U CN208689142U (en) | 2018-07-28 | 2018-07-28 | It is a kind of for testing the intelligent load system of generator tri-phase unbalance factor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821214573.4U CN208689142U (en) | 2018-07-28 | 2018-07-28 | It is a kind of for testing the intelligent load system of generator tri-phase unbalance factor |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208689142U true CN208689142U (en) | 2019-04-02 |
Family
ID=65882702
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821214573.4U Active CN208689142U (en) | 2018-07-28 | 2018-07-28 | It is a kind of for testing the intelligent load system of generator tri-phase unbalance factor |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN208689142U (en) |
-
2018
- 2018-07-28 CN CN201821214573.4U patent/CN208689142U/en active Active
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