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A dual-channel power supply system and its paralleling method

A power supply system, dual-channel technology, applied in parallel operation of DC power supplies, electrical components, circuit devices, etc., can solve problems such as inability to change flexibly, achieve wide application range, flexible conversion, and improve practicability

Active Publication Date: 2021-08-27
西安迅湃快速充电技术有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] The purpose of the present invention is to provide a dual-channel power supply system and its paralleling method to solve the problem in the prior art that the power supply system can only work in one working state and cannot be flexibly changed according to changes in load

Method used

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  • A dual-channel power supply system and its paralleling method
  • A dual-channel power supply system and its paralleling method
  • A dual-channel power supply system and its paralleling method

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Experimental program
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Embodiment 1

[0043] In this embodiment, a dual-channel power supply system is disclosed, which is used to provide a single load with the total parallel current of the dual-channel power supplies or provide two loads with two output currents of the dual-channel power supplies respectively.

[0044] The dual-channel power supply system provided in this embodiment is different from the existing dual-channel power supply system in that it can work in parallel mode or in the output state of a single power supply channel, instead of the current one in the prior art. After the parallel cable is connected, the power channel cannot work alone.

[0045]The dual-channel power supply system includes a power supply module, a control system, two power supply channels 4, a parallel selection module 10 and an output module;

[0046] In this embodiment, the control system, the parallel selection module and the power channel 4 are all connected together, and the parallel selection module 10, as a module tha...

Embodiment 2

[0083] In this embodiment, a specific composition structure of a dual-channel power supply system is disclosed, including a total power supply 1, an input power line 2, an output power line 3, an output positive pole 6, and an output negative pole 7. The output positive pole 6 and the output negative pole 7 Respectively connect the positive pole and the negative pole of the load, and also include a control host 8 and a communication line 9, and also include two power supply channels 4, two control modules 5 and a parallel selection module 10;

[0084] The total power supply 1 is respectively connected to the two power supply channels 4 through the input power supply line 2;

[0085] The power supply channel 4 is connected to the output positive pole 6 and the output negative pole 7 through the output power line 3;

[0086] The control host 8 is respectively connected to two control modules 5 through the communication line 9, and the control module 5 is also connected to the powe...

Embodiment 3

[0115] In this embodiment, a method for parallel operation of the dual-channel power supply system as in Embodiment 1 is provided, and the method is executed according to the following steps:

[0116] Step 1. Select the dual-channel power supply system to work in parallel mode;

[0117] Step 2. Obtain the current values ​​A1 and A2 of the two power channels 4 when the two power channels 4 are separately disconnected from the load;

[0118] Step 3. If A1 is greater than A2, the power channel 4 that obtains the current value A1 is the master, and the other power channel 4 is the slave; otherwise, the power channel 4 that obtains the current value A2 is the master, and the other power channel 4 is the slave;

[0119] Step 4, determine the output current value of the power channel 4 of the slave;

[0120] Further, when determining the output current value of the power channel of the slave in the step 4, first determine the ratio value of the output current of the power channel 4 ...

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Abstract

The present invention proposes a dual-channel power supply system and its paralleling method. The dual-channel power supply system provided by the present invention can realize mutual conversion between the independent working mode and the parallel working mode as long as the working state of the relevant line switch is set through the control system. , without adding or reducing additional hardware facilities. Compared with the simple parallel system and independent working power supply system, the application range of the power supply system provided by the present invention is wider; the parallel machine method of the dual-channel power supply system provided by the present invention is set The current acquisition data of the line switch and the current sensor can judge the master and the slave. Compared with the software method, it is more reliable and convenient to judge the master and slave, the output accuracy of the parallel machine is higher, and the current control algorithm is simpler.

Description

technical field [0001] The invention relates to a power supply system and a paralleling method thereof, in particular to a dual-channel power supply system and a paralleling method thereof. Background technique [0002] When supplying power to the load, the load sometimes exceeds the output current of a single power supply. At this time, the method of dual-channel parallel operation can be considered to meet the current demand of the load. The existing technology provides a UPS power supply parallel system. The system provides two connected power channels to achieve parallel operation to meet the power supply requirements of external loads. Therefore, the dual-channel power supply systems in the prior art that can provide parallel current are often connected in parallel before leaving the factory. , it can no longer be changed in the later stage, but this kind of power system has a small adaptability and can only provide high current. When facing ordinary loads with only sma...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): H02M1/00H02J1/10H02J3/38
CPCH02J1/102H02J3/38H02M1/00
Inventor 蔡晓雷晓周随影毛建华
Owner 西安迅湃快速充电技术有限公司
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