Intelligent load balancer

A technology of intelligent load and balancer, applied in power factor control, estimation/correction of motor parameters, etc., can solve problems such as large power loss, inability to compensate for power, and inability to use normally, achieve great energy-saving effect, and avoid parallel resonance. and harmonic amplification problems, preventing the effect of excessive compensation

Pending Publication Date: 2018-03-23
哈尔滨泾铎技术有限公司
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Problems solved by technology

This invention cannot accurately perform power compensation according to the actual needs of the circuit, and cannot be used normally when the voltage of the power supply line is unstable, and ...

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specific Embodiment approach 1

[0036] Combine below Figure 1-8 To illustrate the present embodiment, the following description is only illustrative, and is by no means any limitation to the present invention and its application or use. It should be noted that similar symbols and letters represent similar items in the following drawings.

[0037] An intelligent load balancer, including a sampling module SIG-E, a main power input terminal La, a voltage stabilization module Ta, an isolation transformer Tb, a power supply detection module, a reference ground terminal N, a main controller, a compensation switch KM, a compensation module CR, The driver QD and the main power supply output terminal Lb, the main power supply input terminal La includes terminals La1, La2 and La3 respectively connected to the three-phase lines of the three-phase alternating current, and the voltage stabilizing module Ta is used as a system through AC-to-DC rectification and step-down. Weak current power supply, and the voltage stabil...

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Abstract

The invention relates to power compensation equipment, in particular to an intelligent load balancer. The intelligent load balancer comprises a sampling module, a main power supply input end, a voltage regulator module, an isolation transformer, a power supply detection module, a datum grounding end, a main controller, a compensation switch, a compensation module, a driver and a main power supplyoutput end; the driver is arranged between the isolation transformer and the main power supply output end; the driver is positioned between the compensation switch and the main power supply output end; the driver is connected in parallel with a driver isolation switch; one end of the driver isolation switch is connected between the input end of the driver and the compensation switch; and the otherend of the driver isolation switch is connected to the output end of the driver. The intelligent load balancer has the beneficial effects that coordinated operation of variable frequency speed regulation and power compensation functions can be implemented; and the intelligent load balancer has a very good energy-saving effect.

Description

technical field [0001] The invention relates to a power compensation device, more specifically an intelligent load balancer. Background technique [0002] At present, my country's total energy consumption is increasing year by year, among which industrial energy consumption accounts for about 70% of the country's total energy consumption, and motors are the main power-consuming terminals in the industrial field, accounting for 75% of the total industrial power consumption. . [0003] There are two working conditions of speed regulation and non-speed regulation in the application of motors, which account for more than 60%. The energy consumption problem of motors that do not require speed regulation is almost ignored by people. Most non-speed regulation motors have simple protection and lack of fault analysis. And records, low-efficiency operation, serious problems of electric energy waste. [0004] At present, it is widely used to install shunt capacitors on the low-voltage...

Claims

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Application Information

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IPC IPC(8): H02P23/26H02P23/14
CPCH02P23/14H02P23/26Y02E40/50
Inventor 安洪刚
Owner 哈尔滨泾铎技术有限公司
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