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Energy-saving control system for heating device

An energy-saving control system and heating device technology, applied in electric heating devices, electrical components, multi-phase network asymmetry reduction and other directions, can solve the problems of three-phase load unbalance, low power factor, etc. The effect of power factor

Pending Publication Date: 2018-01-19
罗森
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Problems solved by technology

[0002] In the process of industrial production, it is often necessary to heat the objects, such as smelting, baking, etc.; industrial electricity is generally connected to 380V three-phase electricity. In practical applications, since there are not only purely resistive electronic components in the load circuit, every Different inductive electronic components and capacitive electronic components are connected to the load of each phase, resulting in a phase difference between the voltage and current in the line, resulting in an unbalanced load of the three phases and a low power factor

Method used

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  • Energy-saving control system for heating device
  • Energy-saving control system for heating device
  • Energy-saving control system for heating device

Examples

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Embodiment

[0023] Example: see figure 1 .

[0024] An energy-saving control system for a heating device, which includes: a sampling module, a switching device, and a control system, wherein the sampling module is used to collect voltage signals and current signals output by three-phase electricity; the switching device is used to switch the external output of three-phase electricity The control system receives the voltage and current signals collected by the sampling module, and controls the switching device to work according to the voltage and current signals, so that the load of the output three-phase electricity is balanced.

[0025] In this technical solution, the voltage and current signals input to the load are collected through the sampling module, and the sampling module can use a transformer; when the load of the three-phase electricity is unbalanced, there are differences in the current and voltage of the three-phase electricity. At this time, through The switching device redi...

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Abstract

The invention relates to the technical field of heating device control, and particularly relates to an energy-saving control system for a heating device. The system comprises a sampling module, a switching device and a control system. The sampling module is used for acquiring a voltage signal and a current signal output by the three-phase power. The switching device is used for switching the output of the three-phase power, and adjusting the output current and the output voltage. The control system is used for receiving voltage and current signals collected by the sampling module, and controlling the switching device to work according to the voltage and current signals so as to realize the current balance of the output three-phase power. Through the equalization treatment of the output three-phase power, the zero potential is redefined. When a heating load is output, the reactive power can be reduced. Meanwhile, the power factor is improved, and the energy-saving effect can be achieved.

Description

technical field [0001] The invention relates to the technical field of heating device control, in particular to an energy-saving control system for a heating device. Background technique [0002] In the process of industrial production, it is often necessary to heat the objects, such as smelting, baking, etc.; industrial electricity is generally connected to 380V three-phase electricity. In practical applications, since there are not only purely resistive electronic components in the load circuit, every The loads of the phases are connected with different inductive electronic components and capacitive electronic components, resulting in a phase difference between the voltage and current in the line, resulting in an unbalanced load of the three phases and a low power factor. Contents of the invention [0003] The purpose of the present invention is to provide an energy-saving control system for a heating device to address the shortcomings of the prior art. The control syste...

Claims

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Application Information

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IPC IPC(8): H05B1/02
CPCH02J3/26H05B1/02Y02E40/50
Inventor 罗太阁
Owner 罗森
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