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Double-winding transformer voltage stabilizer

A double-winding transformer and voltage stabilizing device technology, applied in the field of electric power, can solve the inevitable problems such as no arcing, and achieve the effect of long service life and simple control

Inactive Publication Date: 2021-12-17
SANITY QUANZHOU ELECTRIC MFG
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  • Abstract
  • Description
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Problems solved by technology

However, the on-load tap changer switch it is equipped with is difficult to avoid arcing when adjusting the voltage, so it needs frequent maintenance

Method used

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  • Double-winding transformer voltage stabilizer

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Embodiment Construction

[0026] Combine below figure 1 The present invention is described in further detail with specific embodiment:

[0027] like figure 1As shown, a double-winding transformer voltage stabilizing device includes a double-winding transformer and a complex group of three-phase voltage regulators, and is applied to various voltage level classifications, various cooling classifications, various enclosure classifications, and the summary of this specification. A range of connection and combination classifications other than automatic voltage stabilizing devices for power transformers. The double-winding transformer also includes double-winding transformer high-voltage coil X1, double-winding transformer high-voltage coil X2, double-winding transformer high-voltage coil Y1, double-winding transformer high-voltage coil Y2, double-winding transformer high-voltage coil Z1, double-winding transformer high-voltage coil Z2, double-winding transformer Winding transformer low-voltage coil x1, d...

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Abstract

The invention relates to the technical field of electric power, in particular to a series of power transformer automatic voltage stabilizing devices which are easy to control, safe, reliable, high in voltage regulating speed, wide in input voltage, high in voltage stabilizing precision and long in continuous safe operation time. Specifically, a series of power transformer automatic voltage stabilizing devices are formed by arranging a voltage combination winding, a protection device, an operation system, a main control system and a driving system, wherein the voltage combination winding is formed by connecting a plurality of groups of tuning windings and a plurality of groups of external voltage adjusting devices in a one-to-one correspondence mode on a power transformer. According to the invention, control is simple, safe and reliable, the voltage stabilizing time is shorter than or equal to 60 milliseconds, the input voltage is larger than or equal to the rated voltage value * 120%, the output voltage precision is smaller than or equal to 2.5%, the continuous safe operation time is smaller than or equal to 10,000 hours, the rated capacity is large and smaller than or equal to 5000 KVA, the service life is long and smaller than or equal to 25 years, and an uninterrupted automatic bypass function, a real-time automatic monitoring function and the like are achieved.

Description

technical field [0001] The invention relates to the field of electric power technology, in particular to a double-winding transformer voltage stabilizing device. Background technique [0002] Transformers are important equipment for power grid distribution. At present, all regions of the world are in the peak period of power construction, and the problem of tight power supply needs to be solved urgently. In order to alleviate the tense situation of power supply, power companies in various regions of the world have increased the total length of transmission lines, increased the investment scale of power grid construction, and further expanded the transformation capacity, providing a broad development space for the transformer industry and promoting the transformer industry. Good development of manufacturing industry. [0003] Voltage quality problems include the following: [0004] ①Voltage deviation: the operating voltage value is in the range of ±10% of the rated voltage ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02J3/12
CPCH02J3/12
Inventor 张谋龙
Owner SANITY QUANZHOU ELECTRIC MFG
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