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A Portable Water Resistance Type High Current Booster

A technology of water resistance and high current, applied in the field of current boosters, can solve the problems of inapplicability and rheostats that cannot bear the power of current above 5A, and achieve the effect of strong electric resistance, large output power and reliable operation

Active Publication Date: 2016-05-18
SHANGHAI MUNICIPAL ELECTRIC POWER CO
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] Commonly used rheostats connected to the circuit cannot withstand the power of more than 5A current, and are not suitable for power system relay protection AC and DC high current testing

Method used

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  • A Portable Water Resistance Type High Current Booster
  • A Portable Water Resistance Type High Current Booster

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Experimental program
Comparison scheme
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Embodiment Construction

[0020] The present invention will be further described below in conjunction with the accompanying drawings.

[0021] see figure 1 and figure 2 , the figure shows a portable water resistance type high current booster of the present invention, including a fixed electrode 1, a sliding electrode 2, a sliding electrode bracket 3 and an adjustment transmission mechanism, the adjustment transmission mechanism includes a first pulley 4, a second pulley 5 , insulated wire 6 and sliding electrode fixing block 7.

[0022] The fixed electrode 1 is in the shape of a barrel, made of aluminum and made of an aluminum plate. The upper edge of the fixed electrode 1 is provided with a first electrode terminal 11, and the outer surface of the bottom of the fixed electrode 1 is covered with an insulating pad 13 to prevent short circuits. The outer ring of the fixed electrode is sleeved with an insulating sleeve 12 to meet Class I insulation; the sliding electrode 2 is made of copper plate and i...

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PUM

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Abstract

The invention discloses a portable water resistance type large-current rising device which comprises a fixed electrode, a sliding electrode, a sliding electrode support and an adjusting transmission mechanism. The adjusting transmission mechanism comprises a first pulley, a second pulley, an insulated wire and a sliding electrode fixing block, the sliding electrode support comprises a transverse beam, a first vertical beam and a second vertical beam, and the first pulley and the second pulley are respectively installed on the transverse beam; one end of the insulated wire is connected with the middle of the top end of the sliding electrode, and the other end of the insulated wire sequentially passes through the first pulley and the second pulley to be connected with the top end of the sliding electrode fixing block; the sliding electrode fixing block is located outside the fixed electrode. The portable water resistance type large-current rising device is suitable for power system relay protection alternating and direct current large-current testing, and the rising device is high in output power, reliable in movement and small in discrete value in field calibration.

Description

technical field [0001] The invention relates to a current booster, in particular to a portable water resistance type large current booster, which is suitable for testing the DC magnetic-assisted characteristics of the BCH-2 series of relay protection differential protection relays in power systems and for user distribution stations On-site debugging and testing the periodic inspection of the current inverse time relay series. Background technique [0002] At present, GL-type inductive current relays are widely used for relay protection in 10 kV old-fashioned substations (distribution transformers above 400KVA), which also serve as overcurrent and current quick-break protection, and the operating power supply adopts full AC operation mode. In the test, a single-phase relay protection calibrator is generally used. Due to the small output power and the impact of the high-current impact transition process, the outlet contacts of the GL-type relay often vibrate, the action delay ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): G01R31/327
Inventor 冯良
Owner SHANGHAI MUNICIPAL ELECTRIC POWER CO