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Armoured flame-proof type switch transformer type flexible starting equipment

A switching transformer and soft start technology, applied in emergency protection circuit devices, motor generators/starters, starters of single multi-phase induction motors, etc., can solve the problems of high price, high maintenance cost, and high cost of spare parts. Achieve the effect of benefiting lubrication, improving switch life and prolonging service life

Inactive Publication Date: 2008-11-12
苏绵朋
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0013] c. Although the device has a mine flameproof type, but due to the above reasons, the price is very expensive, and the cost of subsequent spare parts is also high, so the maintenance cost is very high

Method used

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  • Armoured flame-proof type switch transformer type flexible starting equipment
  • Armoured flame-proof type switch transformer type flexible starting equipment
  • Armoured flame-proof type switch transformer type flexible starting equipment

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0041] Figure 1 to Figure 6 A first embodiment of the invention is shown, in which figure 1 It is a structural schematic view of the first structure of the present invention when viewed from a top view; figure 2 yes figure 1 The A-direction view of the armored flameproof switch transformer type soft starter shown; Figure 3 is figure 1 The B-direction view of the armored flameproof switch transformer type soft starter shown in Figure 4 is figure 1 The schematic diagram of the internal structure of the armored flameproof switch transformer type soft starter shown; Figure 5 yes figure 1 The D-D line sectional view of the armored flameproof switch transformer type soft starter shown; Figure 6 The electrical schematic diagram of the armored flameproof switch transformer type soft starter shown.

[0042] This embodiment is a mine-used armored flameproof switching transformer type soft starter, see Figure 1 to Figure 5 , including a main body explosion-proof box 2 that is...

Embodiment 2

[0053] Figure 7 and Figure 8 A second embodiment of the invention is shown, in which Figure 7 It is a structural schematic diagram of a split explosion-proof box in the second structure of the present invention; Figure 8 yes Figure 7 The E-E line sectional view of the split explosion-proof box shown.

[0054] This embodiment is also a mine-used armored flameproof switching transformer type soft starter, which is basically the same as Embodiment 1, except that: see Figure 7 and Figure 8 , the device also includes a split explosion-proof box 4 with four high-voltage vacuum contactors 3 inside, and the split explosion-proof box 4 includes a split main cavity 41, a split high-voltage inlet cavity 42, and four split High-voltage outlet cavity 43; the split high-voltage inlet cavity 42 is set on the top of the split main cavity, and the split high-voltage outlet cavity 43 is set at one side of the split main cavity.

[0055] In order to facilitate maintenance, this embo...

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Abstract

The invention discloses a sheathed and flame-proof type switching transformer style soft starter, which comprises a main flameproof box which is used for installing the soft starter, the soft starter comprises a main cavity, a high-voltage wire inlet cavity and a high-voltage wire outlet cavity; wherein, the soft starter comprises a thyristor component. The right terminal of the main cavity is provided with a maintenance side plate flange which is convenient for overhauling the thyristor component and is plumb in the face of the thyristor component which is arranged in the main flameproof box. The invention has the advantages of convenience and swiftness in the aspects of the overhauling or maintenance.

Description

technical field [0001] The invention relates to a high-voltage soft starter, in particular to an armored flameproof switch transformer soft starter. Background technique [0002] With the changes in the coal market, the underground electricity load has doubled, but due to the capacity of the power supply system that has been formed, it is often difficult to meet the starting requirements of the underground high-power medium-voltage motor. In the absence of power grid system reconstruction and expansion, the best way to solve the medium voltage (3.3 kV to 10,000 volts. This voltage level is commonly known as high voltage, but it should be called medium voltage according to international standards.) The best way to start the motor is to implement soft start . [0003] At present, there are several types of explosion-proof high-voltage soft starters for mines in China: [0004] (1) Saturated reactor mode. [0005] a. The saturable reactor method is to change the point reacta...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): H02P1/26H02H7/08
Inventor 苏绵朋
Owner 苏绵朋
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