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| Trolley locomotive traction converter is composed of input to the current through the wiring circuit and motor vehicle electrical appliances into the motor car, then to return to the track of substation. DC voltage in China coal mine power grid has 250V and 550V two, open 550V and 750V two. Advantages: the trolley locomotive has the advantages of simple structure, low cost, convenient maintenance, locomotive transport capacity, high speed, high power efficiency, low transportation cost, the most widely used. Disadvantages: there must be rectified and wiring facilities are not flexible; have a certain i***ct on line size of tunnel and pedestrian safety; between pantograph and overhead line easy to produce the ***rk gas used in serious mine is not allowed; initial construction investment is large, but in the long run, the total cost for mining electric locomotive to the motor car is much lower than the battery. Therefore, if the conditions permit, |
| Company: |
jining zhongke mining machinery factory
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| Contact: |
Mr. xu bomin |
| Address: |
Sishui country jinzhuang town |
| Postcode: |
273201 |
| Tel: |
0537-4032888 |
| Fax: |
0537-4039977 |
| E-mail: |
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