Mine and mine transformer energy storage has a lot of energy recovery operation and optimization of mining equipment is used in series, such as mine pumping down, lift down stage liquid phase at mine driving vehicle braking stage are in a negative feedback load energy to the power system operating conditions. The theoretical research shows that the energy accumulator of the energy recovery can be used in tandem with the adjustable mining transformer. The storage capacity of the mine energy accumulator can be optimized. This is because the front of the accumulator has a pressure regulator, and the initial work, the ash force and the energy storage can be maximum pressure, and the system can be free from the restriction of the system.
The company has successfully passed the international certification of ISO14000 environmental management system, and has prepared a green business card for enterprises to explore the international market". A slot for turn line path of the wire at the same time to avoid the production of damage, crack pin foot, sand and other anomalies, so the line width of the groove end to consider: the size of pinhole diameter, wall thickness, edge burr processing copper sand. In general, the cross line groove is suitable for bigger, so as to avoid sand clamping, and also convenient for customers to cross the copper wire, but after the line groove is bigger, the remaining pinhole edge wall thickness will be too small, and the pin production is easy to break feet.
Inspection of transformer operation
(1) check whether the upper oil temperature exceeds the allowable range. Because each transformer load, cooling conditions and different seasons, can not run in the transformer top oil temperature does not exceed the allowable value as the basis, should also be based on past experience and operation in the above case and the last oil is relatively. If the oil temperature suddenly increases, it should check whether the cooling device is normal, whether the oil circulation is damaged and so on, to determine whether there is a fault in the transformer.
(2) check the oil quality, should be transparent, microstrip yellow, which can determine the quality of oil. The oil level shall be in line with the ambient temperature. If the oil level is too low, the transformer should be checked for leaks. If the oil level is too high, check the use of the cooling device and see if there is an internal fault.
(3) the sound of the transformer should be normal. There is a normal buzzing sound when running normally. If the sound has changed, should be carefully examined and promptly reported to the inspectors, whether the maintenance process.
(4) the casing shall be checked for cleanliness, cracks and discharge traces, and the cooling device shall be in normal condition. Work, standby power and oil pump should meet the operation requirements and so on.