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when the line to cross, to be right-angled intersection. Frequency converter installation environment requirements are higher, the General Provisions: temperature does not exceed-10e, temperature does not exceed 50e; installation of sea level should be less than 1000m, more than this provision, should be reduced capacity to use. At the same time, the environment of vibration, dust, electromagnetic interference, corrosion, humidity and so have strict requirements. Due to the frequency converter operating environment may exist high electromagnetic interference, it should be reliable grounding according to requirements. The installation process requirements are as follows: ensure that all equipment in the control cabinet is properly grounded. Short, thick grounding wires should be used and connected to common ground wires. When the 100Hz negative pulse is mixed into the open voltage of the lock door, the open voltage will decrease with the negative pulse, and the output signal of the lock door will be modulated by the 100Hz frequency. The output voltage of chopping wave is formed, and the phenomenon of temporary turn-off occurs. The self-excited Oscillation of low frequency gap of about 0.5 hz is produced by the voltage feedback system, other circuits and chopping circuit, which causes the output voltage of the intermediate frequency converter to be blocked and turned off once every 2 seconds. The output voltage of the short-term loss of voltage, resulting in the output voltage hit er, the spindle of the short-term loss of voltage generated electricity phenomenon, which is accompanied by the "squeak" brake sound phenomenon. After analysis and inspection is the loss of voltage protection circuit in the C1 capacitor capacity caused by the reduction. The protection circuit is composed of D1 ~ D4, R1, R2, C1, VT1, etc

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5SHY3545L0010

DSSB145 48980001-AP

5SHY3545L0010 由【廈門興銳嘉進(jìn)出口有限公司】優(yōu)惠供應(yīng).