TU830V1 ABB expansion module terminal unit
Brand ABB color standard application Industrial height 198mm rated current 372mA
Protection level IP45 Suitable for motor power 346KW Application Site Power Industry BOM Number GJR2391500R1220 Power industry HIEE401782R0001 Part Number TU830V1
Applicable pipe 2 Whether imported is weighing 3.88 kg can be sold nationwide
TU830V1 ABB expansion module terminal unit
The power frequency in-line high pressure cabinet is the backup guarantee to ensure the operation of the motor and compressor under the fault state of the frequency conversion circuit. Under normal circumstances, the frequency conversion in-line high pressure cabinet supplies power to the frequency converter. The frequency converter in-line high pressure cabinet must be controlled by the frequency converter.
2, 12 pulse isolation transformer by domestic production, transformer has 2 secondary windings, a Y connection, a Δ connection, two windings with the phase with 30. Phase difference. The ACS1000 inverter with 12 pulse isolation transformer has met the requirements of voltage and current harmonics in IEEE519-1992 and UK G.5/3.
3, the high voltage switching cabinet is used to cooperate with the electromechanical/frequency conversion switching, when the high voltage vacuum contactor KM2, KM3 closed, the motor is Δ connection, then the rated voltage of the motor 3.465KV, when the motor frequency operation is required, the high voltage vacuum contactor KM1, KM4 closed, the motor is connected to the power grid, directly through the power frequency into the line cabinet directly started by the power frequency.
4, the PLC control box is mainly responsible for the logic chain and communication with the compressor DCS system. When the frequency converter is ready and the power frequency incoming line is closed, if the DCS system sends the unit start signal, the high voltage switching cabinet KM2 and KM3 will be closed, the switching cabinet will automatically put into the frequency conversion operation mode, and the unit will automatically start the frequency converter operation. Inverter speed control system adopts closed-loop control, the compressor DCS control system outputs the given speed value (4 ~ 20mA) to the inverter, the inverter drives the motor to start smoothly, and the inverter outputs the motor’s operation/stop, fault, operation, motor current, power, water temperature and other signals to the DCS system. When the high voltage cabinet is in the opening position or the inverter is faulty, if the DCS system sends the unit
TU830V1 ABB expansion module terminal unit
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