Operating procedures for Reynolds frequency converters

Create Date: 2024-8-30 12:03:23|Source: RENLE/RENOLDS

Bypass cabinet: The cabinet is equipped with high-voltage inlet and outlet isolation switches QS1 and QS2. Among them, QS1 is a single-pole single-throw variable frequency incoming knife switch, and QS2 is a single-pole double-throw power frequency and variable frequency outgoing knife switch. The bypass cabinet is in a high-voltage environment, please check the status of the live display and electromagnetic lock to ensure safety before opening the cabinet door.

                                 Operating procedures for Reynolds frequency converters

Transformer cabinet: The cabinet is equipped with a phase-shifting transformer, with an input AC10000V and an output AC720V, which is used to supply power to the power unit. The transformer cabinet is a high-voltage environment, and it is necessary to confirm that the system is not high-voltage before opening the cabinet door.

Power cabinet: There are three layers of power units in the cabinet, 8 in each layer. The power cabinet is a high-voltage environment, and it is forbidden to open the cabinet door when the equipment is live.

Control cabinet: The cabinet is the control parts of the high-voltage inverter, and its important components are from top to bottom: main control box, PLC, relay, air switch, terminal bar, switching power supply, UPS.

The air switches from left to right are: transformer thermostat switch QF1, transformer cabinet top fan switch QF2, power cabinet top fan switch QF3 and control power switch QF4. It should be noted that when the inverter is not on the high voltage, please ensure that the QF4 is closed, and before the inverter is powered on at high voltage, please ensure that all the above air is closed and closed. In addition, the UPS power supply is supplied by QF4, please do not disconnect QF4 without special circumstances, in case of QF4 power failure, please close the UPS to prevent the UPS from long-term discharge and damage to its internal battery.

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