Eaton H-Max Series Installation Manual

Also see for H-Max Series: Quick start guide Installation manual Installation manual Manual

System Overview10Block Diagram, Elements of H-Max Frequency InvertersItemNumber Description1 Supply L1, L2/N, L3, PE, input supply voltage U LN = U e at 50/60 Hz:HMX32: 200V class, three-phase input connection (3 AC 230V/240V)HMX34: 400V class, three-phase input connection (3 AC 400V/480V)2 Internal interference suppression filter, category C2 to IEC/EN 61800-3EMC-connection of internal interference suppression filter to PE3 Rectifier bridge, converts the AC voltage of the electrical network into DC voltage4 DC link with charging resistor, capacitor and switching mode power supply unit(SMPS = Switching Mode Power Supply):DC link voltage U DC with three-phase input connection (3 AC): U DC = 1.41 x ULN5 Inverter. The IGBT based inverter converts the DC voltage of the DC link (U DC ) into a three-phase AC voltage (U 2 ) with variable amplitude andfrequency (f 2 ). Sinusoidal pulse width modulation (PWM) with V/f control can be switched to speed control with slip compensation6 Motor connection U/T1, V/T2, W/T3 with output voltage U 2 (0–100% U e ) and output frequency f 2 (0–320 Hz) output current (I 2 ):HMX32: 3.7–310AHMX34: 3.4–310A100% at an ambient temperature of 104°F (40°C) with an overload capacity of 110% for 60s every 600s and a starting current of 200% for 2s every 20s7 Keypad with control buttons, graphic display, control voltage, control signal terminals, microswitches, and interface for the PC interface module(option)8 Three-phase asynchronous motor, variable speed control of three-phase asynchronous motor for assigned motor shaft power values (P 2 ):HMX32: 0.55–90 kW (230V, 50 Hz) or 0.75–125 hp (230V, 60 Hz)HMX34: 1.1–160 kW (400V, 50 Hz) or 1.5–250 hp (460V, 60 Hz)9 DC link—chokes, to minimize current harmonics+R+EMCL1L2L3PER–M3 ~U/T1V/T2W/T3PE

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