HCI 534D/544D - Technical Data Sheet

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HCI534D/544D Winding 311 Locked Rotor Motor Starting Curve MX 50 Hz SX 30 346V 380V 400V 415V 440V 30 346V 380V 400V 415V 440V 25 25 PER CENT TRANSIENT VOLTAGE DIP . 20 15 10 PER CENT TRANSIENT VOLTAGE DIP . 20 15 10 5 5 0 0 200 400 600 800 1000 1200 1400 1600 1800 LOCKED ROTOR kVA 0 0 200 400 600 800 1000 1200 1400 LOCKED ROTOR kVA MX 60 Hz SX 30 380V 416V 440V 460V 480V 30 380V 416V 440V 460V 480V 25 25 PER CENT TRANSIENT VOLTAGE DIP . 20 15 10 PER CENT TRANSIENT VOLTAGE DIP . 20 15 10 5 5 0 0 200 400 600 800 1000 1200 1400 1600 1800 2000 LOCKED ROTOR kVA 0 0 200 400 600 800 1000 1200 1400 1600 LOCKED ROTOR kVA 6
50 Hz HCI534D/544D Three-phase Short Circuit Decrement Curve. No-load Excitation at Rated Speed Based on star (wye) connection. 100000 SYMMETRICAL ASYMMETRICAL CURRENT (Amps) 10000 1000 100 0.001 0.01 0.1 1 10 TIME (secs) Sustained Short Circuit = 2,400 Amps 60 Hz 100000 SYMMETRICAL CURRENT (Amps) 10000 1000 ASYMMETRICAL 100 0.001 0.01 0.1 1 10 TIME (secs) Sustained Short Circuit = 2,500 Amps Note 1 Note 2 The following multiplication factors should be The following multiplication factor should be used to convert the used to adjust the values from curve between values calculated in accordance with NOTE 1 to those applicable time 0.001 seconds and the minimum current to the various types of short circuit : point in respect of nominal operating voltage : 50Hz 60Hz 3-phase 2-phase L-L 1-phase L-N Voltage Factor Voltage Factor Instantaneous x 1.00 x 0.87 x 1.30 380v X 1.00 416v X 1.00 Minimum x 1.00 x 1.80 x 3.20 400v X 1.06 440v X 1.06 Sustained x 1.00 x 1.50 x 2.50 415v X 1.09 460v X 1.12 Max. sustained duration 10 sec. 5 sec. 2 sec. 440v X 1.12 480v X 1.20 All other times are unchanged The sustained current value is constant irrespective Note 3 of voltage level Curves are drawn for Star (Wye) connected machines. For other connection the following multipliers should be applied to current values as shown : Parallel Star = Curve current value X 2 Series Delta = Curve current value X 1.732 7
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