Siemens EK 726 Series Manual de servicio descargar pdf (Pagina 39)

ENGINEERING INFORMATION AND INSTRUCTIONS

MICROMASTER

MICROMASTER Vector

MIDIMASTER Vector

SIEMENS DA 64 – 2002/2003

3/15 Version D

3.8 Max. motor cable lengths

Drive inverter

power

Rated voltage Housing

size

Without output reactor With output reactor

KW V

Non-

shielded

cable

Shielded

cable

Non-shielded

cable

Shielded

cable

MICROMASTER / MICROMASTER Vector

0.12 - 1.5 208-240 ±10% A, B 200 200 250 225

2.2 – 4.0 208-240 ±10% C 185 150 235 185

0.37 - 1.5 380-500 ± 10% A 110 80 185 125

2.2 – 3.0 380-500 ± 10% B 170 140 220 170

4.0 - 7.5 380-500 ± 10% C 200 200 300 250

MIDIMASTER Vector

5.5 208-240 ±10% 4 200 50 250 80

7.5 - 11 208-240 ±10% 4, 5 300 200 350 225

15 - 22 208-240±10% 6 300 300 350 325

30 - 45 208-240±10% 7 300 300 350 325

7.5 - 18.5 380-500± 10% 4, 5 150 75 200 100

22 - 37 380-500± 10% 6 200 150 250 175

45 - 75 380-500 ± 10% 7 300 300 350 325

2.2 - 18.5 525-575 ± 10% 4,5 100 100 150 125

22 - 37 525-575 ± 10% 6 150 150 200 175

Standard cable lengths are 50m for non-shielded cables and 25m for shielded cables. The above mentioned

maximum cable lengths are for constant torque applications (CT) under the following conditions:

· Max. 460 V rated voltage for MICROMASTER, MICROMASTER Vector and MIDIMASTER Vector with a

voltage range 3-ph. 380-500 V AC.

· The pulse frequency which is set corresponds to that set in the factory:

Max. 16 kHz pulse frequency for 230V MICROMASTER and MICROMASTER Vector

Max. 4 kHz pulse frequency for 400V MICROMASTER, MICROMASTER Vector and all MIDIMASTER

Vector drive units

· The maximum overload is:

150% rated output current for MICROMASTER and MICROMASTER Vector

150% rated output current for MIDIMASTER Vector for constant torque (CT) applications

(The overload capability refers to the rated output currents of the MICROMASTER and MICROMASTER Vector drive

units, rated output currents for constant torque applications (CT) of the MIDIMASTER Vector and for a load duty cycle of

5 minutes. This means that the drive units can withstand a of 50% overload condition for a total of 1 minute over a period

of 5 minutes.)

Another possibility of extending the cable lengths (with the exception of using an output reactor) is to use the next

larger drive inverter.

Comment: For longer cable lengths (> standard cable lengths), problems can be incurred for vector control

types (P77 = 3).

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Siemens EK 726 Series Manual de servicio Pagina 39

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