Technical data – inverter
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|
Terminal / strand |
KW26-S5-FSE-4Q (2WD inverter) (data per inverter) |
|---|---|---|
|
Rated input voltage HV+, HV- power supply |
HV+, HV- |
540 VDC |
| Input voltage range |
250 VDC - 720 VDC |
|
|
Input current Power supply for HV = 540 VDC |
48 A |
|
|
Intermediate circuit capacity |
75 μF | |
|
Supply voltage for logic supply LV |
X08 (X09) |
24 VDC ±15%, |
|
Input current for logic supply LV |
≤ 500 mA | |
|
Capacity at input of internal switched-mode power supply |
1,500 µF |
|
|
Efficiency |
Approx. 98% |
|
|
Ground |
Vehicle ground (vehicle chassis) or ground strap Switching GND for logic voltage is internally connected to the frame of the inverter |
|
|
Control method Switching frequency |
PWM 8 kHz |
|
|
Output frequency 1) |
U, V, W |
0 - 1200 Hz |
|
Output voltage (HV = 540 VDC) |
350 VAC (sinusoidal output current) |
|
|
Output voltage range (HV = 250 - 720 VDC) |
160 - 490 VAC |
|
|
Rated output power |
26 KVA | |
|
Rated output current IN |
43 A | |
|
Peak output current Imax |
107 A |
|
|
Max. duration of peak output current Imax
|
10 s |
|
|
Max. duration of peak output current Imax
|
1 s |
|
|
Temperature sensor evaluation |
X12 |
KTY e.g., KTY84-130 |
| Protective / monitoring function | Short-circuit / ground fault, intermediate circuit overvoltage, excess temperature at motor / heat sink, current overload as per I²t | |
|
Galvanic isolation voltage between HV and LV |
2200 VDC |
|
| Cooling |
Liquid cooling |
|
|
Flow rate |
1.5 bar / 10 l/min | |
| Max. cold plate and ambient temperature |
40 °C |
|
| Protection class | IP 00 | |
|
Dimensions (2WD inverter) |
Approx. 339 mm length, approx. 183 mm width, approx. 131 mm height |
|
| Weight for 2WD inverter including heat sink |
Approx. 6,3 kg |
|
|
1) |
Speed setpoint values are limited to 30000 rpm |
