HPV power inductor · 800 V
HPV125-15-311 · 310 µH, 125 A power inductor for 800 V, 15 kHz
Matched set of 3 powder-core toroidal inductors in series with Litz winding, for 55.6 kW boost and buck stages on an 800 V DC bus at 15 kHz.
Standard series · HPV (800 V)
Preliminary · design dataHPV125-15-311
310 µHInductance of the set (3 × 103 µH) ±8 %
125 A rmsRated current, 15 kHz incl. ripple
208.3 ASaturation current (L ≥ 80 %)
55.7 kWPower at Vbus ≤ 891 V (D = 0.5)
48 KTemperature rise, Ta 50 °C, still air
≈ 18.3 kgWeight of the set (3 × 6.1 kg)
Electrical characteristics
| Parameter | Condition | Value |
|---|---|---|
| Construction | – | Set of 3 identical units, connected in series |
| Inductance L0 | 10 kHz, 1 V, 0 A DC | 310 µH ±8 % (103 µH per unit) |
| Rated current Irms | 15 kHz, ripple incl., Ta ≤ 85 °C, natural convection | 125 A |
| Saturation current Isat | L ≥ 80 % of nominal L0 | 208.3 A |
| Ripple current | at 15 kHz, 800 V, D = 0.5 (design basis) | 50 A pk-pk |
| Switching frequency | design frequency | 15 kHz |
| DC resistance | 25 °C, 4-wire, complete set | 5.79 mΩ typ. |
| Power loss | rated current, Ta 50 °C, complete set | 193 W typ. |
| Temperature rise | rated current, Ta 50 °C, still air | 48 K typ. |
| Operating ambient | at rated current | −40 … +85 °C |
| Insulation class | winding system | F (155 °C) |
| Power rating / max. bus voltage | D = 0.5 (buck / boost), design ripple; P ≈ ½ · Vbus · Irms | 55.7 kW at Vbus ≤ 891 V |
Mechanical
| Outer diameter (per unit) | ≤ 144 mm |
| Height (per unit) | ≤ 82 mm |
| Free inner bore | ≥ 55 mm |
| Weight | ≈ 6.1 kg per unit, ≈ 18.3 kg per set |
| Termination | Flying leads, stripped and solder-tinned |
| Core | Distributed-gap powder toroid, coated |
| Mounting | Aluminium L-bracket or base plate (on request) |
Same rating, other frequencies
Neighbouring ratings (15 kHz)
Preliminary design data – typical values to be confirmed on first samples. The datasheet describes one unit of the set. Bracket mounting, aluminium winding and forced-air ratings on request. Specifications subject to change without notice.
Next step
Send us your spec.
Power, voltage, frequency, mounting and target standard – we scope design and production with you.