Three-phase MV/LV pole-mounted distribution transformer, type H61 – 160KVA - 30KV compliant with NF C52-112-1 standard
This transformer range complies with IEC 60076 and 60354 standards, as well as NF C52-112-1, HD 428.1, and HN 52-S-20 standards. The transformers shall meet the following specifications:
- Mineral oil-immersed transformers
- LV and MV windings made of copper
- Outdoor installation on H61-type pole
- Maximum ambient temperature: 40°C
- Maximum dielectric temperature rise: 60°C
- Maximum copper temperature rise: 65°C
- Cooling type: ONAN (Oil Natural Air Natural)
vHermetically sealed tank (fully filled)
- Bolted cover on tank
- Standard anti-corrosion treatment and coating
- Color: RAL 7033 grey
Description
Rated power (kVA): 160
Rated voltages (kV/V): Single primary 30 kV / 410 V (no-load secondary voltage)
High-voltage insulation level (kV): 36
Low-voltage insulation level (kV): 1.1
Short-duration power frequency withstand voltage at 50 Hz (kV): 70
Lightning impulse withstand voltage (kV): 170
Tapping range (%): ±2.5%, ±5%
Vector group: Dyn11
Frequency (Hz): 50
Short-circuit voltage at 75°C (%): 4.5
Full-load efficiency (cos = 0.8): 97.6%
Losses (W):
– No-load: 495 W
– Load (at 75°C): 2650 W
Losses and short-circuit voltage are subject to the tolerances specified in IEC 60076.
Features
Oil immerged transformer Copper coil
1 x Lockable adjustment switch located on the cover (operation off-line) 3 x High-voltage porcelain bushings according to DIN 42531 4 x Low-voltage porcelain bushings according to DIN 42530 2 x Earthing terminal on the cover 2 x Lifting and unhooking rings 1 x Nameplate in French 1 x Filling port 1 x Drainage device 1 x Hanging device