Power Transformer 35kV Power Transformer

35kV Power Transformer

Rated voltage	35kv-38kv
Rated capacity	6.3mva-100mva
Application scenarios	substations, industrial power systems, and renewable energy projects
Certifications & Standards	IEC 60076, IEEE C57, GB/T 1094 ISO 9001, ISO 14001, ISO 45001 Optional: CE, SGS test reports, CNAS lab testing

35kV power transformers are key medium-voltage equipment used in substations, industrial power systems, and renewable energy projects. Modern transformers must deliver high efficiency, low loss, stable voltage, and long service life.

Key Features & Advantages

Low Loss & High Efficiency: Optimized core and winding design reduce no-load and load losses.
Strong Short-Circuit Withstand: Reinforced windings ensure safety under faults.
Thermal Stability: Optimized cooling improves overload capacity.
Stable Voltage Regulation: On-load tap changer models maintain output voltage under load changes.
Long Service Life: High-quality insulation ensures reliability.
Low Noise: Suitable for urban substations.

SZ11-12500/35 —12.5MVA 35kV power transformer

Typical Applications

Regional & urban substations
Industrial parks and mining
Renewable energy plants (wind & solar)
Petrochemical and metallurgical industries
Railway traction substations

SF11-40000/35 35kv power transformer

Certifications

IEC 60076, IEEE C57, GB/T 1094
ISO 9001, ISO 14001, ISO 45001
Optional: CE, SGS test reports, CNAS lab testing

Factory Testing

Winding resistance
Transformer ratio
Vector group
Insulation resistance
No-load and load losses
Impedance & short-circuit test
Induced voltage & AC withstand voltage
Partial discharge
Oil dielectric strength

All tests comply with IEC and IEEE standards for safety and reliability.

35kV Power Transformer Parameter Specifications

Model	Rated Capacity (kVA)	HV Voltage (kV)	LV Voltage (kV)	Cooling	Tap Changer	Loss Level	Typical Application
S20-20000/35	20,000	35	10 / 11 / 6.6	ONAN / ONAF	Off-load	Ultra-low	Industrial substations, renewable energy plants
SF11-40000/35	40,000	35	10 / 11	ONAN / ONAF	Off-load	Low	Utility substations, power plants
SZ11-12500/35	12,500	35	10 / 11	ONAN / ONAF	On-load	Low	Voltage regulation substations
SFZ11-100000/35	100,000	35	10 / 11	ONAF / OFAF	On-load	Low	Large substations, transmission hubs