150 kVA Three Phase Dry Type Transformer
Primary Voltage: 10KV
Secondary Voltage: 0.4KV
Power Rating: 150 KVA
Connection Type: Dyn11/Yyno or others
Transformer Type: Dry Type Transformer/Cast Resin
Transformer Standards: ANSI/IEEE, CSA/CAN, DOE
Certificate: UL, cUL, CSA, SGS, CE
150 kVA dry-type transformer is one of the most common distribution equipment in power systems. It is suitable for medium-load scenarios and can meet the power distribution needs of small factories, office buildings and other places.
Core advantages of 150 kVA dry-type transformer
The 150 kVA dry-type transformer is a high-efficiency, high-quality transformer product. This type of transformer is a high-quality product suitable for various occasions, suitable for various types of loads, and can operate stably and reliably in different environments.
Dry-Type & Oil-Free
It adopts dry-type insulation and oil-free insulation structure, is maintenance-free and has no risk of oil leakage.
Copper Core & High Efficiency
It uses copper core manufacturing, which reduces raw material loss as much as possible and enables higher energy efficiency.
Compact & Lightweight
It has a compact structure, small size and light weight, reducing installation space and transportation cost.
Strong Adaptability
It has strong adaptability, a wide application range, and can withstand various types of loads.
Energy Saving
It has high operating efficiency and can achieve energy saving and environmental protection.
Excellent Protection
It has excellent protection performance such as moisture resistance, shock resistance, and fire resistance, which can ensure long-term stable operation and extend service life.
Application scenarios and installation requirements
150 kVA dry-type transformers are commonly used in:
- Commercial places: supermarkets, office buildings, with medium power demand
- Small residential communities: as the core equipment of distribution rooms
- Small factory workshops: to meet production line power demand
Installation Requirements
Maintain a safety distance of more than 1.5 meters around the transformer, avoid direct sunlight, and ensure good ventilation.
Selection considerations
- Calculate capacity based on actual load and reserve 20% redundancy.
- Confirm ambient installation temperature and select appropriate cooling method.
- Optional temperature controller and fan linkage device for intelligent operation and maintenance.
Operation and maintenance tips
During daily operation, regular inspection is required:
- Temperature indication: whether the temperature is normal (generally ≤ 120°C, alarm around 130°C)
- Sound condition: no abnormal noise or discharge sound
- Cleaning and maintenance: regular cleaning is required. To ensure safe operation of dry-type transformers, cleaning should be strengthened and, according to local conditions, the cleaning cycle should be shortened appropriately to remove dust accumulation that affects insulation performance
- Service life: generally 15–20 years, preventive tests are recommended every 5 years
About transformer price
Many customers are often confused about transformer prices when purchasing transformers. Taking 150 kVA and 500 kVA specifications as examples, why do products with seemingly similar parameters have such large price differences? This is because many customers only focus on the capacity parameters of “500 kVA” and “150 kVA”, while ignoring key factors such as insulation level, loss standards, and process details, which directly affect long-term operating costs and safety. Simply using capacity as the only pricing criterion may lead to increased electricity costs or frequent maintenance in the future, which is not cost-effective.
Still using 150 kVA and 500 kVA as examples, a 500 kVA transformer is more expensive than a 150 kVA transformer primarily due to increased raw material costs. The core (silicon steel sheet) usage, winding (copper or aluminum) cross-sectional area, and insulation material volume all increase significantly. More importantly, large-capacity transformers require higher standards in heat dissipation design, short-circuit resistance, and noise control. This requires higher-level structural design and stricter process control. Our company (CHBEB) produces SC(B) series large-capacity dry-type transformers, using better encapsulation processes and more reasonable air duct design to ensure temperature rise compliance, which all increase cost.
(Click to view the parameters and application scenarios of our 500 kVA dry-type transformer, and choose the transformer that is more suitable for your project.)
