Table of Contents
Overview of ONAN Transformers
| model | Rated capacity （KVA） | Voltage combination（KV） | Off-load losses（W） | Load losses（W） | Off-load current （%） | Short-circuit voltage （%） |
| SC10-800 | 800 | 33,35,38/6,6.3,6.6,10,11 | 2200 | 9400 | 1.1 | 6.0 |
| SC10-1000 | 1000 | Voltage combination（KV） | 2610 | 10800 | 1.1 | 6.0 |
| SC10-1250 | 1250 | 6,6.3,6.6,10,11/0.4 | 3060 | 11900 | 1.0 | 6.0 |
| SC10-1500 | 1500 | Voltage combination（KV） | 3600 | 15400 | 1.0 | 6.0 |
| SC10-2000 | 2000 | 6,6.3,6.6,10,11/0.4 | 4130 | 18200 | 0.9 | 7.0 |
| SC10-2500 | 2500 | Voltage combination（KV） | 4750 | 21800 | 0.9 | 7.0 |
| SC10-3150 | 3150 | 6,6.3,6.6,10,11/0.4 | 5880 | 24500 | 0.8 | 8.0 |
| SC10-4000 | 4000 | Voltage combination（KV） | 6860 | 29400 | 0.8 | 8.0 |
| SC10-5000 | 5000 | 6,6.3,6.6,10,11/0.4 | 8180 | 34960 | 0.7 | 8.0 |
| SC10-6300 | 6300 | Voltage combination（KV） | 9680 | 40800 | 0.7 | 8.0 |
| SC10-8000 | 8000 | 6,6.3,6.6,10,11/0.4 | 11000 | 46060 | 0.6 | 9.0 |
| SC10-10000 | 10000 | Voltage combination（KV） | 12660 | 56500 | 0.6 | 9.0 |
| SC10-12500 | 12500 | 6,6.3,6.6,10,11/0.4 | 15400 | 64600 | 0.5 | 9.0 |
| SC10-16000 | 16000 | Voltage combination（KV） | 18900 | 76000 | 0.5 | 9.0 |
| SC10-20000 | 20000 | 6,6.3,6.6,10,11/0.4 | 22400 | 85500 | 0.4 | 10.0 |
ONAN transformers, also known as Oil Natural Air Natural transformers, are widely utilized in various industries for their reliable performance and efficiency. These transformers use oil for cooling and air for circulation, making them suitable for a range of applications, from power distribution to industrial setups.
The 5000 kVA transformer is a significant model in the ONAN category, providing robust power handling capabilities. This transformer is designed to meet the demands of medium to large-scale electrical systems, ensuring that energy is transmitted effectively while maintaining optimal operational temperatures.
The Role of Chinese Companies in Transformer Manufacturing
China has emerged as a global leader in transformer manufacturing, with numerous companies specializing in high-capacity transformers like the ONAN series. These companies adhere to international standards, ensuring that their products meet rigorous quality and safety requirements.
Among these manufacturers, several have achieved ISO 9001 certification, which signifies their commitment to quality management and continuous improvement. This certification assures customers that the transformers produced are reliable and meet the stringent standards necessary for industrial applications.
Benefits of ISO 9001 Certification
ISO 9001 certification provides a framework for consistent quality management across manufacturing processes. For companies producing ONAN transformers and similar equipment, this means enhanced reliability and customer satisfaction. Certified companies often have streamlined processes that reduce waste and improve product quality.
By choosing transformers from ISO 9001 certified manufacturers, clients can be confident in the durability and performance of their equipment. This is especially crucial in industries where downtime can result in significant financial losses, making quality assurance an essential factor in purchasing decisions.
