Jiangsu Huachen Transformer Co.,Ltd.
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The On-Load Tap Power Transformer is suitable for power distribution systems where voltage fluctuation needs to be adjusted without interrupting power supply. Through on-load tap regulation, the transformer can respond quickly to voltage changes and support stable power output under changing load conditions.
The transformer and on-load tap changer adopt an integrated design, making the equipment more compact and convenient for installation. Its insulation structure is arranged reasonably to support reliable electrical performance, while the cooling design helps reduce winding temperature rise during operation.
The product is suitable for industrial power supply, utility distribution, large commercial power systems and other applications that require stable voltage regulation and reliable transformer operation.
The transformer supports on-load tap regulation with short response time. It can adjust voltage under load conditions, helping maintain stable power supply when system voltage fluctuates.
The main insulation structure is arranged reasonably, providing good insulation performance and supporting reliable transformer operation.
The product adopts precise cooling design to reduce winding temperature rise during operation. This supports stable thermal performance and improves product reliability.
The transformer and on-load tap changer are designed as an integrated unit. This structure simplifies installation and supports more convenient equipment arrangement.
Product Model | Rated Capacity (kVA ) | Connection Group Code | Voltage Combination (kV) | No-load Loss (W) | Load Loss (W) | No-load Current (%) | Short-circuit Impedance % | ||||
High Voltage | Tap Range | Low Voltage | B 100℃ | F 120℃ | H 145℃ | ||||||
SCZ11-2000 | 2000 | Dyn11 Yyn0 | 35 36 37 38.5 | ±4×2.5% | 6 6.3 10 10.5 11 | 4050 | 17900 | 19000 | 20300 | 0.65 | 7 |
SCZ11-2500 | 2500 | 4690 | 21300 | 22600 | 24200 | 0.65 | |||||
SCZ11-3150 | 3150 | 5670 | 24000 | 25400 | 27200 | 0.6 | 8 | ||||
SCZ11-4000 | 4000 | 6640 | 28700 | 30400 | 32600 | 0.6 | |||||
SCZ11-5000 | 5000 | 7850 | 34000 | 36100 | 38600 | 0.5 | |||||
SCZ11-6300 | 6300 | 9270 | 39400 | 41800 | 44700 | 0.5 | |||||
SCZ11-8000 | 8000 | 10600 | 44800 | 47500 | 50800 | 0.45 | 9 | ||||
SCZ11-10000 | 10000 | 12100 | 53900 | 57100 | 61200 | 0.45 | |||||
SCZ11-12500 | 12500 | 14700 | 62700 | 66500 | 71100 | 0.35 | |||||
SCZ11-16000 | 16000 | 18100 | 73800 | 78200 | 83700 | 0.35 | |||||
SCZ11-20000 | 20000 | 21400 | 83000 | 88000 | 94200 | 0.3 | 10 | ||||
SCZ11-25000 | 25000 | 25200 | 98200 | 104000 | 111000 | 0.3 | |||||
The On-Load Tap Power Transformer is suitable for power systems that require voltage adjustment during operation. It can regulate voltage under load conditions, helping the power system respond to voltage fluctuation and maintain stable output.
For projects with changing load demand or strict voltage stability requirements, Huachen provides product selection and configuration support according to rated capacity, voltage class, tap range, connection group, installation environment and voltage regulation requirements.
Huachen provides support for product selection, manufacturing, testing, installation and after-sales service. For on-load tap power transformer projects, the technical team can assist with product configuration, project communication, production coordination, testing support, installation guidance and delivery support according to project requirements.
With manufacturing capability, testing capability and project service experience, Huachen supports customers in applying on-load tap power transformers to industrial power supply, utility distribution and power regulation systems.
The On-Load Tap Power Transformer is mainly used in power distribution systems where stable voltage regulation is required during operation.
It is suitable for:
Industrial power supply systems
Utility distribution substations
Large commercial power distribution systems
Power systems with changing load demand
Applications requiring on-load voltage adjustment
Projects requiring stable voltage output and reliable transformer operation
Its main function is to regulate voltage under load conditions, helping maintain stable voltage output during load changes or grid voltage fluctuation.
On-load tap regulation allows voltage adjustment while the transformer is operating, reducing the need for power interruption during voltage adjustment.
The product adopts an integrated design of transformer and on-load tap changer, making installation more convenient.
The transformer adopts precise cooling design to reduce winding temperature rise and support stable thermal performance.
The high-voltage side can be configured for 35kV, 36kV, 37kV or 38.5kV. The low-voltage side can be configured for 6kV, 6.3kV, 10kV, 10.5kV or 11kV.
The tap range is ±4 × 2.5%.
The rated capacity range shown in the technical specifications is from 2000kVA to 25000kVA.
The available connection groups are Dyn11 and Yyn0.
