Product Introduction
On-load voltage regulating step-down transformer is the core transformer equipment launched by Kechang Electric for industrial power distribution, infrastructure and commercial projects. It is mainly used to stably convert medium and high voltage to low voltage levels to meet the safe power consumption needs of terminal loads.
During the production process, Kechang Electric strictly optimizes the matching design of the winding structure, insulation system and iron core material, so that the transformer maintains excellent electrical performance and energy efficiency in long-term operation. Products can be customized with different capacities, voltages, cooling methods and protection levels according to project needs, adapt to various working conditions, provide flexible solutions for engineering contractors and end users, and effectively reduce project costs caused by parameter mismatches.
Product Features
Competitive advantage
Low loss, energy saving and power saving optimize electromagnetic design, reduce no-load and load losses, and help users reduce long-term operating costs.
01
Reliable insulation, long life, high-standard insulation system, improve heat resistance and anti-aging ability, and extend the service life of equipment.
02
Support customized design, capacity, voltage, size, protection level, and wiring group can be customized to meet the special requirements of the project.
03
Strictly test each product before leaving the factory, complete a full set of routine tests and type tests, and provide test reports.
04
Safe and environmentally friendly, stable operation, low noise and high safety, suitable for densely populated places such as industrial areas and commercial buildings.
05
The Reason for Choosing Kechang Electric
Professional manufacturer, mature R&D and manufacturing capabilities.
Strict quality control system, complete certification (ISO9001, ISO14001, CE, etc.)
Support OEM/ODM customized services.
Fully inspected at the factory, reliable quality.
Shipped worldwide, standard export packaging.
Professional after-sales and technical support.
Product application scenarios
Industrial production and distribution
Provide stable low-voltage power supply for production lines, power equipment, and auxiliary systems to ensure continuous production.
Commercial and public buildings
It is widely used in shopping malls, office buildings, hospitals, schools and other places with high requirements for the continuity of power supply.
Infrastructure engineering
It is suitable for power distribution links such as transportation, municipal engineering, energy supporting, etc.
Park and factory substations
As the core equipment of medium voltage to low voltage, it improves the stability and safety of the overall power distribution system.
Data center and New Energy
High stability, high safety performance, support data center and new energy supporting power supply.
Technical Specification
| Model Number | Rated Volume Quantity (KVA) |
Voltage Combination(KV) | Connection Group Label | No-load Loss (W) |
Load Loss (W) |
No-load Electricity (%) |
Short Circuit Resistance (%) |
||
| High Voltage |
High Voltage Tap Range | Low Voltage | |||||||
| S13-630 | 630 | 35 | ±5% or ±2×2.5% |
3.15 6.3 10.5 |
yd11 | 580 | 7860 | 0.65 | 6.5 |
| S13-800 | 800 | 690 | 9400 | 0.65 | 6.5 | ||||
| S13-1000 | 1000 | 810 | 11500 | 0.65 | 6.5 | ||||
| S13-1250 | 1250 | 980 | 13900 | 0.55 | 6.5 | ||||
| S13-1600 | 1600 | 1180 | 16600 | 0.45 | 6.5 | ||||
| S13-2000 | 2000 | 1520 | 18300 | 0.45 | 5.5 | ||||
| S13-2500 | 2500 | 1790 | 19600 | 0.45 | 6.5 | ||||
| S13-3150 | 3150 | 35 38.5 |
±5% or ±2×2.5% |
3.15 6.3 10.5 |
2130 | 23000 | 0.45 | 7 | |
| S13-4000 | 4000 | 2530 | 27300 | 0.45 | 7 | ||||
| S13-5000 | 5000 | 3020 | 31300 | 0.45 | 7 | ||||
| S13-6300 | 6300 | 3670 | 35000 | 0.45 | 8 | ||||
| S13-8000 | 8000 | 35 38.5 |
±5% or ±2×2.5% |
3.15 3.3 6.3 6.6 10.5 |
ynd11 | 5040 | 38400 | 0.35 | 8 |
| S13-10000 | 10000 | 6090 | 45300 | 0.35 | 8 | ||||
| S13-12500 | 12500 | 7000 | 53800 | 0.30 | 8 | ||||
| S13-16000 | 16000 | 8470 | 65800 | 0.30 | 8 | ||||
| S13-20000 | 20000 | 10080 | 79500 | 0.30 | 8 | ||||
| S13-25000 | 25000 | 11900 | 94000 | 0.25 | 10 | ||||
| S13-31500 | 31500 | 14140 | 112000 | 0.25 | 10 | ||||
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