Product Introduction
Epoxy resin cast dry type transformer (CRT) is the "safety guard" in modern power distribution systems. It adopts advanced vacuum casting technology to completely encapsulate and cure the high and low voltage windings with epoxy resin to form a solid whole. Unlike traditional oil-immersed transformers, CRT belongs to the category of dry transformers, and does not contain flammable insulating oil inside, which fundamentally eliminates fire hazards. According to the core characteristics of Kechang products, this series of products is designed for places with high reliability and high safety requirements, and is an ideal choice to replace old oil-immersed transformers.
The ultimate fireproof and flame retardant: the F-class insulation system is used, and the flame-retardant epoxy resin shell is wrapped outside. In case of fire, it is non-flammable, smokeless and non-toxic, completely eliminating the risk of fire caused by leakage or overheating of oil-immersed transformers.
Maintenance-free sealing structure: Based on the characteristics of Kechang dry change technology, the coil is tightly structured, moisture-proof and rust-proof after vacuum pressure impregnation (VPI) and pouring. There is no need to change the oil or filter the oil regularly like oil immersion, and it is truly "maintenance-free for life".
Super environmental adaptability: The fully enclosed structure effectively resists the erosion of moisture, salt spray and chemical gases, especially suitable for coastal, underground and chemical environments, and its operating stability far exceeds that of ordinary open dry changes.
Excellent mechanical strength: The epoxy resin has extremely high hardness after curing, which can effectively resist the huge electric power of the short-circuit current, prevent deformation of the winding, and ensure that the performance of the equipment remains unchanged after the impact.
Energy saving, environmental protection and low noise: no-load loss and load loss are better than the national standard, and there is no oil pollution during operation, which meets the requirements of green buildings and sustainable development.
Applicable scenarios
High-rise buildings and commercial complexes
It installed in the basement or in the middle of the floor, close to the load center, without fire worries, to ensure the safety of personnel evacuation passages.
01
Hospital and lifeline engineering
Key areas such as operating rooms and ICUs have extremely high requirements for power supply continuity, and oil fume pollution is strictly prohibited. CRT is the best match.
02
Underground facilities and tunnels
Subways, underwater tunnels and other poorly ventilated spaces to avoid the disastrous consequences of oil leakage.
03
Coastal and chemical parks
High salt spray, high corrosion environment, relying on its excellent anti-corrosion and sealing properties.
Data center and precision manufacturing: provide pure, stable and interference-free power for servers and precision machine tools.
04
| Model Number | Rated Volume Quantity (KVA) |
Voltage Combination(KV) | Connecttion Group Label | No-load Loss (W) |
Load Loss (W) |
No-load Electricity (%) |
Short Circuit Resistance (%) |
||
| High Voltage | High Voltage Tap Range | Low Voltage | |||||||
| SC14-M-30 | 30 | 6 6.3 10 10.5 |
+3 -1 ±5% ±2×2.5% or ×2.5% |
0.4 | Dyn11 or Yyn0 |
130 | 640 | 2.0 | 4 |
| SC14-M-50 | 50 | 185 | 900 | 2.0 | 4 | ||||
| SC14-M-80 | 80 | 250 | 1240 | 1.5 | 4 | ||||
| SC14-M-100 | 100 | 270 | 1415 | 1.5 | 4 | ||||
| SC14-M-125 | 125 | 320 | 1665 | 1.3 | 4 | ||||
| SC14-M-160 | 160 | 365 | 1915 | 1.3 | 4 | ||||
| SC14-M-200 | 200 | 420 | 2275 | 1.1 | 4 | ||||
| SC14-M-250 | 250 | 490 | 2485 | 1.1 | 4 | ||||
| SC14-M-315 | 315 | 600 | 3125 | 1.0 | 4 | ||||
| SC14-M-400 | 400 | 665 | 3590 | 1.0 | 4 | ||||
| SC14-M-500 | 500 | 790 | 4390 | 1.0 | 4 | ||||
| SC14-M-630 | 630 | 910 | 5290 | 1.0 | 4 | ||||
| SC14-M-630 | 630 | 885 | 5365 | 0.85 | 6 | ||||
| SC14-M-800 | 800 | 1035 | 6265 | 0.85 | 6 | ||||
| SC14-M-1000 | 1000 | 1205 | 7315 | 0.85 | 6 | ||||
| SC14-M-1250 | 1250 | 1420 | 8720 | 0.85 | 6 | ||||
| SC14-M-1600 | 1600 | 1665 | 10555 | 0.85 | 6 | ||||
| SC14-M-2000 | 2000 | 2075 | 13005 | 0.7 | 6 | ||||
| SC14-M-2500 | 2500 | 2450 | 15445 | 0.7 | 6 | ||||
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