SC(B)H17 Amorphous Alloy Dry‑Type Distribution Transformer

Features :
✅ Amorphous alloy core, hysteresis loss only 20‑30% of silicon‑steel core
✅ H‑class insulation material, thermal resistance up to 180℃, design life over 30 years
✅Epoxy vacuum cast, flame‑retardant, explosion‑proof, oil‑free & 100% recyclable core
✅Outstanding energy‑saving: 70‑80% reduction of no‑load loss, huge annual kWh savings
✅ Ultra‑low noise, suitable for hospital, school and noise‑sensitive indoor locations
✅Strong short‑circuit withstand, stable operation under high‑humidity conditions
✅Wide ambient temperature:‑25℃ ~ +45℃
✅ Forced‑air cooling supports short‑term overload operation
✅Real‑time intelligent winding temperature monitoring & fault risk prediction
✅Copper winding as standard, aluminum winding optional
✅Custom tap‑changer & anti‑condensation heater available
✅Capacity range: 30kVA‑2500kVA, IEC compliant

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Main Overview

SC(B)H17 amorphous alloy dry‑type transformer adopts high‑performance amorphous alloy core material, whose hysteresis loss is merely 20‑30 % compared with conventional silicon‑steel core. High‑voltage windings are fully sealed via epoxy resin vacuum casting, adopting Class‑H insulation resistant up to 180 °C with more than 30‑year design service life.

Oil‑free flame‑retardant construction eliminates fire hazard; core material is fully recyclable. It delivers dramatic no‑load loss reduction, ultra‑quiet running and strong adaptability for high‑humidity environments. Taking 1000 kVA unit as example, annual energy saving exceeds 15000 kWh with large‑volume lifecycle CO₂ reduction. Capacity covers 30 kVA‑2500 kVA, ideal premium‑grade choice for carbon‑neutral‑focused projects.

Meaning of Model Number：

Meaning of Model Number	S	C	(B)	H	17	-	□	/	□
	Three-phase	Epoxy resin cast type	Low voltage foil wound coils can be used	Amorphous alloy	Performance level code		Rated capacity kVA		Voltage class kV

Product features:

1. Top‑tier Ultimate Energy‑saving Performance
Amorphous alloy core cuts hysteresis loss down to 20‑30 % of silicon‑steel sheets, achieving 70‑80 % no‑load‑loss reduction. For a 1000 kVA transformer, annual energy saving surpasses 15 000 kWh, bringing substantial OPEX saving and remarkable lifecycle CO₂ emission reduction.

2. Strong Environmental & Humidity Adaptability
High‑voltage winding adopts full epoxy vacuum casting technology. Mechanical strength and short‑circuit withstand capability are greatly improved, supporting stable long‑term operation under high‑humidity ambient conditions. Operating temperature range:‑25 ℃ ~ 45 ℃.

3. Ultra‑quiet Operation for Sensitive Sites
Amorphous alloy material features low magnetostriction effect, generating far lower operating noise. Perfectly fits noise‑critical locations such as hospitals, schools and downtown indoor substations.

4. H‑grade Insulation for Long Service Life
Class‑H high‑temperature‑resistant insulation material tolerates up to 180 °C, with design insulation service life exceeding 30 years. Real‑time winding temperature monitoring system realizes early fault risk prediction to secure equipment safety.

5. Eco‑friendly Green Design
Amorphous core material is 100 % recyclable. Complete oil‑free structure removes fire risks, fully complying with international environmental‑protection directives for green power‑distribution projects.

6. Intelligent Thermal Protection & Flexible Customization
Equipped with real‑time temperature monitoring system. Optional forced‑air cooling, off‑circuit tap‑changer and anti‑condensation heater to satisfy diverse site‑specific requirements. Copper winding as standard; aluminum winding is available as alternative.

Main performance parameter table for SC(B)H17 amorphous alloy dry-type transformer：

Model	Rated capacity （kVA）	Vector group	Voltage combination（kV）			No-load loss （W）	Load loss（W）120℃ （F）	No-load current （%）	Impedance voltage （%）
Model	Rated capacity （kVA）	Vector group	High voltage	Tapping range	Low voltage	No-load loss （W）	Load loss（W）120℃ （F）	No-load current （%）	Impedance voltage （%）
SC(B)H17-30	30	Dyn11	6 6.3 6.6 10 10.5 11	±2.5% ±5%	0.4	60	640	0.6	4
SC(B)H17-50	50					75	900	0.5
SC(B)H17-80	80					100	1240	0.5
SC(B)H17-100	100					110	1415	0.5
SC(B)H17-125	125					130	1665	0.4
SC(B)H17-160	160					145	1915	0.4
SC(B)H17-200	200			±2x2.5% ±5%		170	2275	0.4
SC(B)H17-250	250					195	2485	0.4
SC(B)H17-315	315					235	3125	0.3
SC(B)H17-400	400					265	3590	0.3
SC(B)H17-500	500					305	4390	0.3
SC(B)H17-630	630					360	5290	0.3
SC(B)H17-630	630					350	5365	0.3	6~8
SC(B)H17-800	800					410	6265	0.3
SC(B)H17-1000	1000					470	7315	0.2
SC(B)H17-1250	1250					550	8720	0.2
SC(B)H17-1600	1600					645	10555	0.2
SC(B)H17-2000	2000					850	13005	0.2
SC(B)H17-2500	2500					1020	15445	0.2

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