Product Details

Good Performance Oil-immersed step down transformer 500kVA/11/0.4

Model	Rated capacity (KVA)	Connection symbol	Voltage combination (KV)			No-load loss (W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
Model	Rated capacity (KVA)	Connection symbol	High- voltage	Tapping range	Low- voltage	No-load loss (W)	Load loss (W)	No-load current (%)	Short circuit impedance (%)
S11-M-30	30	Yyn0 or Dyn11				100	600	2.3	4.0
S11-M-50	50					130	870	2.0	4.0
S11-M-63	63					150	1040	1.9	4.0
S11-M-80	80					180	1250	1.9	4.0
S11-M-100	100					200	1500	1.8	4.0
S11-M-125	125					240	1800	1.7	4.0
S11-M-160	160					280	2200	1.6	4.0
S11-M-200	200					340	2600	1.5	4.0
S11-M-250	250		6			400	3050	1.4	4.0
S11-M-315	315		6.3	±5%		480	3650	1.4	4.0
S11-M-400	400		10	or	0.4	570	4300	1.3	4.0
S11-M-500	500		10.5	±2×2.5%		680	5100	1.2	4.0
S11-M-630	630		11			810	6200	1.1	4.5
S11-M-800	800					980	7500	1.0	4.5
S11-M-1000	1000					1150	10300	1.0	4.5
S11-M-1250	1250					1360	12800	0.9	4.5
S11-M-1600	1600					1640	14500	0.8	4.5
S11-M-2000	2000					2280	17820	0.6	5.0
S11-M-2500	2500					2700	20700	0.6	5.0

Pictures:

Products Features:

1. The transformer core is stacked by imported high-quality cold-rolled silicon steel sheet, which reduces no-load loss and no-load current greatly, and makes the core bound to ensure compactness of the core and reduce noise.

2. High-low voltage winding is wound with oxygen-free cooper, low-voltage winding of 500kVA and below adopts double layer cylinder structure, that of 630kVA and above adopts double helix and four helix structure, and high-voltage winding adopts multilayer cylinder structure.

3. Transformer winding connection adopts Dyn11 to reduce influences of harmonic wave on the power grid and improve power supply quality.

4. The transformer is of full-sealed structure to prolong the shelf life and avoid suspended core use and maintenance.

5. The measured noise level is below the standard.

No suspended-core inspection is needed for this series of transformer after normal transportation and relevant unloading parts can be installed immediately, test for acceptance items shall be performed and it can be put into operation after passing the test.

Service Conditions:

1. Maximum ambient temperature: +40°C

2. Minimum ambient temperature: -25°C

3. Altitude: <1000m

4. Maximum monthly average relative humidity: 90% (20°C)

5. Installation site: installed on sites without fire, explosion hazard, serious pollution, chemical corrosion or violent vibration, indoor or outdoor.

Company Pictures:

Certifications: