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11kv kVA Fully Sealed High Efficiency Customizable Electrical Equipment Oil Immersed Power Transformer

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Beierbian Group Co., Ltd

Audited Supplier 2 years

Profile Certified by SGS/BV

Zhejiang, China
Bao (Mr.)
General Manager

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Model NO.:

S 13/20/22-M series Oil-Immersed Transformer

Application:

Power

Phase:

Three

Core:

Core-type Transformer

Cooling Method:

Oil-immersed Type Transformer

Winding Type:

Two-winding Transformer

Certification:

ISO9001-2000, ISO9001, CCC

Usage:

Single-phase Transformer, Power Transformer, Distribution Transformer

Frequency Characteristics:

Power Frequency

Shape of Core:

Ring

Capacity:

30kVA~20000kVA(20mva)

Quality Guarantee:

30 Years of Maintenance-Free

Guaranteed to Be Brand New:

New Silicon Steel Sheet

Test Report:

up to 25mva,

Nx(Energy Efficiency):

Level 1 /Level 2 Energy Efficiency,(Nx1/Nx2)

Trademark:

CHBEB

Transport Package:

Composite Board

Origin:

China

HS Code:

8504220000

Product Description

The S -M Series Oil-Immersed Distribution Transformer is a cutting-edge, three-phase marvel crafted to push the boundaries of reliability and performance beyond the S9 series. By meticulously refining loss coefficients and optimizing the delicate balance of copper-to-iron ratio, this remarkable transformer achieves an outstanding loss profile and cost-efficiency. The iron core, constructed from high-conductivity, low-loss silicon steel, is specifically designed to significantly reduce no-load losses, ensuring exceptional performance and efficiency.

For the high-voltage windings, a sophisticated multi-layer structure is expertly utilized, with transformers up to 500kVA boasting multi-layer low-voltage windings. As for transformers of 630kVA and above, an innovative spiral configuration for low-voltage windings is implemented, enhancing electrical performance and mechanical robustness, particularly during challenging short-circuit conditions.

A signature feature of this product is its advanced pan-seal structure, which effectively isolates the transformer oil from external air, preventing oil degradation and significantly enhancing operational reliability. The ingeniously designed oil tank utilizes corrugated plates to promote efficient oil circulation and improve heat dissipation. This elegantly simple yet robust design ensures precise welding, minimizes the risk of leaks, and optimizes fluid dynamics and thermal management, ensuring superior performance.

Table 1 Energy efficiency rating of 10 kV oil-immersed three-phase double-winding non-excitation voltage-regulating distribution transformer
Rated capacity kVA	S22 1 Class SH25						S20 2 Class SH21						S13 3 Class SH15						Short circuit impedance %
	Electrical steel strip			Amorphous alloy			Electrical steel strip			Amorphous alloy			Electrical steel strip			Amorphous alloy
	No-load loss W	Load loss W		No-load loss W	Load loss W		No-load loss W	Load loss W		No-load loss W	Load loss W		No-load loss W	Load loss W		No-load loss W	Load loss W
	No-load loss W	Dynl1/Yznll	Yyn0	No-load loss W	ynl1/Yznl	Yyn0	No-load loss W	Dynll/Yznl	Yyn0	No-load loss W	Dynl1/Yznl	Yyn0	No-load loss W	Dyn11/Yznl	Yyn0	No-load loss W	Dynl1/Yzn1	Yyn0
30	65	455	430	25	510	480	70	505	480	33	535	510	80	630	600	33	630	600	4.0
50	80	655	625	35	735	700	90	730	695	43	780	745	100	910	870	43	910	870
63	90	785	745	40	880	840	100	870	830	50	930	890	110	1090	1040	50	1090	1040
80	105	945	900	50	1060	1010	115	1050	1000	C0	1120	1070	130	1310	1250	60	1310	1250
100	120	1140	1080	60	1270	1215	135	1265	1200	75	1350	1285	150	1580	1500	75	1580	1500
125	135	1360	1295	70	1530	1450	150	1510	1440	85	1615	1540	170	1890	1800	85	1890	1800
160	160	1665	1585	80	1870	1780	180	1850	1760	100	1975	1880	200	2310	2200	100	2310	2200
200	190	1970	1870	95	2210	2100	215	2185	2080	120	2330	2225	240	2730	2600	120	2730	2600
250	230	2300	2195	110	2590	2470	260	2560	2440	140	2735	2610	290	3200	3050	140	3200	3050
315	270	2760	2630	135	3100	2950	305	3065	2920	170	3275	3120	340	3830	3650	170	3830	3650
400	330	3250	3095	160	3660	3480	370	3615	3440	200	3865	3675	410	4520	4300	200	4520	4300
500	385	3900	3710	190	4380	4170	430	4330	4120	240	4625	4400	480	5410	5150	240	5410	5150
630	460	4460		250	5020		510	4960		320	5300		570	6200		320	6200		4.5
800	560	5400		300	6075		630	6000		380	6415		700	7500		380	7500
1000	665	7415		360	8340		745	8240		450	8800		830	10300		450	10300
1250	780	8640		425	9720		870	9600		530	10260		970	12000		530	12000
1600	940	10440		500	11745		1050	11600		630	12400		1170	14500		630	14500
2000	1085	13180		550	14000		1225	14640		710	14800		1360	18300		720	18300		5.0
2500	1280	13360		670	15450		1440	14840		860	16300		1600	21200		865	21200		5.0

Our state-of-the-art production equipment guarantees the supreme quality of our products.
CHBEB has strategically invested in cutting-edge machinery from Germany and the U.S., establishing modern production lines that assure stable and reliable product quality.

Our dynamic team actively participates in prestigious international power exhibitions,
engaging directly with clients and presenting CHBEB's innovative products to a global audience.