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S13 High Overload Capacity Distribution Transformer

The S13 High Overload Distribution Transformer is a kind of distribution transformer researched and developed to solve short-term rapid growth of power load. It mainly meets power requirements for rural public 10kV high load capacity power distribution in the operation area of State Grid Corporation, which effectively solves overload and burnout of the distribution transformer during festivals and busy farming season, guarantees safety and reliable power supply in the rural area, and meanwhile guarantees operation economy of the rural distribution transformer.

Technical Parameters
Product Advantages
External Dimensions of the Product
Features
Environment for Use

Model Description:

Technical Parameters:

Rated Capacity (KVA)	Voltage Combination and Tapping Range			Connection Group Grade	Idle Load Loss (W)	Load Loss (W)	No-Load Current (%)	Short-circuit Impedance (%)
	High-voltage (KV)	High-voltage Tapping Scope (%)	Low-voltage (KV)
50	10 10.5 11	±5 ±2×2.5	0.4	Dyn11/Yyn0	130	910/870	0.8	4
100					200	1580/1500	0.7
200					340	2730/2600	0.6

Note: the load loss above the slash in the table is only applicable for Dyn11 connection group, and the load loss value below the slash is applicable for Yyn0 connection group.

1. The high overload transformer has a high tolerance in high load resistance and transformer burnout due to overload. It can continuously run for over 6 hours at 1.5 times of the rated load, over 3 hours at 1.75 times of the rated load as well as over 1 hour at 2 times of the rated load. It can effectively solve the transformer burnout problem caused by short-time high overload.
2. The fully-sealed ripple structure is adopted for the oil tank, and the expansion coefficient is not less than 1.3, so as to guarantee no oil seepage or leakage at the specified working conditions and overload conditions.

Rated Capacity KVA	Weight Kg		Dimensions (mm) L × W × H	Gauge mm
Rated Capacity KVA	Body Lifting Weight	Total Weight	Dimensions (mm) L × W × H	Gauge mm
50	200	550	1200×750×1150	400×400
100	350	760	1250×800×1200	400×450
200	595	1040	1350×850×1300	550×550

1.Specially target to occasions such as low annual average load ratio in the rural area, short-term substantial growth of load during festivals, and busy farming season. Under the premise of guaranteeing basic power capacity, it meets the demand of both long-term power usage for small load and short-term power usage with overload.
2. The distribution transformer with high overload capacity has the features of energy saving, high efficiency, environmental protection, small no-load current, low reactive loss, strong resistance to short circuit and more.
1. Maximum temperature: +40℃/+104ºF;
2. Maximum daily average temperature: +30℃/+86ºF;
3. Maximum annual average temperature: +20℃/+68ºF;
4. Minimum temperature: -45℃/-49ºF;
5. Elevation shall not exceed 1000m;
6. Indoor or outdoor use.
Note: please make specific instructions in case of any special use conditions.