Product Overview

Capacity: upto 2500 KVA of voltage class up to 33kv

Makpower takes pride in presenting Energy-Efficient Distribution Transformers which are a pinnacle in transformer technology. We are one of the few leaders in the Industry having BIS Certification for manufacturing Distribution Transformers up to 2500 KVA 33KV Energy Efficiency Level III as per the latest amendment i.e., No. 4 to IS:1180.

Key Features:
• The efficiency of distribution transformers ranges from 25 KVA to 6000 KVA capacity.
• The distributor transformer functions in versatile voltage options of 3.3KV/6KV/6.6KV/11KV/22KV/33KV
• There are two types of distribution transformers available in both indoor and outdoor configurations for higher adaptability.
• With a default option of Dyn-11, these transformers are configured to meet specific requirements.
• Uses EHV-grade oil, meeting the stringent IS: 335 specifications.
• Complies with IS: 1180 & IS: 2026 for reliability and quality assurance.

Technical Specifications

The following distributor transformer specifications make it versatile and unique in the market.
• Capacity - 25KVA to 6000 KVA
• Rated Voltage (Primary) - 3.3KV/6KV/6.6KV/11KV/22KV/33KV
• Type - Indoor or Outdoor
• Vector Group - Dyn-11 (or any other group as per requirement)
• Frequency - 50Hz.
• Tappings - ±5%, ±7.5%, ±10% ( or any other Tapping as per requirement)
• Temperature Rise - As per IS 2026 / IS 1180
• Cooking - Naturally oil cooled (ONAN)
• Winding Material - Copper
• Grade of Oil - EHV Grade, as per IS: 335
• Standard - IS: 1180 & IS: 2026

Sl No.	Rating (kVA)	Impedance (Percent)	Maximum Total Loss (W)
			Energy Efficiency Level 1		Energy Efficiency Level 2		Energy Efficiency Level 3		Energy Efficiency Level 4		Energy Efficiency Level 5
			50 Percent Load	100 Percent Load	50 Percent Load	100 Percent Load	50 Percent Load	100 Percent Load	50 Percent Load	100 Percent Load	50 Percent Load	100 Percent Load
1.	16	4.50	135	440	120	400	108	364	97	331	87	301
2.	25	4.50	190	635	175	595	158	541	142	493	128	448
3.	63	4.50	340	1140	300	1050	270	956	243	870	219	791
4.	100	4.50	475	1650	435	1500	392	1365	352	1242	317	1130
5.	160	4.50	670	1950	570	1700	513	1547	462	1408	416	1281
6.	200	4.50	780	2300	670	2100	603	1911	543	1739	488	1582
7.	250	4.50	980	2930	920	2700	864	2488	811	2293	761	2113
8.	315	4.50	1025	3100	955	2750	890	2440	829	2164	772	1920
9.	400	4.50	1225	3450	1150	3330	1080	3214	L013	3102	951	2994
10.	500	4.50	1510	4300	1430	4100	1354	3909	1282	3727	1215	3554
11.	630	4.50	1860	5300	1745	4850	1637	4438	1536	4061	1441	3717
12.	800	5.00	2287	6403	2147	5838	2015	5323	1892	4853	1776	4425
13.	1000	5.00	2790	7700	2620	7000	2460	6364	2310	5785	2170	5259
14.	1250	5.00	3300	9200	3220	8400	3142	7670	3066	7003	2991	6394
15.	1600	6.25	4200	11800	3970	11300	3753	10821	3547	10363	3353	9924
16.	2000	6.25	5050	15000	4790	14100	4543	13254	4309	12459	4088	11711
17.	2500	6.25	6150	18500	5900	17500	5660	16554	5430	15659	5209	14813

Benefits & Applications

Benefits

•  These transformers can achieve level III energy efficiency minimizing energy wastage.
•  There is a wide range of distribution transformer voltage and capacities for diverse applications.
•  Following the BIS and IS standards, these transformers ensure quality and dependability.
•  Copper welding and high-grade oil make them effective for long-term use.

Applications

The following is a list of applications of distribution transformers -
•  Industrial Sector: Suitable for a range of industries requiring reliable power distribution.
•  Utilities: Suitable for outdoor use in utility applications.
•  Infrastructure Projects: Versatile options for different voltage requirements in large-scale projects.
•  Energy Conservation: Level III Energy Efficiency supports sustainable and eco-friendly practices.

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FAQ

What is a Distribution transformer?

A Distribution Transformer is a type of transformer designed for the final delivery of electric power to end-users, typically at lower voltages.

Can I customize the voltage ratings for these transformers?

Yes. You can choose from a range of rated voltages, including 3.3KV, 6KV, 6.6KV, 11KV, 22KV, and 33KV.

Are these transformers suitable for indoor and outdoor applications?

Yes, our transformers are available in both indoor and outdoor configurations for maximum adaptability.

How does the cooling system work for these transformers?

We use natural oil cooling for our transformers. It is effective in heat dissipation and optimal performance.

Which standards do these transformers comply with?

Our Energy-Efficient Distribution Transformers comply with IS: 1180 and IS: 2026 to ensure reliability and quality.

What is the difference between a Distribution and a Power transformer?

Power transformer vs distribution transformer:
• A distribution transformer is a particular kind of transformer used to supply electricity to consumers in the end, usually at lower voltages. On the other hand, a Power Transformer is employed for the long-distance transmission of high-voltage power.
• Distribution Transformers are typically smaller, lighter, and designed for lower voltage levels, while Power Transformers are larger and built for high-voltage transmission.

What are the advantages and disadvantages of distribution transformers?

Distribution Transformers offer localized voltage transformation, improving efficiency and minimizing power losses in the distribution network. They are compact, cost-effective, and essential for safe power delivery to homes and businesses.
Despite these advantages, distribution Transformers are optimized for local power distribution but may not be suitable for long-distance power transmission due to their lower voltage ratings. Power Transformers, on the other hand, are designed for high-voltage, long-distance transmission.

How is the Distribution transformer testing procedure carried out?

The testing procedure for Distribution Transformers involves various parameters, including insulation resistance, turns ratio, oil quality, and temperature rise. These tests ensure the transformer's reliability and compliance with industry standards.

Distribution Transformers