IS 1180 energy efficiency level 2 transformer manufacturers in india

Prestige Quality energy efficiency level 2 as per IS 1180:2014 (Part I) suppliers in africa, view energy efficiency level of transformer price in india

As per the Electrical Transformer  or the Quality Control Order, it is mandatory that No Electrical Transformers will be manufactures by the energy efficiency level 2 transformer manufacturers in India for store for sale, selling or distribution for those products which do not confirm to the specified standard.

 

 

 

World-Class Energy efficient transformer manufacturers in India, is 1180 energy efficiency level 2 Exporter in india

The revised IS 1180 (Part 1): specification covers various aspects such as  engineering, manufacture, stage testing, assembly, as well as inspection and testing before supply and delivery at site. Typically the sites is 1180 energy efficiency level 2  where there are immersions of mineral oil, natural air 11/0.433 – 0.250 KV Distribution Transformers. These energy efficiency level of transformer have been meant for outdoor use in power distribution systems with nominal system voltages.

In the revised session the different categories of energy transformers have been discussed. According to these categories the transformers have been divided, as level one, two and three. In revised IS 1180 specification there are three energy efficiency levels and for each categories, maximum values of total losses have been defined on basis of both 50% load as well as 100% load.

We are one of the leading Energy effiecient transformer manufacturers in India.

 

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High-efficiency transformers make financial benefits for the society. Other than diminished greenhouse gas emanations, they progress reliability and deliver possibly longer benefit life by bringing down temperature rises through energy-efficiency advancements. India has, by presently, received the universal IEC standards as well as presented star naming for chosen categories of transformers.Most power losses happen within the transformer core made up of magnetic steel or within the electrical coils or windings of either aluminium or copper.Copper diminishes load loss, since it could be a more proficient conductor.

The significant Indian standard for distribution transformers (DTs) IS:1180/1989 has been changed within the year 2014 as IS:1180 (Part1)/2014 by Bureau of Indian Standard (BIS) subsequently superseding IS:1180 (Portion 1 and 2)/1989 both for fixed and non-sealed sort. This standard advance prescribes numerous reviewing with respect to vitality effectiveness, i.e. three energy-efficiency levels: level 1, level 2 and level 3 of transformers comparing to 3 star, 4 star and 5 star named transformers separately, as endorsed by BEE (moreover as per CEA required rules)

 

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Phase	Three Phase
Frequency	50 Hz
Winding Material	Copper/Aluminium
Ratings	Upto 200 kVA
Primary voltage	Upto 11000 V
Secondary Voltage	433 V
Temperature Rise	35 C / 40 C
energy efficiency level 2 transformer manufacturers in india export to	Tanzania, India, Africa, Rwanda, Kenya, Nigeria, Bangladesh, Malaysia Malawi, Nepal, Uganda

 

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 For Final is 1180 energy efficiency level 2 transformer price Please Mail Us on info@rajasthanpower.in

 

A Full Range Of Energy Efficient Distribution Transformers manufacturers in india

 

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Star Rating Distribution Transformers with Energy efficiency level 2 as per IS 1180:2014 (Part I)

• Maximum Ambient Temperature=45°C
• Oil temperature Rise: 35°C
• Winding Rise: 40°C
• Tap switch: NIL(For 16 KVA to 100 KVA)
• Type Of Winding Aluminum wound Off circuit Tap switch: +5% to -5% @ 2.5%(For 160 & 200 KVA)

 

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• TOC (Total Owning cost) = IC+ (A X Wi ) +(B X Wc)
• IC = Initial cost (unit end cost without tax) of transformer as quoted by the bidder.
• Wi  = No Load losses quoted by the bidder in Watt
  Wc  = Full load losses at 75 °C quoted by the bidder in Watt
• A Factor = Cost of no load losses in Rs/ Watt
  B Factor = Cost of full load losses at 75 °C in Rs. / Watt

Details of Factor A& Factor B for different rating distribution transformers are as under.

Sr. No	Capacity	Level	Factor A (Rs./Watt)	Factor B (Rs./Watt)
1	5 KVA to 500 KVA	Level 1	136.54	82.85
2	5 KVA to 500 KVA	Level 2	246.76	136.46

 

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Distribution Transformer in KVA	Level 1 rated Transformer		Level 2 rated Transformer
	*Total loss in watts at 100 % loading should not be lower than (Not equal to)	*Total loss in watts  at 100 %        loading should not be higher than	*Total loss in watts at 100 % loading should not be lower than (Not equal to)	*Total loss in watts at 100 %      loading should not be higher than
5	95	115	75	95
10	240	270	215	240
16	440	480	400	440
25	635	695	595	635
63	1140	1250	1050	1140
100	1650	1800	1500	1650
200	2300	2700	2100	2300
500	4300	4750	4100	4300

 

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Rating of Transformer in KVA	Percentage Impedance at 750C
5 KVA	4.00 %
10 KVA to 100 KVA	4.50 %
200 KVA & 500 KVA	4.75%

 

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Temperature Rise				5 KVA	10 to 500 KVA
Top    oil    temperature thermometer	rise	measured	by	30 deg.C	35 deg.C
Winding     temperature resistance	rise	measured	by	35 deg.C	40 deg.C

 

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1. Measurement of winding resistance (at all taps if applicable) [IS2026 (Part1)].
2. Measurement of voltage ratio, polarity, phase sequence and vector group[IS2026(Part1)].
3. Measurement of short-circuit impedance (principal tapping, when applicable)
4. Load losses at rated current and normal frequency,at50 % and100 % load [IS2026(Part1)].
5. Measurement of no-load loss and current [IS2026(Part1)].
6. Measurement of insulation resistance [IS2026(Part1)].
7. Induced over-voltage withstand test[IS2026 (Part3)].
8. Separate-source voltage withstand test [IS2026(Part3)].
9. Pressure and vacuum test(as per IS: 1180-2014).
10. Oil leakage test(as per IS: 1180-2014).
11. Neutral current measurement, shall not be more than 2% of full load current (CEA Guideline 2008 clause no 34.9)
12. Oil samples (one sample per lot) to comply with IS 1866.
13. Measurement of no load losses and magnetizing current at rated frequency and at 90%, 100%and 112.5% voltage

 

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In revised IS specification, losses for each rating for each category have been defined in three levels which are denoted by as follows;

• a) Energy Efficiency Level 1
• b) Energy Efficiency Level 2
• 3) Energy Efficiency Level 3

In each level maximum losses (No Load Loss + Load Loss) at 50% load & 100% load have been specified for each rating in all categories.

a) Three phase distribution transformers upto and including 200KVA, 11KV Class

Sl. No.	Rating (KVA)	% Z	Energy Efficiency Level 1		Energy Efficiency Level 2
			@ 50%	@ 100%	@ 50%	@ 100%
1	16KVA	4.5%	150W	480W	135W	440W
2	25KVA	4.5%	210W	695W	190W	635W
3	63KVA	4.5%	380W	1250W	340W	1140W
4	100KVA	4.5%	520W	1800W	475W	1650W
5	160KVA	4.5%	770W	2200W	670W	1950W
6	200KVA	4.5%	890W	2700W	780W	2300W

 

b) Three phase distribution transformers Higher than 200KVA upto and including 2500KVA, 11KV Class

Sl. No.	Rating (KVA)	% Z	Energy Efficiency Level 1		Energy Efficiency Level 2
			@ 50%	@ 100%	@ 50%	@ 100%
1	250KVA	4.5%	1050W	3150W	980W	2930W
2	315KVA	4.5%	1100W	3275W	1025W	3100W
3	400KVA	4.5%	1300W	3875W	1225W	3450W
4	500KVA	4.5%	1600W	4750W	1510W	4300W
5	630KVA	4.5%	2000W	5855W	1860W	5300W
6	1000KVA	5.0%	3000W	9000W	2790W	7700W
7	1250KVA	5.0%	3600W	10750W	3300W	9200W
8	1600KVA	6.25%	4500W	13500W	4200W	11800W
9	2000KVA	6.25%	5400W	17000W	5050W	15000W
10	2500KVA	6.25%	6500W	20000W	6150W	18500W

 

 

Sl. No.	Rating (KVA)	% Z	Energy Efficiency Level 1		Energy Efficiency Level 2
			@ 50%	@ 100%	@ 50%	@ 100%
1	5KVA	4.0%	40W	115W	35W	95W
2	10KVA	4.0%	70W	190W	60W	170W
3	16KVA	4.0%	95W	265W	82W	224W
4	25KVA	4.0%	125W	340W	110W	300W

Further to above it is also observed that IS 1180 are now also applicable for 22KV & 33KV class transformers, losses values for 22KV & 33KV class transformers shall be applicable as per below clause:

• a) For transformers having voltage class above 11KV and upto and including 22KV, the permissible total loss value shall not exceed by 5% of the maximum total losses values mentioned in table a) & b) for three phase.
• b) For transformers having voltage class above 22KV and upto and including 33KV, the permissible total loss value shall not exceed by 7.5% of the maximum total losses values mentioned in table a) & b) for three phase.
• c) For transformers having voltage class above 11KV and upto and including 22KV, the permissible total loss value shall not exceed by 7.5% of the maximum total losses values mentioned in table c) for single phase.
• d) For transformers having voltage class above 22KV and upto and including 33KV, the permissible total loss value shall not exceed by 10% of the maximum total losses values mentioned in table c) for single phase.

 

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