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Conservator Type Oil Transformer

 

 

Farady offers a complete range of distribution transformers designed to grant the reliability, durability, and efficiency required in utility, industrial, and

commercial applications. Farady’s liquidfilled transformers are manufactured in accordance with the most demanding industry and international standards. Compliance with important standards, from IEC to VDE, is a matter of course, just as much as the exclusive use

of high-quality materials. Qualified employees implement the demanding standards in daily practice.

Standard Features

−− Product Range:15kVA-10000kVA, up to 44kV

−− System voltage: max. 36 kVA 200 BIL

−− Coolers: corrugated wall or radiator

Oil preservation: hermetically sealed or conservator/free breathing

−− Tap changer: off-circuit or on-load

−− Cooling medium: mineral oil, Midel

−− Steel type core clamping system

−− High voltage (HV) multilayer winding

−− Low voltage (LV) foil winding or layer winding

−− Winding materials aluminium or copper

−− High temperature class transformers

−− Low noise solution

−− Efficient transformers with reduced losses

−− Liquid-filled

−− Used in special conditions

−− Sophisticated facilities

−− Usage of wooden case

−− 3D package for drawings

−− Special test like Zero Sequence Impendence test

−− Cooling: ONAN, ONAN/ONAF, KFAF, KFW

Service condition
  1. a) Suitable for indoor or outdoor application

b)Air temperature: Maximum temperature: +40; Minimum temperature:-30

  1. c) Humidity: Monthly average humidity 95%; Daily average humidity 90% .
  2. d) Altitude above sea level: Maximum installation altitude: 2000m.

e)Max wind speed:35M/s

  1. f) Ambient air not apparently polluted by corrosive and flammable gas, vapor etc.
  2. g) No frequent violent shake

Note: * Beyond those services condition should enquiry to manufacturer technical dept during order

Tests
  • Voltage ratio. Polarity and phase relationship test on each tapping
  • Resistance of all windings
  • No-load current and no-load losses measurement
  • Load losses measurement at rated current and frequency
  • Impedance voltage measurement
  • Induced over-voltage and separate source voltage withstand tests
  • Impulse voltage withstand test.
  • Noise level test
  • Oil leakage test
  • Overload test at 150% rated current for one hour after temperature rise test and hot resistance measurement of (HV – LV)
Technical Specification

787

Operating Characteristics


kVAVoltageVECTOR GROUPLOSSESNo-load

Current

 

Weight(kg)

 

Overall dimension

mm

 H.V.

kV

L.V

V

No-load

loss

Load

loss

 Oil weightTotal weightLWH
206

6.3

10

10.5

11

13.2

380

400

415

433

Yyn0

Dyn11

Yzn11

905302.355230720440855
301006002.175305750500990
501308702.0804058004801030
6315010401.9954558306151060
8018012501.91055108405801115
10020015001.81205308906451145
12524018001.71306709106001185
16028022001.61408109107001280
20034026001.516089010007601240
25040030501.4175102012857301290
31548036501.4185117012807401385
40057043001.3215141013107501432
50068051001.2260164513657651510
63081062001.1310207014858151615
80098075001.0370244516409301590
10001150103001.04252800186011201630
12501360120000.94803320186011201830
16001640145000.85504175197511751900

Note: *The above parameter is only subject to our standard design, special requirement can be customized

kVAVoltageVECTOR GROUPLOSSESNo-load

Current

 

Weight(kg)

 

Overall dimension

mm

 H.V.

kV

L.V

V

No-load

loss

Load

loss

 Oil weightTotal weightLWH
2020

22

380

400

415

433

Yyn0

Dyn11

Yzn11

905302.375230880610855
301006602.1100305900610 990
501309602.01855159206101150
6315011451.9195550920630 1180 
8018013701.92006009306501200
10020016501.82106959506801250
12524019801.72358109607801270
16028024201.625595011607101330
20034028601.5280106511907301340
25040033501.4300120012808201360
31548040101.4320136013809101390
40057047301.3370158014309501470
50068056601.24001790152010201510
63081068201.14602100168011501530
80098082501.04952420181012801580
10001150113301.05903080184012901690
12501360132200.96303460185013001730
16001640159500.87104015192013501790

Note: *The above parameter is only subject to our standard design, special requirement can be customized

kVAVoltageVECTOR GROUPLOSSESNo-load

Current

 

Weight(kg)

 

Overall dimension

mm

 H.V.

kV

L.V

V

No-load

loss

Load

loss

 Oil weightTotal weightLWH
2030

30.8

33

35

38.5

380

400

415

433

Yyn0

Dyn11

Yzn11

908002.31855408809001200
3010010002.1190550900900 1200
5021012702.020559010009501450
6323015001.92106201020 950 1500 
8025017501.9225660 1050970 1550
10029021201.8240790108010001600
12534025001.7270950110010301630
16036029701.62851020113010601630
20043035001.53251170119010601670
25051041601.43401340126011601700
31561050101.44001530128012401790
40073060501.3490178019608801900
50086072801.2510196020209401920
630104082801.16002290207010102010
800123099001.06602640224010402150
10001440121501.07353100230012002150
12501760146700.98303630245012802250
16002120175500.89354235222015102350

Note: *The above parameter is only subject to our standard design, special requirement can be customized