Three-Phase Pad-Mounted Transformers

1 Three-PhasePad-Mounted TransformersOptional Features & Accessories Broad selection of design efficiencies to meet specificcustomer applications and the new DOE efficiency requirements. 50 Hz. Type II insulating mineral oil. High-fire point fluid, such as silicone, hydrocarbon or vegetable fluids. 55 and 55 /65 C average winding rise. Copper and aluminum windings available. Dual high-voltage ratings. Internal expulsion fuses. Current limiting fuses. Internal oil-immersed partial range current-limiting fuses. Bayonet fuse holders with and without flapper. Non-loadbreak and loadbreak dry-well fuseholders. Internal oil switch ( radial or loop). Under oil internal arresters.

2 Low-voltage molded-case circuit breaker. Seismic Zone III and IV. Stainless steel tank and cabinet construction. Special colors. RUS accepted. Compliance with Canadian Standards (CSA).TestsEach transformer receives all standard commercial testsin accordance with ANSI (latest revision), withtest reports available by serial number of the transformer. Resistance tests of all windings. Ratio tests on the rated voltageand all tap connections. Polarity and phase relation testsat rated voltage. No load loss at rated voltage. Exciting current at rated voltage. Impedance and load losses. Applied voltage test. Induced voltage test. Full-wave impulse test.

3 Mechanical leak GE offers a complete line of liquid-filled Three-Phase Pad-Mounted distribution Transformers that meetapplicable ANSI /IEEE high voltages up to kV and ratings up to 5,000kVA (ONAN), Prolec GE compartmental-type ThreePhase Pad-Mounted Commercial Transformers aredesigned for outdoor installation on a concrete pad andprovide underground power distribution to commercial,ndustrial and institutional materials, combined with sophisticatedengineering design systems, are key elements of atrans-former that will deliver years of highly reliable Features 60 Hz operation. 65 C average winding rise. radial & loop feed arrangements. Dead and live front type of HV terminals.

4 HV BIL 45 150 kV (Dead front ) 200 kV ( live front ). LV BIL 30 60 kV. Three-point latching of low-voltage door. High-voltage door, which can be opened only afterthe low-voltage door is opened. Rigid steel partition. Transformer tank welded from cover to base. Permanent nameplate. One-inch NPT pipe cap filling provision. ANSI tank ground pads. One-inch drain valve and sampler. Automatic pressure-relief valve (35 SCFM). Tap changer with (2) full capacity taps aboveand below nominal. One 10 x18 (or 14 x25 ) hand hole in transformertank cover. Painted olive-green color (Munsell 7GY ). Designed, manufactured and tested in accordancewith the latest ANSI is a registered trademark of American National Standards Institute,Inc.

5 IEEE is a registered trademark of the Institute of Electrical ElectronicsEngineers, VoltagesStandard RatingsStandard PrimaryVoltage RatingsMinimum BIL (kV)Delta or Wye2400454160604800607200757620751200095 1247095132009513800951634095 Grounded Wye4160 GrdY/24006512470 GrdY/72009513200 GrdY/76209513800 GrdY/79709522860 GrdY/1320012523900 GrdY/1380012524940 GrdY/1440012534500 GrdY/19920150 Standard kVA Typical Dimensions for ReferencekVAHeightWidthDepthTyp WeightTyp Gal(Lb)Oil756446652, ,7291451506447652,8951452256650673,49916 43006753683,8661715006862704,95820375075 72726,59027210007875757,6473121500828283 9,888368200086858911,891433250087889613, 794487 For kVAs not listed, contact and weights are approximate and subject to changewithout notice and should not be used for construction more information contact your local GE Sales Representative or visit our website at : Toll free 1 800-437-7653 (US & Canada) / +52 (81) 8030-2341 (Mexico) / Fax: +52 (81) 8030-2323 or 2325