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  • No Toxic Gas Dry Type Distribution Transformer Low Partial Discharge 22kv 1250 Kva - China

    price: check with company for price

    22kV - 1250kVA Cast Resin Dry Type Transformer, Three Phases, Two Winding, Power Distribution Cast Resin Dry Type Transformer, Low Noise, Low Loss and Low Partial Discharge. # # Flameproof and no blast, no pollution, no venomous gas. Pearl has passed F1 test qualified by authority lab. # High dampproot, Safe operation in 100% vilative humidity and other tough environment, no demoisture procedure is needed. # Strong capacity of heat resistant. # High over-load capability, running at 110% rated load, and 150% rated load at AF. # Contour artistic and compact size, low cost for installing. Easy assembly. # Performance and parameter conform to or excel the standards of GB, IEC or industry. Accessory for cast resin dry type transformer Enclosure The standard transformers is without enclosure, IP00 class. Type with enclosure is withprotection level is IP20. Temperature controller Temperature controller is equipped as per required. They can beinstalled on the transformer boday or wall of IP enclosure andreliable and convenient for users to check. Instruction for putting into Service For on-load tap-changing transformers, please refer to the on-load tap changer Operation Manual. First, adjust the tap changer with the transformer switched off; if all indications are normal, then switch on the transformer. 1Transformer with temperature control box and temperature indicator, please refer to respective operation manuals for detailed operation descriptions. After the temperature control box and temperature indicator is adjusted and all indications are normal, first switch on the transformer, then the temperature control box and temperature indicator. 2 Transformer should be switched on with no load. The peak switching inrush current could reach 10 times of the rated current. The fast motion protection set value should be higher than the switching inrush current. 3 When first switching on, avoid heavily loading the transformer. Beginning with a light load and increasing to a heavier load. While switching on the transformer, check for any abnormal noises. 4 Overload operation of the transformer should comply with IEC905 LOADING GUIDE FOR DRY-TYPE POWER TRANSFORMERS or the over-load curve in our Technical Manual. 5 The transformer can be switched on immediately after a period of service interruption. However, if humidity is high and condensation appears on the winding surface, the transformer can be operated again only after it is dried. - - - - No. | Items | Unit | | I Basic Information | | | 1 | Rated Voltage ratio | kV | 22kV / 0.433 kV | 1.01 | Rated Capacity | kVA | 1250 | 1.02 | Applicable Standards | | IEC 60076 | 1.03 | Manufacturer | | Pearl Electric | 1.04 | Country of Origin | | China | II Electric Performance | | | 2.01 | Rated Power | kVA | 1250 | 2.02 | HV | kV | 22 | 2.03 | LV | kV | 0.433 | 2.04 | Frequency | Hz | 50 | 2.05 | Number of phase | | Three | 2.06 | Insullation Class | | Class H | 2.07 | Temperature Rise (@40 ambient temperature) | K | 125K | 2.08 | Cooling Method | | AN | 2.09 | Tapping Ranging | | 2*2.5% | 2.1 | Vector Group | | Dyn11 | 2.11 | Noise level | dB | 55 | 2.12 | Impedance | % | 6 | 2.13 | No-load loss | W | 2150 | 2.14 | Load Loss (@120) | W | 11300 | 2.15 | Local Partial discharge | pC | <10PC | 2.16 | Impulse Withstand Voltage (HV/LV) | kV | 75/0 | 2.17 | Power Frequency Withstand Voltage (HV/LV) | kV | 28/3 | 2.18 | Rated Duration of Short Circuit | s | 2 | 4.02 | Total mass (without enclosure) | kg | 3030 | - - - - 2 Applied Standard GB/T10228, GB1094.11, IEC60076-11, DIN42523


    Company Contact:


    • Phone: 86-020-22626605

    • Address: No.118 Donghuan Rd,Donghuan St,Panyu District,Guangzhou,Guangdong Province,511400 China, Guangzhou, Guangdon, China

    • Email: Email


    Published date: March 7, 2018 -

    • Business Description: Provided with the after-sale service team with excellent technique and fast reaction, Pearl Electric will provide top-ranking after-sale service as we always did. We will visit the users regularly for quality researches to improve the products' quality and meet users' needs.

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