|No.||Technical item||technical requirement|
|1||load||Parallel connection of a set of rectifier equipment|
|2||Insulation level||Comply with national standards|
|3||Equipment type||Indoor type|
|5||Cooling form||Oil immersed ONAN|
|6||Voltage combination||110 ±2*2.5%/ 0.740*2 KV|
|7||Voltage regulation rate||110KV / ±2*2.5%|
|8||insulation resistance||Comply with national standards|
|9||Voltage resistance of the primary and secondary sides of the wire bundle||Comply with national standards (secondary side withstand voltage 7600V)|
|10||Rated capacity (KVA)||90MVA|
|13||Connection group||Y+7.5 y6 d5 / Y-7.5 y6 d5|
|15||Total loss||≤1.2 %|
|17||temperature rise||According to the national standard (top oil temperature rise of self cooled oil immersed transformer ≤ 60K).
Winding temperature rise ≤ 65K)
|18||Paint color, surface treatment||RAL7033,WET PAINTING 120um|
|19||Decoupling factor||Decoupling factor of two independent windings on the secondary side > 0.8|
|20||Valve side outlet sequence||a1 b1 c1; a2 b2 c2|
|21||Cable wiring box||Stainless steel material, protection level IP54|
|22||other||The rectifier transformer is equipped with a trolley at the bottom, which can be moved in four directions with rail distance of 1475mm.|
|23||other||Separate isolation of primary and secondary windings, with shielding and reliable grounding between the primary and secondary windings|
|24||General requirements||1. The transformer can only be manufactured after we confirm outline drawing and wiring diagram.
2. Equipment should be equipped with corresponding nameplates or safety warning labels.
3. The appearance surface is flat, without collision marks, welding without spatter, false welding, undercut, and uniform paint thickness.
|25||Documents while delivery||The delivery documents include but are not limited to the following documents:
Product Manual, Use and Maintenance Manual, Test Report, Important Component Test Report or Certificate of Conformity
Add: Fl 6, No.C12 Building, Lane 299 Guanghua Rd, Ningbo R&D Park,Ningbo Hi-Tech Zone,China, 315040