{"id":2495,"date":"2026-01-25T03:17:56","date_gmt":"2026-01-25T03:17:56","guid":{"rendered":"https:\/\/powernextransformer.com\/?post_type=product&p=2495"},"modified":"2026-01-25T03:25:36","modified_gmt":"2026-01-25T03:25:36","slug":"1000-kva-11-35-kv-three-phase-oil-immersed-transformer-for-electrical-substation-utility-distribution","status":"publish","type":"product","link":"https:\/\/powernextransformer.com\/zh\/manufacturer\/1000-kva-11-35-kv-three-phase-oil-immersed-transformer-for-electrical-substation-utility-distribution\/","title":{"rendered":"1000 kVA (11\u201335 kV) Three Phase Oil Immersed Transformer for Electrical Substation & Utility Distribution"},"content":{"rendered":"

The 1000 kVA (11\u201335 kV) three phase oil immersed transformer is engineered for robust medium-voltage distribution in electrical substations and utility networks where higher load capacity, stable voltage regulation, and long-term reliability are crucial. Unlike lower-kVA distribution models typically focused on feeder level distribution, the 1000 kVA version bridges the gap between standard feeder transformers and larger industrial substation infrastructure, offering dependable performance for demanding utility, industrial, and infrastructure applications.<\/p>\n

While PowerNex\u2019s distribution transformer<\/a> portfolio supports a broad range from 5 kVA to 5000 kVA, the 1000 kVA class stands out for larger substation and high-demand distribution projects, especially where balanced capacity and cost efficiency are required.<\/p>\n

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Technical Specifications<\/strong><\/h2>\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n\n
Parameter<\/th>\nSpecification<\/th>\n<\/tr>\n
Rated Capacity<\/td>\n1000 kVA<\/td>\n<\/tr>\n
Capacity Range Supported<\/td>\n100 kVA \u2013 5000 kVA (custom available)<\/td>\n<\/tr>\n
Transformer Type<\/td>\nThree Phase Oil Immersed Medium Voltage Transformer<\/td>\n<\/tr>\n
Primary Voltage Range<\/td>\n11 kV, 12.47 kV, 13.8 kV, 22 kV, 24.9 kV, 33 kV, 35 kV<\/td>\n<\/tr>\n
Secondary Voltage Options<\/td>\n208Y\/120 V, 400 V, 415 V, 480 V, 600 V, 690 V, or customized outputs<\/td>\n<\/tr>\n
Connection \/ Vector Group<\/td>\nDyn11, Yyn0, Yd11, Dd0 or custom<\/td>\n<\/tr>\n
Frequency<\/td>\n50 Hz \/ 60 Hz<\/td>\n<\/tr>\n
Cooling Method<\/td>\nONAN (standard), optional ONAF<\/td>\n<\/tr>\n
Insulation Medium<\/td>\nMineral oil or ester fluid (optional)<\/td>\n<\/tr>\n
Tap Changer<\/td>\nOff-circuit tap changer \u00b12\u00d72.5% or \u00b15%, OLTC optional<\/td>\n<\/tr>\n
Standards & Compliance<\/td>\nANSI, IEEE, IEC<\/td>\n<\/tr>\n
Certifications Available<\/td>\nUL, CSA, cUL, CE based on market<\/td>\n<\/tr>\n
Installation Type<\/td>\nOutdoor electrical substations \/ distribution hubs<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n

Compared with lower capacity units, the 1000 kVA transformer supports larger load centers and is suitable for urban grids, industrial parks, data centers, and major feeder ties without stepping into full substation transformer territory. This makes it ideal for utility companies and EPC contractors planning mid-to-large distribution expansions or upgrades<\/strong>.<\/p>\n

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