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3× Prefabricated Box-Type Substations Delivered to PetroChina Luntai Project — Tarim Oilfield, Xinjiang

First prefabricated box substation loaded on truck at Zhongxin General factory gate — PetroChina Luntai Tarim oilfield Xinjiang April 2026
On April 17, 2026, Zhongxin General dispatched three prefabricated box-type substations to PetroChina's Luntai County project in Xinjiang — serving the Tarim oilfield core zone for oilfield production expansion, photovoltaic grid connection, and industrial load supply. Each unit contains a 2500kVA SCB14 Grade 2 dry-type transformer (10kV/0.4kV) and a 2500kVA Grade 2 oil-immersed transformer (35kV/10kV), with IP54 protection, seismic Grade 9 design, and -30°C to +55°C operating range for Xinjiang's desert environment.

Project Snapshot

Background: Powering the Tarim Oilfield Core Zone

Luntai County sits at the heart of the Tarim Basin in southern Xinjiang — China’s largest oil and gas producing region by reserve volume and a strategic priority for national energy security. With oil and gas extraction operations running continuously alongside an expanding portfolio of photovoltaic grid-connection projects and industrial facilities, reliable medium-voltage power infrastructure is essential to every aspect of field operations.

This delivery comprises three complete prefabricated box-type substations for the Beijing DM Oilfield High-Tech Co.,Ltd. Luntai base — a supporting infrastructure project within PetroChina’s broader Tarim field development. Each substation provides a self-contained, fully integrated power distribution unit: stepping down from the 35kV main grid to 10kV via an oil-immersed transformer, then from 10kV to 0.4kV via a dry-type transformer, ready for direct connection to oilfield production equipment, photovoltaic inverters, or industrial loads.

Equipment Specification

Each substation unit contains:

LV Transformer — SCB14-2500/10 Dry-Type

HV Transformer — Oil-Immersed 35kV/10kV

Environmental & Protection Specifications

The IP54 rating and Grade 9 seismic design directly address Luntai County’s two most demanding environmental challenges: pervasive windblown sand and dust from the Taklamakan Desert, and the seismic activity of the Tarim Basin geological zone. The -30°C to +55°C operating range covers the extreme diurnal and seasonal temperature variation characteristic of Xinjiang’s continental climate — from deep winter nights to peak summer afternoons.

Dispatch

First prefabricated box substation loaded on truck at Zhongxin General factory gate — PetroChina Luntai Tarim oilfield Xinjiang April 2026
The first prefabricated box-type substation fully loaded and staged at Zhongxin General’s factory gate — ready for the overland journey to Luntai County, Xinjiang.
Second prefabricated box substation being secured on transport truck — Zhongxin General PetroChina Luntai Xinjiang April 17 2026
The second prefabricated box-type substation being secured on its transport vehicle — substation enclosure and accompanying oil-immersed transformer loaded together.
Second prefabricated box substation further cargo securing in progress — Zhongxin General Xinjiang oilfield dispatch April 2026
Final securing work on the second transport vehicle — thorough cargo preparation for the approximately 3,000 km overland route from Sichuan to Xinjiang.

All three substations departed on April 17, 2026, travelling overland from Zhongxin General’s Sichuan production facility to Luntai County, Xinjiang — a route of approximately 3,000 km through western China to the Tarim oilfield core zone.

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About Zhongxin General

Zhongxin General (Sichuan Zhongxin General Electric Energy Co., Ltd.) is a National “Little Giant” Enterprise manufacturing oil-immersed and dry-type power transformers, switchgear, prefabricated substations, energy storage systems, and EV charging infrastructure. Our transformer portfolio covers 30 kVA to 100 MVA, configurable to voltage classes including 6kV, 10kV, 35kV, 66kV, 110kV, 120kV, and 132kV, in both GB and IEC/ANSI standard configurations for domestic and international projects.

Delivered to oilfield, hydropower, port, LNG, data center, and industrial substation projects across Xinjiang, Ningxia, Kazakhstan, DR Congo, Nepal, Argentina, Europe, and across China.

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Kevin Z

About the Author

Kevin Z

Kevin Z

About the Author

Kevin Z

Kevin holds dual academic backgrounds in Electrical Engineering and English Language. He is a core member of two selective professional communities — a group of elite electrical engineers and a high-level ESL learning circle. With over 15 years of experience in international marketing and sales, Kevin currently serves as Director of International Trade at Zhongxin General.

Beyond his corporate role, Kevin is also a key member of a distinguished export business network based in Ningbo, Zhejiang — one of China’s most dynamic trade hubs. Through this circle of outstanding export enterprises, he gains deep exposure to best practices in business operations, management strategies, and global trade — insights he brings directly to his work and writing. Get in touch with Kevin by admin@zxtransformer.cn

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