Operational100%12024RetrofitShanxi, CN

Introduction

Alta was commissioned to resolve battery, motor, and fire-protection issues on Shanxi Jianlong Steel’s battery-electric shunter conversion project. Drawing on experience from previous retrofit programs, Alta supplied critical electrical systems and engineering support to stabilise performance, improve safety, and bring the locomotive up to operational standard for continuous industrial use.

DL019

Shanxi Jianlong Steel's DL019 Shunter

Alta's Scope of work

Alta's involvement included the supply and optimisation of:

Technology Snapshot

The locomotive operates with a 700 V battery system delivering up to 1 MW of traction power, ensuring dependable operation under heavy industrial workloads.

GK0Traction SystemRated Input VoltageRated Output VoltageRated Input CurrentRated Output FrequencyRated PowerDC 700 VAC 380 V800 A50 Hz1200 kW
GK0Battery SystemBattery ChemistryRated VoltageUsable CapacityAvailable System PowerRated PowerLFPDC 700 V280 Ah1120 kWh1400 kW

Outcome & Significance

Alta’s intervention enabled the locomotive to achieve stable battery performance and reliable traction output, addressing the thermal and safety challenges that limited earlier trials. The project reinforced Alta’s capability to troubleshoot and refine third-party conversions, expanding its role beyond supply to include hands-on technical remediation and system optimisation.