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Water Conservancy

Customer Case

Electrical control system for the 2×800KN mobile gantry cranes on the dam crest of Cao’e River

In this system, the auxiliary hoisting, gantry, and trolley mechanisms all adopt the conventional rotor – series resistance control method. The main hoisting mechanism selects two ACS800 frequency converters from ABB to control two hoisting motors respectively. By controlling the…

Lishui Kaitan Hydropower Station

In this system, the main hoisting, auxiliary hoisting, and trolley mechanisms all adopt the conventional method of controlling by connecting resistors in series with the rotor. The gantry mechanism is equipped with two ATV71 – 18.5KW frequency converters from Schneider…

Reconstruction and commissioning of the electrical control system for the 2×200t gate – lifting machines of Hubei Qingjiang Hydropower Generation Company

In this system, both the hoisting and trolley mechanisms adopt the conventional method of connecting resistors in series with the rotor for control. The gantry mechanism is equipped with two CIMR – G54037 frequency converters from Japan’s Yaskawa. These frequency…

Yaojia Key Water Control Project and Ship Lock Project

This electrical control system is applied to the Yaojia Key Water Control Project and Ship Lock Project. This project is a key construction project for inland waterway transportation in Zhejiang Province and an important part of reviving the shipping on…

Wenzhou Oufei Reclamation Project

The electrical control system of the gantry crane on the dam crest adopts Schneider PLCs. Each mechanism uses ABB’s AC880 series frequency converters. The Kunlun Tongtai touch – screen is used to monitor the entire equipment. This equipment is applied…