Pump motor for the Red Cross in Syria

Menzel Elektromotoren manufactured a pump motor for the Red Cross in Syria. This motor is intended to help stabilize the water supply in communities that have been devastated by the civil war.

The motor replaces an old vertical motor (type V1) and was designed to require no structural or design modifications to the pumping station. Therefore, a variety of demanding features were necessary. It is a very large vertical motor of size 800, with the unusual cooling type IC 511 (tube-cooled), and a smooth, round welded steel housing with IP54 protection.

Menzel manufactured a special flange for installation and equipped the slip-ring motor with a short-circuiting and brush-lifting device (KBAV). This device lifts the carbon brushes after the motor starts, thus reducing brush wear and the maintenance required for cleaning the slip-ring compartment. According to customer specifications, the KBAV had to be located on the drive side. Menzel also implemented this atypical configuration professionally and within a manageable budget, including various additional tasks such as the manufacture of extra intermediate rings.

The medium-sized company also manufactured the motor shaft and terminal boxes according to customer specifications. Before delivery, Menzel subjected the pump motor to thorough testing. This included the use of a new additional function of the load test bench: a 3 MW angular gearbox that allows for load testing in a vertical position. An independent test engineer monitored the load test on behalf of the customer. The rated data of the custom-made motor are 1150 kW, 6300 V, 14841 Nm, and a speed of 740 rpm.