The pump station operator
required a straightforward drop-in replacement for an old V1-type motor, matching the existing mechanical interfaces without any constructional changes. This called for various complex features. The large vertical motor
with a shaft height of 800mm has the unusual cooling type IC 511 (tube cooling), with a smooth round welded steel housing in protection class IP54. Menzel built a special flange and fitted the slip ring motor with a short-circuiting and brush-lifting device, which lifts the carbon brushes after the motor start, thus reducing brush wear as well as the effort needed for regularly cleaning the slip ring chamber.
a manageable budget, including various additional works such as fabricating extension rings. Moreover, the family business manufactured a customised motor shaft and terminal boxes. Before shipping, Menzel
thoroughly tested the pump motor, making use of the latest addition to its test field, a 3-MW right-angle gearbox that allows load tests in a vertical position. An independent test technician appointed by the customer supervised the load test. The bespoke motor is rated for 1150 kW, 6300 V, 14841 Nm and 740rpm. More about the motor
cooling type IC 511 (tube cooling) can be found here:
The customer requested Menzel fit the brush-lifting device on the drive side. The motor manufacturer also implemented this uncommon design expertly and within
https://www.menzel-motors.com/slip-ring- motor/ic511/
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