No problem. We are also available after business hours via our emergency cell phone. Contact us for any emergency service.
T +49 5066 90333-0
emergency(at)helmke.de
04.06.2018 [ [more] ]
New Factory in SarstedtIn addition to the existing plant, a new state-of-the-art manufacturing facility is under construction at the HELMKE site in Sarstedt (near Hannover, Germany).[ [more] ]
Drive systems - engineered by HELMKEHELMKE is a worldwide acknowledged competence for the delivery of complete drive systems. The converter cabinets engineered by HELMKE are projected and manufactured for customized and branch-specific applications.[ [more] ]
Scope of order:
Acceptance test at a system consisting of: Medium voltage frequency converter and asynchronous motor with no-load and load test as well as extensive function tests at the frequency converter.
Frequency converter | - 2,500 kVA; 6000 V; 50 Hz |
Motor | - 1,560 kW; frame size 500; 04-pole; 6,000 V; 50 Hz - Speed range 0 - 1,500 min-1 (M ~ n2), - Explosion protection Ex nA IIC T3 Gc |
Scope of order:
Acceptance test at a converter-fed high voltage machine with direct oil cooling. Performance of an extensive no-load and load test at different speeds.
Particularities:
The directly oil-cooled machine requires the installation of an oil re-cooling system.
Motor | - 800 kW; frame size 315; 04-pole; 4,000 V; 73 Hz - Speed range 500 - 2160 min-1 (T = constant) |
J. Helmke & Co | Electrical Machines and Drives
Ludwig-Erhard-Ring 5-9 | 31157 Sarstedt
Phone +49 (0) 5066 90 33 3 -0 | Fax +49 (0) 5066 90 33 3 -291 | info(at)helmke.de