J. Helmke & Co.
Garvensstraße 5
D - 30519 Hannover
Tel. +49 (0) 511 / 87 03-0
Fax +49 (0) 511 / 86 39 30
e-mail: helmke@helmke.de
Internet: http://www.helmke.de
High-Voltage Technology
The offer contains engineering for all projects in the
sector of driving technology. Helmke has the largest
stock of motors world-wide suitable for brand-new
high-voltage motors for all heavy industrial drives,
e.g.:
●
more than 100 brand-new rib-cooled
high-voltage motors up to 1,800 kW
●
latest Siemens series H-compact plus 1,000 5,000 kW
●
slipring motors of own production up to 6,000
kW and also
●
the interesting surplus stock up to 16,000 kW
Please select the desired performance range from the listed categories below:
DOR performance range
(Three-phase squirrel cage motor, rip-cooled, IP 55)
DKK performance range
(Three-phase squirrel cage motor, modular, IP 54)
DSVK performance range
(Three-phase slipring motor, modular, IP 23)
DSKK performance range
(Three-phase slipring motor, modular, IP 54)
Reproductions and custom productions
Large well-known manufacturers
(ABB, Siemens, Schorch, Alstom)
J. Helmke & Co.
Garvensstraße 5
D - 30519 Hannover
Tel. +49 (0) 511 / 87 03-0
Fax +49 (0) 511 / 86 39 30
e-mail: helmke@helmke.de
Internet: http://www.helmke.de
Three-Phase Squirrel Cage Motors
High-Voltage Type DOR
The Helmke motor series provide reliability and safety.
Squirrel cage motors
Power:
Speed:
Voltage:
Degree of protection:
Cooling method:
Frame type:
Conventional applications
0.18 - 1,800 kW
3,000 - 750 rpm
230 - 690 V
IP 55
IC 411
B3 and V1
2 - 4 pole:
6 - 8 pole:
10 - 12 pole:
Constructional features for IC 411 motors
●
torsion resistant, sturdy housing and bearing plates of cast
iron with internal and external ribs for an optimum heat
dissipation
●
reliable bearing design, DE fixed bearing
●
rotor winding construction with aluminium cage or solid
copper cage
●
VPI insulating system
●
end windings resistant to residual field switchovers of all
magnitudes and phase positions
pumps, compressors, blowers
fans, chippers, mills
piston compressors, blowers
J. Helmke & Co.
Garvensstraße 5
D - 30519 Hannover
Tel. +49 (0) 511 / 87 03-0
Fax +49 (0) 511 / 86 39 30
e-mail: helmke@helmke.de
Internet: http://www.helmke.de
Three-Phase Squirrel Cage Motors
High-Voltage Type DKK
The Helmke motor series provide reliability and safety.
Squirrel cage motors
Power:
Speed:
Voltage:
Degree of protection:
Cooling method:
Frame type:
Conventional applications
400 - 9,000 kW
3,000 - 250 rpm
3,000 - 11,000 V
IP 54
IC 611
B3
pumps | blowers | high performance compressors
Helmke DKK modular series
●
extremely robust, torsionally stiff, welded housing construction
●
winding design for stator and rotor winding in temperature class
F (VPI), resistant to humidity, chemically aggressive
atmospheres, contamination, tropicalized and vacuum switch
resistant
●
modular basic construction
●
adaptation of cooling through modification of cooler module
●
basic construction with continuous, solid shafts (not hollow shaft)
●
two-channel ventilation system with intensive cooling of winding
ends
J. Helmke & Co.
Garvensstraße 5
D - 30519 Hannover
Tel. +49 (0) 511 / 87 03-0
Fax +49 (0) 511 / 86 39 30
e-mail: helmke@helmke.de
Internet: http://www.helmke.de
Three-Phase Slipring Motors
High-Voltage Type DSVK
The Helmke motor series provide reliability and safety.
Slipring motors
Power:
Speed:
Voltage:
Degree of protection:
Cooling method:
Frame type:
Conventional applications
500 - 12,000 kW
3,000 - 250 rpm
3,000 - 11,000 V
IP 23
IC 01 / 81 W
B3
refiners | crushers | mills | fans | shredders
Helmke DSVK modular series
●
extremely robust, torsionally stiff, welded housing
construction
●
winding design for stator and rotor winding in temperature
class F (VPI), resistant to humidity, chemically aggressive
atmospheres, contamination, tropicalized and vacuum
switch resistant
●
modular basic construction
●
adaptation of cooling through modification of cooler module
●
basic construction with continuous, solid shafts (not hollow
shaft)
range as .pdf document
●
slipring compartment separated from internal stator
chamber in terms of ventilation with brushes in permanent
contact – separately ventilated
●
two-channel ventilation system with intensive
cooling of winding ends
Example:
Type DSVK 630-12-037
1,400 kW | 6.3 kV
500 rpm | IP 23
Three-Phase Slipring Motors
High-Voltage Type DSKK
J. Helmke & Co.
Garvensstraße 5
D - 30519 Hannover
Tel. +49 (0) 511 / 87 03-0
Fax +49 (0) 511 / 86 39 30
e-mail: helmke@helmke.de
Internet: http://www.helmke.de
The Helmke motor series provide reliability and safety.
Slipring motors
Power:
Speed:
Voltage:
Degree of protection:
Cooling method:
Frame type:
Conventional applications
400 - 9,000 kW
3,000 - 250 rpm
3,000 - 11,000 V
IP 54
IC 611
B3
refiners | crushers | mills | fans | shredders
Helmke DSKK modular series
●
extremely robust, torsionally stiff, welded housing design
●
winding design for stator and rotor winding in temperature class
F (VPI), resistant to humidity, chemically aggressive
atmospheres, contamination, tropicalized and vacuum switch
resistant
●
modular basic construction
●
adaptation of cooling through modification of cooler module
●
basic construction with continuous, solid shafts (not hollow
shaft)
●
slipring compartment separated from internal stator chamber in
terms of ventilation with brushes in continuous contact –
separately ventilated
●
two-channel ventilation system with intensive cooling of winding
ends
Example:
Type DSKK 710-6-037
4,000 kW | 6.3 kV
1,000 rpm | IP 54
J. Helmke & Co.
Garvensstraße 5
D - 30519 Hannover
Tel. +49 (0) 511 / 87 03-0
Fax +49 (0) 511 / 86 39 30
e-mail: helmke@helmke.de
Internet: http://www.helmke.de
Reproductions and custom productions
Examples:
Sinter blower drive for steel plants
●
three-phase slipring motor
●
3,600 kW
●
5,000 V
●
50 Hz
●
1,485 rpm
●
matched to original foundation
Pump drive for main cooling circuit in a power plant in
Columbia
●
three-phase slipring motor
●
430 kW
●
4,160 V
●
60 Hz
●
708 rpm
●
special design for vertical use
Compressor drive for chemical plant
●
three-phase squirrel cage motor
●
extended shaft end
●
frame type C2
●
additional pedestal bearing for belt drive
Chopper drive in Spain
●
slipring motor for speed controlled applications
●
transmission gear for belt pulley on common base frame
J. Helmke & Co.
Garvensstraße 5
D - 30519 Hannover
Tel. +49 (0) 511 / 87 03-0
Fax +49 (0) 511 / 86 39 30
e-mail: helmke@helmke.de
Internet: http://www.helmke.de
Cement mill drive in Germany
Drive for a vertical roller mill
3,270 kW
6,000 V
742 rpm
special designed with an additional
hydrostatic installation in order to raise the
rotor in the sleeve-bearing shells.
J. Helmke & Co.
Garvensstraße 5
D - 30519 Hannover
Tel. +49 (0) 511 / 87 03-0
Fax +49 (0) 511 / 86 39 30
e-mail: helmke@helmke.de
Internet: http://www.helmke.de
Large well-known manufacturers
Helmke maintains close partnerships and co-operations with all large electrical companies such as: Siemens, ABB,
Schorch and Alstom.
Brands of the following drives are immediately available, due to Helmke’s stocking capacities, e.g.:
Siemens 1RR1
Siemens 1LA1
Siemens 1R.4
ABB
ABB
Schorch
(H-Modul)
(H-Compact)
(H-Compact plus)
AMA
HXR
KA2
immediately ex stock !
immediately ex stock !
immediately ex stock !
immediately ex stock !
immediately ex stock !
immediately ex stock !
The production is able to perform modifications for induvidual adaptations to already existing installations within the
shortest possible time. See also reproductions and custom productions.