Motor cable reels
with frequency-controlled drive in Virginia (USA)
Stemmann-Technik
has supplied and set into operation power cable reels (PCR)
for the Container Terminal Virginia-USA. The drives are realized
by frequency converter technology.
Technical Specification
Cable
data
Type: Protolon (SM-R)
(N)TSCGEWÖU
Cross section: 3x3/0 AWG + 2 x 2AWG + 1x 8 AWG
Gradient fibre: 62,5/125 my + 9/125 my
Operation voltage: 6 900 V
Outer diameter: 69,00 mm
Weight: 7,67 kg/m
Cable length to be reeled: 457
Device
data
Travel speed: 46 m/min.
Acceleration-/Deceleration time: 5 s
Mounting height: 21 m
Feeding: track centre
Motor data
Three phase-current-motor: 9 kW,
frequency-controlled
Voltage/Frequency:
480 V/60 Hz
Duty cycle: 80% ED
Brake: yes
Incremental encoder: yes
Slipring assembly data
Number of poles: PE + 3 poles
Insulation for: 12 000 V
Amperage: 400 A
Protection class (housing): IP 55
Spreader
cable reel with frequency-controlled drive in Shekou (China)
These spreader cable reels (SCR)
are used on container bridges in Shekou. They are equipped with
a spooling device which grants the exact reeling on-procedure
of the cable on the reel body. By means of a three phase-current-asynchronous
motor the winding speed of 0 – 180 m/min is enabled. The
acceleration- and deceleration time is 5 s.
Technical
Specification
Cable data
Type: Cordaflex (SMK)
- V
Cross section: 24x2,5 qmm
Operation voltage: 380 V
Outer diameter: 29,20 mm
Weight: 1,34 kg/m
Cable length to be reeled: 61 m
Device data
Travel speed: 180
m/min.
Acceleration-/Deceleration time: 5 s
Mounting height: 21 m
Motor data
Three phase-current-motor:
7,5 kW, frequency-controlled
Voltage/Frequency:
380 V/40 Hz
Duty cycle: 100% ED
Brake: yes
Incremental encoder: yes
Slipring assembly
data
Number of poles: PE + 23 poles
Insulation for: 600 V
Amperage: 25 A
Protection class (housing):
