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These resistors are used in the main component for starting
and speed control of all motors either AC or DC used for
Heavy duty Cranes.
Product Range:
D-Type Elements, Resistance Boxes (Edge wound / Wirewound
/ Punched / Formed Stain less Steel)
Resistance is the main component for starting and speed
control of all motors whether AC or DC used for cranes,
winches, colliery haulages, rolling mills or for any
other heavy equipment.
The
main features for motor control / crane control resistors
as under :
- Construction
suitable for vibration amplitude of 3g in horizontal
and vertical direction which makes theseresistances
most suitable for cranes / haulages etc.
- Draw out / non draw out type of construction.
- Protection class of enclosure IP 00,
IP 11, IP 33 or any other specific protection for any
environment.
- Balanced / unbalanced resistance for
master controller / drum controller operation.
- Manufactured to meet IS / BS / IPSS
/ any other National / International specification.
- Single phase / Three phase resistance
tier.
- Wire wound / rod grid / punched steel
/ edge wound construction.
- Bolted / welded connection between the
grids.
- AISI 304 / AISI 406 / Nichrome / any
other material as resistance element.
- Properly dimensioned resistance elements
to take care of current and time rating.
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Crane
and Motor Control Resistances are manufactured for wide
range of usages as
under :
- Stator resistance for soft start of Squirrel cage induction
motors
- Transition resistance for star delta starting of squirrel
cage induction motors
- Rotor resistance for starting and acceleration of L.T
& H.T slip ring induction motors
- Rotor resistance for single phasing and counter torque
braking lowering control of slip ring induction motor
- Rotor resistance for DC, Dynamic braking lowering control
of slip ring induction motor
- Rotor resistance for plugging control of slip ring induction
motor
- Rotor resistance for thyristor controlled stator voltage
of slip ring induction motor
- Dynamic braking resistances for VVVF Control of Squirrel
cage induction motors
- Armature resistances for DC series motors for hoisting
and lowering motions
- Armature resistances for DC series motors for plugging
control of Travel/ Traverse motion
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