Wysokoobrotowe silniki indukcyjne

High-Speed three-phase squirrel cage induction motor(s). For IGBT- converter operation

Drive for a driven machine with following technical data:

Kind of driven machine : test bench
Power demand of driven machine : 250kW at speed 4766 rpm
Speed range : 4766-15000rpm

Product code: HMP 250-2 Motor data at converter operation

Duty : S1
Frame size : 250
Thermal class : 155 (F)
Cooling temperature range : +5 to + 40°C
Type of construction : IM B35
Cooling method : IC 06
Degree of protection : IP 23
Installation : indoor
Type of coupling :
Sense of rotation (viewed on DE) : bidirectional
Type of bearing : anti-friction, grease lubricated (Spindle bearings)
Site altitude above sea level : ≤1000m
Weight : approx. 750kg
Mass moment of inertia : 0.29kg.m²
Paint system / color shade : W / RAL 7015
Outline drawing-no. (preliminary) :
Terminal box location (viewed on DE) : right or left
Terminal box : main terminal box with 3 threaded holes M72x2, with ble glands
Cable entry location (viewed on DE) : from below
Standards : EN 60034-1, EN 60034-2

Accessories/special Information

Temperature monitoring for winding : 3 Pt100 (3 wires connection) from terminal
Temperature monitoring for bearing : 1 Pt100 / bearing (3-wire-connection)
with encoder mounted on NDE : Heidenhain / Germany product code ROD 436 HTL; line counts 1024 ppr
Bearing insulation with DE mounted forced ventilation, supply voltage shaft end DE without keyway : 400V 50Hz
flange coupling : without
locking device : without
Vibration velocity : ≤ 2,8mm/s throughout the speed range, decoupled foundation, during run-out

With automatic regreasing device (external control must be provided)

Voltage stress at frequency converter

max rate of voltage rise dv/dt : 5kV / µs
max. peak voltage at motor terminals : 1350 V
switching frequency : ≥ 2.5 kHz