DC Motor (Z4 Series)
Product Details
Features:
1) Technical standards:
a) Continuous duty: S1
b) Domestic environmental standard: GB/T 755 (fundamental technical qualifications for motors)
2) Specifications:
a) Nominal rated voltage: 160V, 440V (220V, 440V or other voltage available)
b) Nominal field voltage: 180V
c) Rated speed (nine grades): 200rpm, 300rpm, 400rpm, 500rpm, 600rpm,750rpm, 1000rpm, 1500rpm, 3000rpm
3) Operating ambients:
a) Altitude: less than or equal to 1,000m
b) Maximum cooling temperature: 40oC
c) Free from acidic, alkali fumes or other irritant gas which could corrode insulating materials
4) Compensation windings available for Z4-315, Z4-355, Z4-400 and Z4-450
5) Z4-250 and Z4-280 are also feasible with compensation windings
6) Marked earthing terminals supplied
Armature and field circuits for motors may be either operated by static thyristor
controlled supplies or DC generators. Torque can be maintained constant by
reducing speed via weakening armature voltage below rated value. We assure
that the lowest armature speed range can be decreased to 20rpm by invariable
torque and stable running. Meanwhile, field voltage is reduced to weaken speed
with a steady output.
These motors have separate excitations. In addition to the above listed nominal
field voltage, other kinds of excitation voltage are also acceptable according to
customers' requirements.
If voltage is less than 500V, forced excitation is allowed. When a motor is normally
operating, the excitation current should be no higher than the rated excitation
current. To keep the insulating materials of the excitation system reliable,
the motor must be protected against self-induced voltage by a resistor connected
in parallel with the field windings when the excitation circuits of the motor are
interrupted.
At rated field voltage, the resistance value of a shunt resistor is about seven times
more than field resistance at low temperature. While the field voltage is higher
than nominal value, the resistance value of a shunt resistor may be lower
than seven times of field resistance.
DC motors
These Z4 series DC motors are widely use as prime movers in various machinery; including auxiliary mills, metal cutting machiner
- Brand Name:SEMC
- Place of Origin:China
- Country:China (Mainland)
- telephone:86-21-63090848
| Delivery Time: | 45 - 180 days |
| Payment Terms: | L/C,T/T |
| Brand Name: | SEMC |
| Place of Origin: | China |
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