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DC Motor
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Z4 Series DC Motor
Power:2.2kW~1400kW
Voltage:Normal 400V, 440V, 660V
Speed:Rated speed / Max speed
Protection:Normal IP21S ( IP23 available)
Cooling:Normal IC06 (IC17, IC37, IC86W available)
Insulation:Normal class F (Class H available)
Duty:S1
Brand:PEACEMOTOR
Package:Wood box for free fumigation
Payment:30% in advance, balance by T/T or L/C at sight
Description and application:
Z4 Series DC Motor is newly developed products of our works. The products are found wide use for prime mover in various, such as mill auxiliary in metallurgical industry, metal cutting machine-tool, paper making, print, textile, printing and dyeing, cement-making, plastic extruding machine, etc.
    Outline and mounting dimensions of the motors comply with IEC72 Standard, except for the axial distance between the mounting holes (dimension B).
    Performance and technical requirements of the motors can be checked in accordance with IEC34-1 Standard of the International Electro technical Commission, or DIN57530 Norm of the Deutsche Industries-Norm.
    The motors are class F insulated, with reliable insulating construction and impregnating process, ensuring stable dielectric performance and excellent heat dissipation.
    The motors possess the features of small size, good performance, light weight, large output, high efficiency and reliability, being able to match the current international advanced level.
    The motors can be lastingly operated form fully controlled three-phase bridge without a smoothing reactor. Motors for 160V may be operated on single-phase bridge thyristor. In that case, a smoothing reactor, whose inductance is specified in the relevant technical date, should be inserted in the armature circuit to suppress ripple current
 
Electrical performance:
1. Data listed in the technical data sheet should be employed under the following conditions;
  a. Altitude above sea level maximal 1,000m;
  b. Cooling air temperature maximal 40℃;
  c. Ambient conditions for motors should be free from acidic, alkali fumes or other aggressive gases which corrode insulation.
  d. Duty: Continuous (SI);
  e. Armature and field circuits for motors may be either operated on static thyrisier controlled supplies, or from d-c generator;
  f. Performances of motors all comply with State Standard GB755.  “Fundamental technical rules for electrical machines”.
2. Standard rated voltage: 160V or 440V, Values for  220V, 400V, and 660V or other voltage may be derived on request.
3. Rated speed: 3000, 1500, 1000, 750, 600, 500, 400, 300 and 200 r/min, totally nine grades. Decrease armature voltage to make speed regulating under constant torque, lowering down field voltage to make speed regulating at constant output. Speed regulating range: see technical date. The torque can be remained constant by reducing speed via armature voltage weakening below raced value. It is stipulated that armature speed range can be down to the lowest 20 r/min at constant torque and stable running.
4. Separate excitation is the basic excitation type of the motors. Nominal field voltage: 180V.
Other excitation voltages are also acceptable on request. Forced excitation is allowed with the voltage of less than 500V. When a motor is normally running, its excitation current must not be higher than rated excitation current. To assure the reliability of insulation of excitation system, the motor must be protected against self induced voltages by a release resistor connected in parallel with the excitation circuit of the motor is  interrupted. At rated field voltage the value of shunt resistor is about seven times filed winding resistance (cold state). While the field voltage is higher than nominal voltage, the value of shunt resistance may be lower than seven times field resistance, otherwise higher than seven times.
5. For frame size Z4-315, Z4-355, Z4-400 and Z4-450, compensating windings are provided. For frame size Z4-250 and Z4-280 the motors are feasible with a compensating winding too.
6. A marked earthing terminal is provided forth motors.
7. The efficiencies listed in the date sheet are for rated output, voltage and speed, and include excitation lose, excluding that of separate ventilating fans.
Model explanation:

Structure:
1. Protection, mounting and type of construction:
    a. Type of protection of the whole series: IP21S
    b. Mounting modes comply with the State Standard GB/T997 stipulated as follows:
2. Methods of Cooling:
Modes of cooling for all the motors are separate cooling, force ventilated. Cooling by frame radially mounted, separately powered ventilating fan, and attached with an air filter. Modes of cooling for motors may be made into three types, namely IC06, IC17 and IC37.
    a. For Z4-100-Z4-160, the blower is mounted on the non-drive side.
    b. For Z4-180-Z4-450, the blower is mounted on the drive side.
    c. The  required cooling air volume, air pressure and fan motor capacity are shown below: (Table 1)
 
*  All the ventilating fan motors are of three phase, two pole, 380V.
    Motors with the following five methods of cooling can also be ordered, but prior consultations are needed.
    a. Frame size 100 up to 250 may be made into the totally enclosed, frame cooled motor (IC410).
    b. Frame size 160 up to 250 may be made into the separately ventilated motor with blower mounted on its non-drive side (IC05).
    c. Frame size 100 up to 200 may be made into the self cooled open motor with its own fan mounted on the shaft (IC01).
    d. Frame size 160 up to 355 may be made into totally enclosed motor with internal cooling air circulation by independent air-air heat exchanger mounted on it (IC666).
    e. Frame size 160 up to 450 may be made into totally enclosed motor with independent air-water heat exchanger mounted on it (IC86W).
 
3. Standard terminal box mounting is the right hand side seen form the drive end of the motor. As an alternative, mounting at the top or on the left-hand side is possible on request.
 
4. Motors if needed can be fitted with tachogenerator or other accessories at the non-drive end.
 
5. Motors, when directly coupled, must use elastic or flexible couplings. The drive and driven units must be aligned with the utmost care. Radial forces acting on the shaft-extensions (belt or pinion drive) must not exceed the values given in the diagrams in the following pages (see Appendix2). Motors are of compact structure, elegant appearance, spacious terminal box, easy wiring, servicing and maintenance
 
 
Notice on Order:
1. Please refer to our catalogue before ordering. If the types, ratings you need are not covered by our booklet please contact us. Should you have particular needs, please offer us specific proposal in advance. A contract or pilot production agreement may be made when the requirements are fixed by common consent.
2. Please write clearly the type, output, voltage, speed, duty, type of construction, excitation, field voltage, No. of shaft-end, location of terminal box, necessary accessories and spare parts etc.
3. If the humid-tropical type required, please mark TH behind the original type number.
Biote Motor Tel:86-574-87500231 Fax:86-574-86643399
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