Bienes de equipo
Z series DC motor
|
基速的百分数 (Percentage of basic Speed) |
额定电流的百分数(Percentage of rated current |
|
偶尔使用(Seldom using) |
经常使用(Constantly using) |
|
100 |
200(180) |
175(160) |
200 |
160.0 |
150 |
>300 |
140.0 |
125 |
b) First kind (B) motor can endure the overload (1 min) according table 4.
Table 4
基速的百分数 (Percentage of basic Speed) |
额定电流的百分数(Percentage of rated current) |
|
偶尔使用(Seldom using) |
经常使用(Constantly using) |
|
100 |
200(180) |
175(160) |
200 |
200(180) |
160 |
>300 |
175(160) |
140 |
Note: when the basic speed of motor is equal or greater than the fixed number in Table 4, using the number in the bracket.
Table 4.
Center height(mm) |
355 |
400 |
450 |
500 |
560 |
630 |
710 |
Basic Speed(r/min) |
1000 |
900 |
800 |
710 |
630 |
560 |
560 |
c) the short time overload capacity seldom used means happens infrequency or only at the urgency, the motor working exceed the continuous rated overload capacity, we suggest you adjust the instantaneous open/close device of the switch according to the short time overload capacity seldom using.
The short time overload seldom constantly used means it's an part of the normal working period, the motor endure the continuous rated overload capacity again and again. After working at short time overload, it must working light load to make the overload period's overload root-mean-square less than its continuous ration.
d) Second kind DC motor(B) can endure the following continuous load, Working continuous within the rated voltage and rotate speed with 115% rated power overload, the temperature is higher when at this overload, other features maybe different from working at rated condition.
Within the rated voltage and rotate speed, after running at the rated overload, working at the 125% rated power for 2 hours, the temperature rise can not overrun the regulated numerical value other features maybe different from working at the rated condition.
e) Second kind DC Motor(B), at the rated rotate speed, the overload can reach 2.5 times no longer than 15s only used once in a while.
Under all rotate speed and load, the change rate of current (di/dt) that the motor can endure is 200 times rated current.
a) the vibration of the motor accords with GB/T10068 "Measurement evaluation and limits of the vibration severity of rotating electrical machines which the shaft center height is 56mm and above" center standard's regulation.
b) the noise of the motor accords with GB/T10069 "Measurement of airborne emitted by rotating electrical machinery and noise limits".
The choice of motor capacity
Motor Structure
1. The methods and protection degree of the motor
a) The method of cooling of the motor is separately-cooled, according to GB/T1993 "Method of cooling of rotating electrical machinery", there are IC06, IC17, IC37, IC86W. Standard entrance of cooling air is at the end of the main transmission(not the commutator side). The protection class of the motor can be divided into IP23 and IP44 according to the GB/T4942.1 and IEC34-5. If the user needs other method of cooling and defend class, it can be negotiated.
b) the relation between the method of cooling and the protection degree of the motor pls see
Table 1.
c) the cooling method, wind pressure, cooling water flux, motor power see: Table 2.
Frame |
Built-on blower |
air-to-water heat exchanger |
|||||
cooling wind |
Wind pressure (whisht pressure) |
motor power |
weight |
Cooling water flux |
motor power |
weight |
|
m³/hr |
Pa |
KW |
KG |
m³/hr |
KW |
KG |
|
H500 |
10000 |
1900 |
7.5 |
300 |
19 |
11 |
900 |
H560 |
16500 |
2250 |
15.0 |
400 |
22 |
18.5 |
1100 |
H710 |
23500 |
2400 |
18.5 |
600 |
40 |
2*11 |
1600 |
Notice on order:
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