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Open-loop Start-up
9
Open-loop Start-Up Procedure
The following is a recommended open-loop
start-up procedure:
Motor Parameter Set-up
1) Select one of the four default motors (listed
in Table 1) for the MOTOR ID (A5)
parameter (or select a valid motor ID, if
available).
These typical V/f patterns are selectable via
the MOTOR ID (A5) are given in the
following table. It is best to start with one of
the default V/Hz patterns.
parameter
4
pole
400 v
4
pole
200 v
6
pole
400 v
6
pole
200 v
motor mid
volts (A5)
28.0V
14.0V
28.0V
14.0V
motor mid
freq (A5)
3.0Hz
3.0Hz
3.0Hz
3.0Hz
motor min
volts (A5)
9.0V
4.0V
9.0V
4.0V
motor min
freq (A5)
1.0Hz
1.0Hz
1.0Hz
1.0Hz
Table 1 - V/Hz patterns via Motor ID
2) Enter / Verify the following from the motor’s
nameplate:
•
Motor HP or KW rating
(RATED MTR POWER(A5))
•
Motor Voltage
(RATED MTR VOLTS(A5))
•
Motor Excitation Frequency in Hz
(RATED EXCIT FREQ(A5))
•
Rated Motor Current
(RATED MOTOR CURR(A5))
•
Number of Motor Poles
(MOTOR POLES(A5))
rated
motor
speed
(rpm)
#
of
motor
poles
1800-1500 4
1200-1000 6
900-750 8
720-600 10
Table 2 - Motor Poles Reference
•
Rated Motor Speed at full load in RPM
(RATED MTR SPEED (A5))
Note: The rated motor rpm must be full
load speed. If synchronous speed is
given, the motor rated rpm can be
estimated by:
−
97.5% of synchronous speed for
Nema type B motor design
−
94% of synchronous speed for
Nema type D motor design
rated motor
speed (rpm)
#
of
motor
poles
at
60 Hz
at
50 Hz
4 1800
1500
6 1200
1000
8 900
750
10 700 600
Table 3 - Synchronous Motor Speeds Reference
3) Use the default value of 2.5% for Stator
Resistance (STATOR RESIST(A5))
NOTE: if operation issues, the stator
resistance can be measured, refer the
procedure detailed on page 16.
Hoistway Parameter Set-up
4) Enter / Verify The hoistway parameters:
•
CONTRACT CAR SPD (A1) parameter
programs the elevator contract speed in
ft/min or m/s.
•
CONTRACT MTR SPD (A1) parameter
programs the motor speed at elevator
contract speed in RPM.
NOTE: The above two parameters create
the interaction that allow engineering units to
be used throughout the HPV 600 software.
Содержание HPV 600
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