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Warning – HP Anab EQ5 User Manual

Page 78

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TECO

–Westinghouse Motor Company Function Explanation 72

Note1:
If REMOTE operation(F02: 1) is selected, operation signal is
given from terminal [FWD] or [REV].
Note2:
Use function "A13 Motor 2 (auto tuning)," to tune motor 2. In
this case, set values described in 1 and 2 above are for the
function (A01 - ) of motor 2.

WARNING

When the auto tuning value is set to 2,
the motor rotates at a maximum of half
the base frequency. Beware of motor
rotation.

Otherwise injury may result.

Long-time operation affects motor temperature and

motor speed. Online tuning minimizes speed changes
when motor temperature changes.

Auto tuning(P04/A13: 2) should be done to use this

function.

Set value

Operation

0

Inactive

1

Active


This function sets the no-load current (exciting current)

of motor 1.

Setting range: 0.00 to 2,000A



Write this data when using a motor other than the TWMC

standard 3-phase motor and when the motor constant
and the impedance between the inverter and motor are
known.

Calculate %R1 using the following formula:

 

100[%]

×

・I

3

V/

R

R1+Cable

%R1

R1 : Primary coil resistance value of the motor [

]

Cable R : Output-side cable resistance value [

]

V : Rated voltage [V] I: Motor rated current [A]

Calculate %X using the following formula:

100[%]

×

・I

3

V/

X

Cable

+

X2+XM

X1+X2・XM/

%X

X1 : Primary leakage reactance of the motor [

]

X2 : Secondary leakage reactance (converted to a
primary value)of the motor [

]

XM : Exciting reactance of the motor [

]

Cable X : Output-side cable reactance [

]

V : Rated voltage [V] I : Motor rated current[A]

Note:
For reactance, use a value in the data written in "F04
Base frequency 1."

When connecting a reactor or filter to the output circuit,

add its value. Use value 0 for cable values that can be
ignored.

Changes in load torque affect motor slippage, thus causing

variations in motor speed. The slip compensation control
adds a frequency (proportional to motor torque) to the
inverter output frequency to minimize variations in motor
speed due to torque changes.

Auto tuning (P04/A13: 2) should be done to use this

function.
Set value: 0.00 to 15.00Hz

Calculate the amount of slip compensation using the

following formula:

Hz

r/min

speed

s

Sy nchronou

r/min

Slippage

×

f requency

Base

amount

on

compensati

Slip

Slippage = Synchronous speed - Rated speed

P 0 9

S L I P

C O M P 1

P 0 5

M 1

T U N 2

P 0 6

M 1 I O

P 0 7

M 1 % R 1

P 0 8

M 1 % X

P06

Motor 1 (no-load current)

P05

Motor 1 (On-line Tuning)

P09

Slip compensation control

P08

Motor 1 (%X setting)

P07

Motor 1 (%R1 setting)

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