CG emotron TSA Series, Instruction Manual

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CG Drives & Automation 01-5980-01r2 Introduction 7
1.7 Glossary
1.7.1 Abbreviations and symbols
In this manual the following abbreviations are used:
1.7.2 Definitions
In this manual the following definitions are used:
*) Calculation of nominal motor torque:
Table 3 Abbreviations
Abbreviation/
symbol
Description
CP
Control panel, the programming and
presentation unit on the softstarter
CB Control board
I
2
t
The amount of energy losses, heating up the
motor.
PTC
Positive Temperature Coefficient
(temperature sensor, also known as
thermistor)
PB-PTC Power board PTC input
RMS Root Mean Square value
FLC Full Load Current
DOL Direct On-Line
EInt Communication format
UInt Communication format (Unsigned Integer)
Int Communication format (Integer)
Long Communication format (Integer Long)
SELV Safety Extra Low Voltage
The function cannot be changed in run mode
Table 4 Definitions
Name Description Unit
I
n_soft
Nominal softstarter current [A
rms
]
I
n_mot
Nominal motor current [A
rms
]
P
n_soft
Nominal softstarter power [kW] or [hp]
P
n_mot
Nominal motor power [kW] or [hp]
T
n
Nominal motor torque* [Nm] or [lb.ft]
n
n_mot
Nominal speed of motor [rpm]
cos
ϕ
n
Nominal motor power factor (dimensionless)
U 3-phase mains supply voltage [V
rms
]
U
n_mot
Nominal motor voltage [V]
T
n
Nm
[ ]
9550 P
n mot
kW
[ ] ×
n
n mot
rpm
[ ]
----------------------------------------------- =
T
n
lb ft
[ ]
5252 P
n mot
hp
[ ] ×
n
n mot
rpm
[ ]
----------------------------------------------
=