Fuji Electric frenic mini series User Manual

App.E Conversion from SI Units
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App.
App.E Conversion from SI Units
All expressions given in Chapter 7, "SELECTING OPTIMAL MOTOR AND INVERTER
CAPACITIES" are based on SI units (International Metric System of Units). This section explains how to
convert expressions to other units.
[ 1 ] Conversion of units
(1) Force
• 1 (kgf) | 9.8 (N)
• 1 (N) | 0.102 (kgf)
(2) Torque
• 1 (kgf·m) | 9.8 (N·m)
• 1 (N·m) | 0.102 (kgf·m)
(3) Work and Energy
• 1 (kgf·m) | 9.8 (N·m) = 9.8(J) =
9.8 (W·s)
(4) Power
• 1 (kgf·m/s) | 9.8 (N·m/s) = 9.8 (J/s)
= 9.8(W)
• 1 (N·m/s) | 1 (J/s) = 1 (W)
| 0.102 (kgf·m/s)
(5) Rotation speed
•
(rad/s)0.1047)s/rad(
60
2
(r/min)1 |
S
•
(r/min)9.549(r/min)
2
60
)s/rad(1 |
S
(6) Inertia constant
J (kg·m
2
) :moment of inertia
GD
2
(kg·m
2
) :flywheel effect
• GD
2
= 4 J
•
4
GD
J
2
(7) Pressure and stress
• 1 (mmAq) | 9.8 (Pa) | 9.8 (N/m
2
)
• 1(Pa) | 1(N/m
2
) | 0.102 (mmAq)
• 1 (bar) | 100000 (Pa) | 1.02 (kg·cm
2
)
• 1 (kg·cm
2
) | 98000 (Pa) | 980 (mbar)
• 1 atmospheric pressure = 1013 (mbar)
= 760 (mmHg) = 101300 (Pa)
| 1.033 (kg/cm
2
)
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Fuji Electric frenic mini series Specifications

General

Brand	Fuji Electric
Model	frenic mini series
Category	Inverter
Language	English