TWERD Power Electronics MFC710 400V Series, User Manual

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Technical data
Protections
Short-circuit Short-circuit on unit output
Overcurrent Instantaneous value 3.5 I
n;
; effective value 2.5 I
n
Overvoltage AC/DC
MFC710 400V: 1,43 U
in
(U
in
= 400V) AC; 750V DC
MFC710 500V: 1,32 U
in
(U
in
= 500V) AC; 900V DC
MFC710 690V: 1,28 U
in
(U
in
= 690V) AC; 1200V DC
Undervoltage 0.65 U
in
Thermal: device Heat sink temperature sensor
Thermal: motor I 2 t limit, motor temperature sensor (PTC type)
Supervision of
communication with control
panel Established permissible time of connection absence
Supervision of
communication through RS Established permissible time of connection absence
Control of analog inputs Check of absence of “living null” in modes 2... 10V and 4... 20mA
Control of a load symmetry E.g. a break in one of the motor phases
Underload Protection from operating without any load
Stall Protection against the stall of a motor
Table 0.2a – Technical data of frequency converters of the MFC710 400V series, depending on a type
The type of frequency
converter
Constant-torque load
(max. overload 1.5)
P
N
[kW] I
N
[A]
Variable-torque load
(max. overload 1.1
1)
)
P
N2
[kW] I
N2
[A]
I
p
[A] I
z
[A]
MFC710/0.37kW 0.37 1.5 0.55 2.0 2.25 6.3
MFC710/0.55kW 0.55 2.0 0.75 2.5 3.0 6.3
MFC710/0.75kW 0.75 2.5 1.1 3.5 3.75 6.3
MFC710/1.1kW 1.1 3.5 1.5 4.0 5.25 6.3
MFC710/1.5kW 1.5 4.5 2.2 5.5 6.0 6.3
MFC710/2.2kW 2.2 5.5 3 7.8 8.3 10
MFC710/3kW 3 7.8 4 9.5 11.7 10
MFC710/4kW 4 9.5 2) 4 9.5 15.8 16
MFC710/5.5kW 5.5 12 7.5 16 18 20
MFC710/7.5kW 7,5 17 11 23 25 25
MFC710/11kW 11 24 15 29 36 30
MFC710/15kW 15 30 18 37 45 50
MFC710/18.5kW 18.5 39 2) 18.5 39 60 59
MFC710/22kW 22 45 30 60 68 63
MFC710/30kW 30 60 37 75 90 80
MFC710/37kW 37 75 45 90 112 100
MFC710/45kW 45 90 55 110 135 125
MFC710/55kW 55 110 75 150 165 160
MFC710/75kW 75 150 90 180 225 200
MFC710/90kW 90 180 110 210 270 225
MFC710/110kW 110 210 132 250 315 315
MFC710/132kW 132 250 160 310 375 315
MFC710/160kW 160 310 180 375 465 400
MFC710/200kW 200 375 250 465 570 500
MFC710/250kW 250 465 2) 250 465 690 630
MFC710/315kW 315 585 355 650 850 800
MFC710/355kW 355 650 400 730 940 800
MFC710/400kW 400 730 2) 400 730 1100 800
MFC710/450kW 450 820 500 910 1190 1000
MFC710/500kW 500 910 560 1020 1365 1250
1) For ambient temperature < 35 0 C
2)
The permissible overload is lower and amounts to 1,1 In
8
Frequency converter MFC710 type. TWERD Power Electronics