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Mentor MP User Guide 149
Issue: 3 www.controltechniques.com
12.1.4 Power dissipation
The table below shows the maximum drive losses, assuming high output
current ripple content.
Table 12-4 Drive losses
12.1.5 AC Supply requirements
The standard drive is rated for a nominal supply voltage up to 480Vrms.
An optional rating of 575Vrms is available for size 1 drives.
An optional rating of 575Vrms and 690Vrms is available for size 2 drives.
12.1.6 Supply types
Drives rated for supply voltages of up to 575V (rated up to 210A) and
600V (350A and above), are suitable for use with any supply type i.e.
TN-S, TN-C-S, TT, IT with grounding at any potential i.e neutral, centre
or corner (“Grounded delta”).
Grounded delta supplies >575V are not permitted for drives rated up to
and including 210A. Grounded delta supplies >600V are not permitted
for drives rated 350A and above.
12.1.7 Main AC supply
Table 12-5 Three phase AC supply
12.1.8 Auxiliary AC supply
Table 12-6 Line to line supply
12.1.9 Line reactors
The Mentor MP, in common with all naturally commutated thyristor
drives, causes voltage notches at the input supply terminals. In order to
avoid disturbance to other equipment using the same supply, the
addition of external line inductance is strongly recommended in order to
restrict the depth of the notches imposed on the shared supply. This is
generally not necessary where a dedicated transformer is used to supply
the drive.
The following recommendations for added line inductance, have been
calculated based on the power drive systems standard: EN 61800-
3:2004 “Adjustable speed electrical power drive systems – Part 3: EMC
requirements and specific test methods”.
Table 12-7 Minimum required line inductance for a typical
application (50% ripple content)
1. The above assumes the supply has 1.5% impedance.
2. Assumes a minimum supply rating of 5kA and a maximum rating of
60kA.
12.1.10 Temperature, humidity and cooling method
Ambient temperature operating range:
0°C to 55°C (32°F to 131°F).
Output current derating must be applied at ambient temperatures
>40°C (104°F).
Model
Loss @
40°C
Loss @
50°C
Loss @
55°C
WWW
MP25A4(R)
MP25A5(R)
125 91
MP45A4(R)
MP45A5(R)
168 139 117
MP75A4(R)
MP75A5(R)
219 194 183
MP105A4(R)
MP105A5(R)
274
MP155A4(R)
MP155A5(R)
400
310
MP210A4(R)
MP210A5(R)
561 456
MP350A4(R) 954
MP350A5(R)
MP350A6(R)
1045
MP420A4(R) 1154
MP470A5(R)
MP470A6(R)
1546 1268 1162
MP550A4(R) 1568 1354
MP700A4(R) 1663
MP825A4(R)
MP700A5(R)
MP700A6(R)
1955 1795
MP825A4(R) 2160 1909 1751
MP825A5(R)
MP825A6(R)
2381 2004 1795
MP900A4(R) 2220 1908 1751
MP1200A4(R)
3635 3660
MP1200A5(R)
MP1200A6(R)
MP1850A4(R)
5203 4418 4139
MP1850A5(R)
MP1850A6(R)
Grounded delta supplies exceeding 575V are not permitted
for drives up to and including 210A. Grounded delta supplies
exceeding 600V are not permitted for drives rated 350A and
above.
Specification
Product voltage variant
480V 575V 690V
Maximum nominal supply 480V 575V 690V
Tolerance +10%
Minimum nominal supply 24V 500V
Tolerance -20% -10%
Specification Value
Maximum nominal supply 480V
Tolerance +10%
Minimum nominal supply 208V
Tolerance -10%
Drive
rated
current
System voltage Typical
current
rating
Maximum
current
rating
400V 480V 575V 690V
A μH μH μH μHA A
25 220 260 320
21 22
45 220 260 320
38 40
75 220 260 320
63 67
105 220 260 320
88 94
155 160 190 230
130 139
210 120 140 170
176 188
350 71 85 110 120 293 313
420 59 71
351 375
470
80 91 393 420
550 45 54
460 492
700 36 43 53 61 586 626
825
45 52 690 738
900 28 33
753 805
1200 21 25 31 36 1004 1073
1850 18 23 29 32 1548 1654
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