The MTE Corporation Sine Wave Filter is designed to convert output voltage wave
forms produced by a wide variety of PWM inverters into a low distortion sine wave for
drive and power conversion applications. The suitability of this filter for a specific
application must therefore be determined by the customer. In no event will MTE
Corporation assume responsibility or liability for any direct or consequential damages
resulting from the use or application of this filter. Nor will MTE Corporation assume
patent liability with respect to the use of information, circuits or equipment described
in this instruction manual.
Page 3
Page 4
TABLE OF CONTENTS
IMPORTANT USER INFORMATION ..................................................................................................... 0
TABLE OF CONTENTS.......................................................................................................................... 0
1. IMPORTANT SAFETY INFORMATION ............................................................................................. 1
ONLY A QUALIFIED ELECTRICIAN CAN CARRY OUT THE ELECTRICAL
INSTALLATION OF THIS FILTER
WARNING
High voltage is used in the operation of this filter. Use Extreme caution to avoid contact
with high voltage when operating, installing or repairing this filter. INJURY OR DEATH MAY RESULT IF SAFETY PRECAUTIONS ARE NOT OBSERVED.
After removing power, allow at least five minutes to elapse and verify that the capacitors
have discharged to a safe level before contacting internal components. Connect a DC
voltmeter across the capacitor terminals. Start with the meter on the highest scale and
progressively switch to a lower scale as the indicated voltage falls below the maximum
value of the next lower scale used.
WARNING
The opening of the branch circuit protective device may be an indication that a fault current has
been interrupted. To reduce the risk of fire or electrical shock, current-carrying parts and other
components of the filter should be examined and replaced if damaged.
WARNING
An upstream disconnect/protection device must be used as required by the National Electrical
Code (NEC).
WARNING
Even if the upstream disconnect/protection device is open, the inverter up stream of the filter may
feed high voltage to the filter. The drive safety instructions must be followed.
DEATH MAY RESULT IF THE DRIVE SAFETY PRECAUTIONS ARE NOT OBSERVED.
WARNING
The filter must be grounded with a grounding conductor connected to all grounding terminals.
WARNING
Only spare parts obtained from MTE Corporation or an authorized MTE distributor can be used.
INJURY OR
1
Part No. INSTR-020 REL. 080310
Page 6
Sine Wave 2-8 kHz Series A Filter
2. INTRODUCTION
This manual was specifically developed to
assist in the installation, interconnection and
operation of the MTE Corporation Sine Wave
filter.
This manual is intended for use by personnel
experienced in the operation and
maintenance of electronic drives. Because of
the high voltages required by the filter and
drive and the potential dangers presented by
rotating machinery, it is essential that all
personnel involved in the operation and
maintenance of this filter know and practice
the necessary safety precautions for this type
of equipment. Personnel should read and
understand the instructions contained in this
manual before installing, operating or
servicing the filter and inverter to which it is
connected.
Upon Receipt of this Filter:
The MTE Sine Wave Filter has been
subjected to demanding factory tests before
shipment. Carefully inspect the shipping
container for damage that may have occurred
in transit. Then unpack the filter and carefully
inspect for any signs of damage. Save the
shipping container for future transport of the
filter.
In the event of damage, please contact
and file a claim with the freight carrier
involved immediately.
If the equipment is not going to be put into
service upon receipt, cover and store the filter
in a clean, dry location. After storage, ensure
that the equipment is dry and that no
condensation has accumulated on the
internal components of the filter before
applying power.
Repair/Exchange Procedure
MTE Corporation requires a Returned
Material Authorization Number before it can
accept any filters that qualify for return or
repair. If problems or questions arise during
installation, setup, or operation of the filter,
please call us for assistance at
:
Director of MTE corporate quality:
Phone: 262-253-8200 ex. 148
FAX: 262-253-8210
2
Part No. INSTR-020 REL. 080310
Page 7
Sine Wave 2-8 kHz Series A Filter
3. MODEL NUMBER CODES
Model Code Part Number Configuration
SW A X Y _ _ _ _ X YY
Sine Wave filter
Series Version. A, X Options
“X” denotes Non standard Configurations 01 NC Overtemp
Mechanical Configuration P = Panel Mount
G = General Purpose
NEMA 1 or 2
W = NEMA 3R
Indicates Physical Size: A, B, C, D, etc. (A is smallest)
Current Rating (i.e. 0045 is 45 Amps)
Voltage
D 440 – 480
E 550 – 600
3
Part No. INSTR-020 REL. 080310
Page 8
Sine Wave 2-8 kHz Series A Filter
4. SPECIFICATIONS
Efficiency and Thermal Ratings
Table 1
Filter
Maximum
Output
Amps
RMS
2
3
5
7
9
12
17
22
27
30
35
45
55
65
70
80
110
130
160
200
250
305
320
365
415
515
600
720
200 - 230 VAC, 50/60 Hz
Filter Ratings
Power
Efficiency
(Typical)
(%)
Dissipation
@ Rated
Current
(Typical)
(Watts)
90.6
93.1
93.6
96.7
95.9
96.1
96.1
97.3
-
90.6
-
97.4
97.7
-
97.9
97.8
98.2
98.2
98.4
98.3
98.4
-
98.5
-
- -
- -
- -
- -
-
124
149
191
125
206
279
362
-
329
476
520
606
752
788
989
1062
1377
1617
-
1991
-
380 - 480 VAC, 50/60 Hz
Filter Ratings
Power
Efficiency
(Typical)
(%)
Dissipation
@ Rated
Current
(Typical)
(Watts)
94.04
95.08
94.88
-
98.26
98.35
98.90
98.72
99.01
-
99.08
99.01
98.97
99.13
-
99.08
99.01
99.20
99.23
99.20
99.29
99.31
-
99.37
99.40
99.29
99.24
99.33
40
53
93
128
162
151
229
216
262
360
457
454
596
878
836
996
1286
1424
1701
-
1841
2021
2944
3698
4133
550 - 600 VAC, 60 Hz Filter
Ratings
Power
Efficiency
(Typical)
(%)
Dissipation
@ Rated
Current
(Typical)
(Watts)
97.24
97.83
98.14
98.32
98.31
98.54
98.73
98.86
98.92
-
99.08
98.93
99.04
99.01
-
99.00
99.09
99.12
99.02
99.35
99.34
99.27
-
99.32
99.26
99.33
99.38
99.44
57
67
95
120
155
177
219
253
295
323
489
535
650
806
1014
1157
1589
1315
1655
2237
-
2489
3098
3229
3406
3935
4 Part No. INSTR-020 REL. 080310
Page 9
Sine Wave 2-8 kHz Series A Filter
Service Conditions
Input voltage: 200 – 600 VAC +/- 10%, 50 & 60 Hz
Input voltage wave form: PWM
Switching Frequency: 2 – 8 kHz
Operating frequency: 6 – 60 Hz without de-rating
Temperature: Open filters -40 to 50 °C
Enclosed filters -40 to 40 °C
Storage All types -40 to 90 °C
Altitude without de-rating: 1000 meters
Relative Humidity: 0 to 99% Non condensing
Agency Approvals
File E180243 (3 – 1000 HP, 120VAC through 600 VAC
50. 50/60, 60 Hz Three Phase
Note:Short Circuit rating not required under Exception No.1 of UL508A SB4.2.1 effective 4/25/06
Current Rating
Continuous current rating: 100% RMS
Intermittent current ratings: 150 % for 1 minute
Load : Conventional 3 phase motors operating in volts per Hertz mode Standard step-up transformer with 4% minimum output impedance
“No load” continuous operation
Maximum motor lead length: 15,000 feet
Insertion loss: 10% of rated voltage maximum
Audible noise level at two meters for standard configuration: 76 DB-A
Harmonic voltage distortion feeding a transformer at full load and at 60Hz: 5% maximum
Harmonic voltage distortion feeding a motor at full load and at 60Hz: 5% typical
UL and cUL listed to UL508 Type MX and CSA-C22.2 No 14-95
Performance
5 Part No. INSTR-020 REL. 080310
Page 10
Sine Wave 2-8 kHz Series A Filter
Typical Performance Data
Fig.1
Raw drive output voltage
Fig. 2
Output voltage after sine wave filter
6 Part No. INSTR-020 REL. 080310
Page 11
1.05
Sine Wave 2-8 kHz Series A Filter
Altitude De-rating
Chart 1
Altitude Derating Curve
1.00
0.95
0.90
0.85
0.80
0.75
0.70
CURRENT DERATING FACTOR
0 3300 6600 9900 13200 16500
ALTITUDE (FEET)
Inverter Frequency De-rating
Sine Wave Filter Current Derating for Drive output Frequency
Chart 2
1.05
1
0.95
0.9
0.85
0.8
0.75
0.7
Current Derating Factor
0.65
0.6
5060708090100
Output Drive Frequency Hertz
7 Part No. INSTR-020 REL. 080310
Page 12
Sine Wave 2-8 kHz Series A Filter
5 Mechanical Data
200 - 230 Volts
Table 10
Filter
Amps
3
5
7
9
12
17
22
30
45
55
70
85
Open NEMA 1* NEMA 3R
Cat PN.
SWAP0003A
SWAP0005A
SWAP0007A
SWAP0009A
SWAP0012A
SWAP0017A
SWAP0022A
SWAP0030A
SWAP0045A
SWAP0055A
SWAP0070A
SWAP0085A
WT
Lbs
16
21
24
24
27
31
32
38
47
55
60
73
Fig.
3
3
3
3
3
3
3
4
4
4
4
A17 & B
Cat PN.
SWAGA0003A
SWAGA0005A
SWAGA0007A
SWAGA0009A
SWAGA0012A
SWAGA0017A
SWAGB0022A
SWAGB0030A
SWAGB0045A
SWAGB0055A
SWAGC0070A
SWAGC0085A
WT
Lbs
32
37
40
40
43
47
57
60
69
77
215
228
Fig.
8
8
8
8
8
8
9
9
9
9
9
12
Cat PN.
SWAWA0003A
SWAWA0005A
SWAWA0007A
SWAWA0009A
SWAWA0012A
SWAWA0017A
SWAWB0022A
SWAWB0030A
SWAWB0045A
SWAWB0055A
SWAWC0070A
SWAWC0085A
WT
Lbs
89
94
97
97
100
104
133
136
145
153
249
262
Fig.
10
10
10
10
10
10
11
11
11
11
11
12
110
SWAP0110A
135
SWAP0135A
160
SWAP0160A
200
SWAP0200A
250
SWAP0250A
320
SWAP0320A
92
100
121
167
196
228
A19 & B
A19 & B
A19 & B
A2 & C
A3 & C
A4 & C
SWAGC0110A
SWAGC0135A
SWAGC0160A
SWAGC0200A
SWAGD0250A
SWAGD0320A
247
255
271
327
479
511
12
SWAWC0110A
12
SWAWC0135A
12
SWAWC0160A
13
SWAWC0200A
13
SWAWD0250A
13
SWAWD0320A
281
289
305
351
531
563
12
12
12
13
13
13
8 Part No. INSTR-020 REL. 080310
Page 13
Sine Wave 2-8 kHz Series A Filter
380 – 480 Volts
Table 2
Filter
Amps
Cat PN.
Open NEMA 1 NEMA 3R
2 SWAP0002D
3 SWAP0003D
5 SWAP0005D
9 SWAP0009D
12 SWAP0012D
17 SWAP0017D
22 SWAP0022D
27 SWAP0027D
35 SWAP0035D
45 SWAP0045D
55 SWAP0055D
65 SWAP0065D
WT
Lbs
16
18
22
27
27
30
37
38
51
57
67
77
Fig.
3
SWAGA0002D
3
SWAGA0003D
3
SWAGA0005D
3
SWAGA0009D
3
SWAGA0012D
3
SWAGA0017D
4
SWAGB0022D
4
SWAGB0027D
4
SWAGB0035D
4
SWAGB0045D
4
SWAGB0055D
5
SWAGB0065D
Cat PN.
WT
Lbs
32
34
38
94
94
94
122
123
131
137
147
157
Fig.
8
8
8
8
8
8
9
9
9
9
9
9
Cat PN.
SWAWA0002D
SWAWA0003D
SWAWA0005D
SWAWA0009D
SWAWA0012D
SWAWA0017D
SWAWB0022D
SWAWB0027D
SWAWB0035D
SWAWB0045D
SWAWB0055D
SWAWB0065D
WT
Lbs
89
91
95
100
100
100
135
136
144
150
160
170
Fig.
10
10
10
10
10
10
11
11
11
11
11
11
80 SWAP0080D
110 SWAP0110D
130 SWAP0130D
160 SWAP0160D
200 SWAP0200D
250 SWAP0250D
305 SWAP0305D
365 SWAP0365D
415 SWAP0415D
515 SWAP0515D
600 SWAP0600D
720 SWAP0720D
86
117
134
163
188
233
266
425
500
650
825
1125
5
A1& B
A2 & B
A3 & B
A4 & B
A6 & B
A7 & C
A8 & C
A10 & C
A12 & C
A13 & D
A15 & D
SWAGC0080D
SWAGC0110D
SWAGC0130D
SWAGC0160D
SWAGD0200D
SWAGD0250D
SWAGD0305D
SWAGD0365D
SWAGD0415D
SWAGD0515D
SWAGE0600D
SWAGE0720D
246
277
294
323
471
516
549
631
700
814
1012
1128
12
SWAWC0080D
12
SWAWC0110D
12
SWAWC0130D
12
SWAWC0160D
13
SWAWD0200D
13
SWAWD0250D
13
SWAWD0305D
13
SWAWD0365D
13
SWAWD0415D
13
SWAWD0515D
14
SWAWE0600D
14
SWAWE0720D
270
301
318
347
523
568
601
683
752
866
1063
1179
12
12
12
12
13
13
13
13
13
13
14
14
9 Part No. INSTR-020 REL. 080310
Page 14
Sine Wave 2-8 kHz Series A Filter
550 - 600 Volts
Table 3
Filter
Amps
Cat PN.
Open NEMA 1 NEMA 3R
2 SWAP0002E
3 SWAP0003E
5 SWAP0005E
7 SWAP0007E
9 SWAP0009E
12 SWAP0012E
17 SWAP0017E
22 SWAP0022E
27 SWAP0027E
35 SWAP0035E
45 SWAP0045E
55 SWAP0055E
WT
Lbs
18
21
24
26
27
27
37
38
45
58
63
75
Fig.
3
SWAGA0002E
3
SWAGA0003E
3
SWAGA0005E
3
SWAGA0007E
3
SWAGA0009E
3
SWAGA0012E
4
SWAGB0017E
4
SWAGB0022E
4
SWAGB0027E
4
SWAGB0035E
4
SWAGB0045E
5
SWAGB0055E
Cat PN.
WT
Lbs
34
37
40
42
94
94
101
123
130
138
143
155
Fig.
8
8
8
8
8
8
9
9
9
9
9
9
Cat PN.
SWAWA0002E
SWAWA0003E
SWAWA0005E
SWAWA0007E
SWAWA0009E
SWAWA0012E
SWAWB0017E
SWAWB0022E
SWAWB0027E
SWAWB0035E
SWAWB0045E
SWAWB0055E
WT
Lbs
91
94
97
99
100
100
107
136
143
151
156
168
Fig.
10
10
10
10
10
10
11
11
11
11
11
11
65 SWAP0065E
80 SWAP0080E
110 SWAP0110E
130 SWAP0130E
160 SWAP0160E
200 SWAP0200E
250 SWAP0250E
305 SWAP0305E
365 SWAP0365E
415 SWAP0415E
515 SWAP0515E
600 SWAP0600E
720 SWAP0720E
86
117
146
166
194
236
280
425
490
726
750
1225 A15 & D
1375
5
A1 & B
A3 & B
A4 & B
A5 & B
A6 & B
A6 & B
A8 & C
A9 & C
A11 & D
A14 & C
A16 & D
SWAGB0065E
SWAGC0080E
SWAGC0110E
SWAGC0130E
SWAGC0160E
SWAGD0200E
SWAGD0250E
SWAGD0305E
SWAGD0365E
SWAGD0415E
SWAGD0515E
SWAGE0600E
SWAGE0720E
1203
1327
166
277
306
326
354
519
547
630
696
801
916
9
SWAWB0065E
12
SWAWC0080E
12
SWAWC0110E
12
SWAWC0130E
12
SWAWC0160E
13
SWAWD0200E
13
SWAWD0250E
13
SWAWD0305E
13
SWAWD0365E
13
SWAWD0415E
13
SWAWD0515E
14
SWAWE0600E
14
SWAWE0720E
179
301
330
350
378
571
599
682
748
853
968
1254
1378
11
12
12
12
12
13
13
13
13
13
13
14
14
10 Part No. INSTR-020 REL. 080310
Page 15
Sine Wave 2-8 kHz Series A Filter
6. INSTALLATION INSTRUCTIONS
Sine Wave filters are supplied in the
following mechanical configurations:
Panel mounted assemblies
Floor mounted general purpose NEMA 1
& 3R cabinets
Panel mounted filters are designed for
mounting in the vertical plane in the
customer’s enclosure. Include the power
dissipation of the filter along with all the
other components located in the panel to
determine the internal temperature rise and
cooling requirements of the enclosure. An
option NC temperature switch may be
added to protect against filter over heating.
Allow a minimum side clearance of four (4)
inches and a vertical clearance of six (6)
inches for proper heat dissipation and
access within the enclosure. Panel mounted
Sine Wave filters generate heat and should
be positioned away from heat sensitive
components. Ensure that proper panel
orientation is maintained. Keep the
capacitors away from reactor and resistor
heat flow. Avoid locations where the filter
would be subjected to excessive vibrations.
Figures 3
drawings for the various current ratings and
show proper panel mounting orientation. For
filters above 80 amps refer to table 4 and
– 5 contain open panel outline
Figure A & B for the dimensions of the
separately mounted reactor and the RC panel.
The RC panel should be located away from
the reactor and in the lowest temperature
regions of the enclosure – generally toward
the bottom.
General purpose NEMA 1, 2 and 3R
enclosed filters are designed for floor
mounting in an environment suitable for the
enclosure type. Do not install in or near a
corrosive environment. Avoid locations
where the filter would be subjected to
excessive vibrations. Allow a minimum side
and back clearance of eight (8) inches and
front clearance of thirty-six (32 inches for
proper heat dissipation and access. Page
20 will direct you to the appropriate outline
drawings shown in fig. 8 through fig 14
Locate the filter as close to the inverter
as possible. Do not exceed a maximum
distance of 50 feet.
Sine Wave Filters rated 80 amps through 720 amps are made up of a reactor and a
RC panel. These components are designed to be mounted vertically within an
appropriate enclosure. The reactor generates heat and should be mounted away
from components affected by heat. Align the reactor to allow cooling air to flow
through it. A filter showing correct reactor alignment and placement is shown in
figure 6. The RC panel should be located in the lowest temperature regions of the
enclosure – generally toward the bottom. An example of an MCC application is
shown in Figure 7
Table 4
FIG. A
Figure
A1
A2
A3
A4
A5
A6
A7
A8
A9
A10
A11
A12
A13
A14
A15
A16
A17
A18
A19
DIMENSIONS Inches
A (W) B (H) C (D) D E
14.4 13 10.5 8.75 4.6
14.4 13 10.75 8.75 4.6
14.4 13 11.25 8.75 4.6
14.4 13 11.5 9.25 4.6
14.4 13 12.25 9.75 4.6
14.4 13 13.5 10.75 4.6
14.4 13 15 11.75 4.6
22 17 12.5 6.7 7.2
22 17 13.5 7.7 7.2
22 17 15.5 8.2 7.2
22 17 17 9.7 7.2
22 17 15.5 9.7 7.2
22 17 22 12.2 7.2
22 17 17.75 11.2 7.2
33.5 28.5 19.5 12.5 11
33.5 28.5 20 12.5 11
9 6.9 8.1 4.7 4.3
14 13 11.8 6.7 7.2
11 8.8 9.8 4.8 5.6
15 Part No. INSTR-020 REL. 080310
Page 20
Sine Wave 2-8 kHz Series A Filter
RC Panel: 85 – 160 AMPS 200 - 230 VAC
110 - 160 AMPS 380 - 480 VAC
80 - 250 AMPS 550 - 600 VAC
Fig. B
16 Part No. INSTR-020 REL. 080310
Page 21
Sine Wave 2-8 kHz Series A Filter
RC Panel: 200 - 320 AMPS 200 - 230 VAC
200 - 515 AMPS 380 - 480 VAC
305, 365, 515 AMPS 550 - 600 VAC
Fig. C
17 Part No. INSTR-020 REL. 080310
Page 22
Sine Wave 2-8 kHz Series A Filter
RC Panel: 600 - 720 AMPS 440 - 480 VAC
415, 600, 720 AMPS 550 – 600 VAC
Fig. D
18 Part No. INSTR-020 REL. 080310
Page 23
Sine Wave 2-8 kHz Series A Filter
Fig. 6
Vertical MOUNTING OF OPEN REACTOR & RC Panel
600 amp open reactor & RC panel shown in customer provided enclosure and mounting
hardware.
NOTE: Maintain orientation as shown for proper component cooling. Do not place RC panel above
reactor or position capacitors above resistors. RC panel may be mounted horizontally.
19 Part No. INSTR-020 REL. 080310
Page 24
Sine Wave 2-8 kHz Series A Filter
350Hp MCC using optional bay for Sine Wave installation
Fig. 7
Note: The above Sine Wave filter example is shown with customer provided
support hardware. Other installation variations are at the customer’s discretion
as long as thermal guidelines are followed.
20 Part No. INSTR-020 REL. 080310
Page 25
Sine Wave 2-8 kHz Series A Filter
Enclosed Units
Table 5
Enclosure
Indicator
GA
GB
GC
GD
GE
WA
WB
WC
WD
WE
See Mechanical Data for enclosed weights.
Width Height Depth
13 13 13 Cab 13V NEMA 1 8
17 24 18 Cab 17V NEMA 1 9
27 47 25 Cab 26C NEMA 1 -2 12
31 72 31 Cab 30C NEMA 1 -2 13
43 72 25 Cab 42C NEMA 1 -2 14
12.5 24 18 Cab 12C NEMA 3R 10
17.5 31 21 Cab 17C NEMA 3R 11
26.5 47 30 Cab 26C NEMA 3R 12
30.5 72 40 Cab 30C NEMA 3R 13
43 72 34 Cab 42C NEMA 3R 14
Input and output wiring to the filter
should be performed by authorized
personnel in accordance with NEC and
all local electrical codes and
regulations.
Verify that the rating of the filter is compatible
with the inverter to which it is to be connected.
Follow all detailed inverter manufacturer
installation and safety instructions. Inverter and
load Cable selection / placement should be in
accordance with the requirements of the NEC
and all local electrical codes and regulations
The typical interconnection diagrams that
follow are shown for a motor load but the load
can be either a motor or a transformer. For
enclosed filters supplied in general purpose
NEMA1 and 3R cabinets and open panel filters
rated less than 80 amperes, interconnection
between the filter, motor and the inverter is
shown in Fig. 15
manual for instructions on interconnecting the
inverter and motor and the correct start-up
procedures for the inverter. The sine wave
filter is primarily designed to operate from a
drive using the volts per Hertz mode. For drive
auto-tune or feedback using the motor consult
the drive manufacture for setting the drive with
output filters.
For power supply / frequency converter
applications using a PWM inverter, the output of
the Sine wave must feed a Delta- Wye isolation
transformer to accommodate the effects of load
imbalances and to cancel tripplen harmonics. See
Fig. 17
The filter is designed for use with copper
conductors with a minimum temperature rating
of 75 degrees C. Table 7
and terminal torque requirements for the power
input and output connections.
for details.
Refer to the inverter user
lists the wire range
For panel mounted filters rated 80 amperes or
more, the filter reactor is supplied loose and
the RC network is supplied as an RC panel
assembly. Refer to fig. 16
interconnection diagram. To select appropriate
conductors for the wiring between the reactor
and the RC panel refer to table 8
contains the terminal specifications for these
connections.
Use the cable recommended by the inverter
manufacturer to connect the inverter to the
filter and the filter to the motor. Make certain,
that the selected cable size conforms to the
requirements of the National Electric Code and
all local codes.
For open filters refer to Fig. 3
location of Input, output, and ground
connections. For enclosed filters, ground
terminals will be clearly marked. Power wiring
terminations are clearly marked on the reactor.
Larger enclosed filters require power for the
fans. A terminal for 115 VAC 50/60 Hz fan
power is also provided for connecting to clean
customer power. See table 10
Grounding
The filter must always be grounded with a
grounding conductor connected to ground
terminals.
For cable shield grounding follow the inverter
manufactures recommendations. Fig 15
shows a typical shield ground connection.
Optional Over Temperature Interlock
for a typical
. Table 7
through 5 for the
for fan wiring.
& 16
The optional over temperature interlock
can be used to turn off the inverter in the
event it is setup to operate with a switching
frequency outside of the range of the filter
or an inverter / motor malfunction. The
temperature switch is normally closed and will
open when an internal reactor temperature of
180 °C is reached. See
table 9 for contact
rating information and the inverter user
manual for interconnection information.
*Size interconnecting wire to carry current shown on table 8.
31 Part No. INSTR-020 REL. 080310
Page 36
Sine Wave 2-8 kHz Series A Filter
Maximum RC PANEL Current for Open Wiring
Inter-connect wire sizes
Table 8
Filter
Rating
Amps Maximum Amps RMS Maximum Amps RMS Maximum Amps RMS
80 10 11 11
110 14 16 16
130 17 17 17
160 21 22 21
200 - 27 23
250 32 33 29
305 - 40 37
230 Vac Units 460 Vac Units 575 Vac units
320 41 - -
365 47 49 46
415
515
600
720
54 54
66 66
80 75
86 80
See figure 16 for interconnection details. Each of the six interconnection wires
should be rated for the current from the above RC panel wiring table. See table 7
for 75 °C wire examples.
32 Part No. INSTR-020 REL. 080310
Page 37
Sine Wave 2-8 kHz Series A Filter
Option 01
OVER TEMPERATURE INTERLOCK
Table 9
TYPE BI – METAL THERMAL SWITCH
CONTACT (NC) NORMALLY CLOSED
RATINGS
6A 120 VAC RESISTIVE
3A 240 VAC RESISTIVE
5A 120 VAC INDUCTIVE
2.5A 240 VAC INDUCTIVE
TEMPERATURE CONTACTS OPEN 180°C
33 Part No. INSTR-020 REL. 080310
Page 38
Sine Wave 2-8 kHz Series A Filter
Fan Power
All enclosed part number filters listed below have fans that require a source of
clean 115 volt 50/60 Hz power.
Table 10
Filter Voltage PN NEMA1 PN NEMA3R Cab Fans total load amps
SWAGC0200ASWAWC0200A26C2/32 x 6"
200-230 VAC
380-480 VAC
550-600 VAC
Note: The clean 115 volt control power to the fans is customer supplied.
SWAGD0250ASWAWD0250A30C2/32 x 10"
SWAGD0320ASWAWD0320A30C2/32 x 10"
SWAGC0160DSWAWC0160D26C2/32 x 6"
SWAGD0200DSWAWD0200D30C2/32 x 10"
SWAGD0250DSWAWD0250D30C2/32 x 10"
SWAGD0305DSWAWD0305D30C2/32 x 10"
SWAGD0365DSWAWD0365D30C2/32 x 10"
SWAGD0415DSWAWD0415D30C2/34 x 10"
SWAGD0515DSWAWD0515D30C2/34 x 10"
SWAGE0600DSWAWE0600D42C2/34 x 10"
SWAGE0720DSWAWE0720D42C2/34 x 10"
SWAGD0130ESWAWD0130E30C2/32 x 10"
SWAGD0160ESWAWD0160E30C2/32 x 10"
SWAGD0200ESWAWD0200E30C2/32 x 10"
SWAGD0250ESWAWD0250E30C2/32 x 10"
SWAGD0305ESWAWD0305E30C2/32 x 10"
SWAGD0365ESWAWD0365E30C2/32 x 10"
SWAGE0415ESWAWE0415E42C2/34 x 10"
SWAGE0515ESWAWE0515E42C2/34 x 10"
SWAGE0600ESWAWE0600E42C2/34 x 10"
SWAGE0720ESWAWE0720E42C2/34 x 10"
0.48
0.96
0.96
0.48
0.96
0.96
0.96
0.96
1.92
1.92
1.92
1.92
0.96
0.96
0.96
0.96
0.96
0.96
1.92
1.92
1.92
1.92
A terminal block labeled “Fan Power” is provided inside the enclosure for this purpose
34 Part No. INSTR-020 REL. 080310
Page 39
Sine Wave 2-8 kHz Series A Filter
8. FILTER DESCRIPTION
The MTE Series A Sine Wave Filter is a
low pass filter containing proprietary
technology, which makes it particularly
useful for filtering the output of PWM
inverters. The filter consists of a reactor
and a resistor capacitor network. Figure 18
shows a block diagram of the filter. The
PWM output from the inverter is connected
to the input terminals of the reactor. The
load, which can be either a motor or a
transformer, is connected to the output
terminals of the reactor.
MTE Series A sine-wave filters are
designed to provide a sine wave output
voltage when driven from PWM inverters
with switching frequencies from 2 kHz to 8
kHz. For drive applications, these filters
eliminate the problem of motor insulation
failures and they also reduce
electromagnetic interference by
eliminating the high dv/dt associated with
inverter output wave forms. For alternate
energy applications where an inverter is
used to return power to the utility
distribution system through a step up
transformer these filters meet the
requirements of IEEE 519.
Sine wave filters are available in open
panel, NEMA 1, 2, and 3R mechanical
configurations. For both variable torque
and constant torque applications, select
filters based on the horsepower rating of
the motor. Filter current ratings have been
designed to meet the requirements of NEC
motor current ratings. For applications that
use motors with current ratings that
exceed NEC values selected a filter with a
current rating equal to or greater than that
of the load.
For inverters feeding isolation
transformers select a filter with a current
rating equal to or greater than that of the
transformer primary current.
Typical applications for Series A sinewave filters are submersible pumps, low
voltage drives feeding medium voltage
motors, HVAC equipment, wind turbines
and applications where the distance
between the motor and inverter is up to
15,000 feet.
Note: Series A sine-wave filters can only
be used with PWM inverters with switching
frequencies set between 2 and 8 kHz.
For voltages other than 440-480, 550-600
VAC, contact the factory.
Filters for motors that will be operated
above 60 Hz should be selected based on
the frequency de-rating curve
(Chart 2
.
) shown on page 7.
35
Part No. INSTR-020 REL. 080310
Page 40
Sine Wave 2-8 kHz Series A Filter
200 V – 600 VAC
BLOCK DIAGRAM
FIGURE 18
36
Part No. INSTR-020 REL. 080310
Page 41
9. Startup
Safety Precautions
Before startup, observe the following warnings
and instructions:
Internal components of the filter are at
line potential when the filter is
connected to the drive This voltage is
extremely dangerous and may cause
death or severe injury if you come in
contact with it.
After disconnecting the utility power,
wait at least 5 minutes before doing any
work on the filter connections. After
removing power, allow at least five
minutes to elapse and verify that the
capacitors have discharged to a safe
level before contacting internal
components. Connect a DC voltmeter
across the capacitor terminals. Start
with the meter on the highest scale and
progressively switch to a lower scale
as the indicated voltage falls below the
maximum value of the scale used.
1. Read and follow safety precautions.
2. After installation, ensure that:
• All filter ground terminals are
• Power wiring to the utility, inverter,
3. Check that moisture has not
Sine Wave 2-8 kHz Series A Filter
WARNING
WARNING
Sequence of Operation
Including those of drive manufactures.
connected to ground.
filter and motor is in accordance with
the installation and connection
instructions in Chapter 5.
condensed on the filter components. If
moisture is present, do not proceed
with startup until the moisture has
been removed.
WARNING
Use extreme caution to avoid contact
with line voltage when checking for
power. INJURY OR DEATH MAY
RESULT IF SAFETY PRECAUTIONS
ARE NOT OBSERVED.
4. Refer to the inverter user manual
for the inverter startup procedure.
Observe all safety instructions in
the inverter user manual.
5. Disconnect filter output terminals
from the motor.
6. Set the inverter switching
frequency between 2 kHz and 8
kHz. Refer to the inverter user
manual.
CAUTION
Damage to the filter may occur if the
inverter frequency is not set between 2
kHz and 8 Khz.
7. Turn the inverter ON
8. Confirm that inverter voltage is
present at the input terminals (U1,
V1, W1) of the filter.
9. Confirm that inverter voltage is
present at the output terminals (U2,
V2, W2) of the filter.
10. Disconnect the inverter from the
AC Line and wait 5 minutes.
11. Connect the filter output to the
motor.
12. Refer to the inverter user manual
for the motor startup procedure.
37 Part No. INSTR-020 REL. 080310
Page 42
Sine Wave 2-8 kHz Series A Filter
10.Trouble Shooting
WARNING
INJURY OR DEATH MAY RESULT IF
THE INVERTER SAFETY
PRECAUTIONS ARE NOT OBSERVED.
CAUTION
WARNING
When properly installed, this equipment
has been designed to provide maximum
safety for operating personnel.
However, hazardous voltages and
elevated temperatures exist within the
confines of the enclosure. Servicing
should therefore be performed by
qualified personnel only and in
accordance with OSHA Regulations.
To aid in troubleshooting a block diagram is
shown in figure 17 and interconnection
diagrams are shown in figures 15 and 16 A
list of potential problems and solutions are
listed below.
After removing power, allow at least
five minutes to elapse and verify that
the capacitors have discharged to a
safe level before contacting internal
components. Connect a DC
voltmeter across the capacitor
terminals or terminals U1, V1or V1,
W1 Start with the meter on the
highest scale and progressively
switch to a lower scale as the
indicated voltage falls below the
maximum value of the scale used.
WARNING
High voltage is used in the operation of
this filter. Use Extreme caution to avoid
contact with high voltage when
operating, installing or repairing this
filter. INJURY OR DEATH MAY RESULT
IF SAFETY PRECAUTIONS ARE NOT
OBSERVED.
38
Part No. INSTR-020 REL. 080310
Page 43
Sine Wave 2-8 kHz Series A Filter
PROBLEM:
Possible cause:
Solution:
Possible cause:
Solution:
Possible cause:
Solution:
Possible cause:
Solution:
Voltage is not present at the filter Input terminals.
Power to the inverter is turned off or shut down.
Turn power on, check inverter errors.
One or more external line fuses are blown.
Verify the continuity of line fuses in all phases. Replace as
necessary.
Inverter is defective or undersized
Refer to inverter user manual. Larger filter
Inverter fault, Large filter causes over current fault by filter cap load.
Select filter to match motor FLA, increase size of drive to allow for
long lead cable application.
PROBLEM:
Possible cause:
Solution:
Possible cause:
Solution:
Possible cause:
Solution:
Sine Wave filter runs Hot
Normal operation reactor and resistors are > 120 °C
Caution parts are very hot and may cause burns. Follow installation
guidelines for clearances and check for adequate air flow.
Inverter switching frequency is not set between 2 kHz and 8 kHz
Set switching frequency above 2 kHz
Heat buildup within enclosure
Provide clearance and venting for filter components
39
Part No. INSTR-020 REL. 080310
Page 44
TROUBLESHOOTING - continued
ISO 7.2.3 Sine Wave Filter Series A 200-600 VAC User Manual INSTR-020
Revision Date Revision History
--- 10/12/05 New document written by Wayne Walcott
080310 03/09/08
By WRW Updated per ECN 5695: updated open panel Reactor size table
4; added fan power table 10 for cabinets
40 Part No. INSTR-020 REL. 080310
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