CMA 156
1Pages

Catalog excerpts

CMA 156 6 Phase Current Amplifier (6 x 25 A) CMA 156 amplifier units can be used in combination with any CMC test set or in conjunction with digital real time power system network simulators. The outputs are galvanically separated from the inputs as well as from ground and are used independently or in addition to those of the CMC test sets. The CMA 156 contains six independent current channels, arranged in two isolated groups (A, B). The outputs can be configured in various ways (connected in parallel, in series, etc.). For example, by using four CMA 156 units, 3 x 200 A can be generated. The connection to a CMC test set is made by a control cable at the back of the units.1 Used for tests requiring • more current channels than provided by the CMC test sets • multiple current channels (network simulators) Technical Data2 Current amplifiers 3 Setting range 6-phase AC (L-N) 3-phase AC (L-N) 1-phase AC (L-N) DC (L-N) Power 6 x 0 ... 25 A 3 x 0 ... 50 A (Group A II B) 1 x 0 ... 150 A (Group A II B) 2 x 0 ... ±25 A 1 x 0 ... ±50 A 6 x 70 VA at 7.5 A 3 x 140 VA at 15 A (Group A II B) 1 x 420 VA at 22.5 A 1 x 420 VA at 45 A (Group A II B) 1 x 280 VA at 7.5 A 2 x 140 W at ±10.5 A 1 x 280 W at ±21 A (Group A II B) Output power / VA per phase single phase operation A(3L-N) and B(3L-N) in parallel Accuracy Distortion (THD+N) 4 Bandwidth (-3dB) Phase lag at 50/60 Hz 5 Input voltage 6 Amplification Max. compliance voltage (L-N)/(L-L) error < 0.03 % typ., < 0.1 % guar. < 0.1 % typ., < 0.3 % guar. > 8 kHz 1.07°/1.28° 0 ... 5 VRMS 5A/V 15 Vpk / 60 Vpk Amplifiers, general Input impedance Galvanic isolation Input/Output Galvanic isolation amplifier groups Connection Amplifiers, if controlled by a CMC Frequency range sine signals range transient signals accuracy/-drift resolution Phase angle range resolution error at 50/60 Hz Output current resolution Power supply Nominal / permissible input voltage Permissible frequency range Power consumption Connection Environmental conditions Operation temperature Storage temperature Humidity range Vibration Shock EMC Emission Immunity Safety Miscellaneous Weight Dimensions (W x H x D, without handle) Certifications > 40 kΩ 1.5 kVDC 1.5 kVDC 4 mm (0.16 in) banana sockets / combination socket 10 ... 1000 Hz DC ... 3.1 kHz ±0.5 ppm / ±1 ppm 5 µHz - 360° ... +360° 0.001° < 0.02° typ., < 0.1° guar. 1 mA 110 – 240 VAC / 99 ... 264 VAC (50/60 Hz) 45 ... 65 Hz < 1000 VA Standard AC socket (IEC 60320) 0 ... +50 °C (+32 ... +122 °F) -25 ... +70 °C (-13 ... +158 °F) Relative humidity 5 ... 95 %, non-condensing IEC 60068-2-6 (20 m/s2 at 10 ... 150 Hz) IEC 60068-2-27 (15 g/11ms half-sine) Directive 2004/108/EC (CE conform) EN 61326-1, EN 61000-6-4, EN 61000-3-2/3 FCC Subpart B of Part 15 Class A EN 61326-1, EN 61000-6-2, EN 61000-4-2/3/4/5/6/11 Directive 2006/95/EC (CE conform) EN 61010-1, EN 60950-1, UL 61010-1, CAN/ CSA-C22.2 No 61010-1-04 15.4 kg (34.0 lbs) 450 x 145 x 390 mm (17.7 x 5.7 x 15.4 in) TÜV-GS If controlled by a RTS customized control cables are available Guaranteed values valid over one year within 23 °C ±5 °C (73 °F ±10 °F), in the frequency range of 10 ... 100 Hz at nominal value. Specifications for three-phase systems under symmetrical conditions (0°, 120°, 240°). For higher current/power requirements: CMA units can be switched in parallel THD+N: Values at 50/60 Hz with 20 kHz bandwidth Automatic correction if controlled by a CMC Permissible overvoltage 10 VRMS

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CMA 156 1Pages

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CMA 156
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