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However, the induction motor's mechanical design, in terms of bearings and balancing, limits the maximum frequency on which it can be operated in good condition. PWM frequency converter can output frequencies up to 400 Hz. Induction motor running above rated speed should be confirmed with the manufacturer. For instance, the problem of broken rotor bars, mainly due to excessive starting torque, is practically avoided by means of soft starting with a frequency converter. PWM frequency converter controlled AC motors are usually more reliable than those supplied directly on grid. The benefits are huge, such as enhanced process control, energy savings, and small inrush currents and torque pulsations during the starting period which gives a longer life for water pumps and applications with motors, better reliability and performance. Provide the ability to create and execute, on command, transients that substitute a selected waveform in the output for 1 to 100 cycles.PWM (Pulse Width Modulation) frequency converter controlled AC motors are being used in a big numbers throughout a wide range of industrial applications. Provide the ability to create and execute on command, transients that occur linearly over a specified time segment to modify output voltage or frequency. The process is as simple as keying in the harmonic multiple, the amplitude, and the phase angle for each desired harmonic up through the 51st. Provides the ability to quickly create virtually any AC Test Waveform that may be required by building it out of harmonics. Waveform Synthesis (optional on UPC12/32) Data presented includes the magnitude of each harmonic in %, the total harmonic distortion, and the odd and even harmonic distortion in %. Provides both a graphic and numeric display of the harmonic structure of a voltage or current waveform. Provides the ability to modify a stored waveform by specifying the waveform amplitude desired at each specific phase angle. An unlimited number of waveforms may be stored on the computer for those using a programmable UPC. Locations 2-16 are editable and can be substituted in any output phase. Memory location #1 is a non-editable high resolution sine wave. Up to 16 different waveforms can be stored in the waveform library for execution as part of a steady state program or for substitution in any output phase as part of a transient test program. Compensation range is ☑0% of the output voltage.
#Amx to pwm converter series#
The exceptionally broad bandwidth (50 kHz small signal), combined with low output impedance and high crest factor ratings give the AMX Series the ability to produce high quality, low distortion output power into the most dynamic loads. Applications range from simple, manually controlled frequency conversion to power-line susceptibility testing and sophisticated bus programmable transient simulation. Control and operating features provide a high degree of application versatility and ease of use for the test engineer. Great emphasis has been placed on low acoustic noise, ease of installation, and safety. Offering both single and three phase models, units are conservatively designed with output power ratings are based on the most severe combination of input line, output voltage, power factor, and temperature.
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Larger chassis may be paralleled to create systems that range from 9 to 90 kVA. Stand-alone models range from 500 VA to 6 kVA. The linear amplifiers within the AMX Series power sources are unmatched in their ability to produce the high crest factor, low-distortion, high fidelity output waveforms required by the most demanding AC Test Power applications. When power quality matters, the AMX Series family of High Performance Linear AC Power Sources is the answer.