Paralleled AMX Series

Take Control of Your AC Power

The AMX Series is a family of High Performance Linear AC Power Sources covering the power range from 500 VA to 12 kVA with standard models and up to 30 kVA with optional M5283 option.
 
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360 AMX

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    Paralleled AMX Series Models

     
    The versatility of the M5283 Paralleling option for the 140/160/345/360AMX and 140/160/345/360AMXT AC Power Sources provide the user a wide variety of options using the building block approach to a higher capacity AC Power Source. Each paralleled group of M5283 AC Power Sources requires one‘Master’ unit with a UPC12 or UPC32 controller. The following tables provide examples of the many different configurations possible with each of the AC power source models.
     
     

     

    Paralleling of the Models 140, 160, 345, 360AMX and 140, 160, 345, 360AMXT

    (System Power up to 30 kVA)

     

    Configure your system and decide the level of flexibility as per your current and future requirements. The paralleling option for the models 140, 160345, 360AMX and 140, 160345, 360AMXT describes a multi-cabinet AC Power Source which can be expanded up to 5 cabinets, to reach system power levels up to 30 kVA. Addition or deletion of cabinets is easily performed by the user in the field. The system may consist of one master unit and any combination of 4 additional units which can be either Master/Slave selectable or dedicated slave units. One Master unit with UPC Oscillator UPC12 or UPC32 is required per system.

     
     
     

     

  • Key Features Provide Application Versatility

    • IEEE-488.2 or RS-232C with SCPI compatibility
    • Now compatible with UPC Studio graphical user interface
    • LabVIEW for Windows®/LabWindows® drivers
    • Waveform Creation by Harmonic Synthesis
    • Graphical Analysis (Voltage and Current)
    • Harmonic Analysis (Voltage and Current)
    • Metering of RMS and Peak Values
    • Continuous Self Calibration (CSC)
    • Line Sync Option
    • 6:1 Peak Current Capability
    • Low Impedance for EN61000-3-2, 3 Testing
    • Programmable Output Impedance
    • Up to 0-300 VAC Direct Coupled Out
    • 1 Phase / 3 Phase Switch Selectable
    • 20-5000 Hz Full Power Bandwidth
    • Power Levels from 500 VA to 12 kVA standard; 30kVA optional
    • Externally Referenced Meter Calibration
    • CE and ETL Mark available
     

    Design Provides Total Control of AC Power

    • All AMX Series power source models may be equipped with either a digitally programmable Oscillator/Controller (UPC type) or a manually controlled Oscillator (UMC type).
    • Single phase power source models may be controlled to operate on either a 0-135 VAC range or a 0-270 VAC range. Three phase models are additionally switchable to 3ø/1ø output power form.
    • Total control of the output power form and the selection of either the direct output or the optional transformer output is available from the front panel or the bus.
    • All operating functions may be controlled from either the front panel or from a remote RS-232 or IEEE 488.2/ SCPI BUS. LabVIEW for Windows® and LabWindows® Instrument Drivers are available.
     

    Special AMX Series Operating Features

    Continuous Self Calibration
    Provides for exceptional accuracy of the AC output Voltage. When enabled, accuracy improves to ±0.03% referenced to the power source internal voltmeter.

    Programmable Dynamic Output Impedance (optional on UPC12/32)
    Programmable Output Impedance provides the operator with dynamic control over the output impedance of the AC Power Source. Using the output current term as conditioned feedback signal to the output voltage circuits, positive or negative impedance may be programmed. The purpose of this control is to simulate the effects of or compensate for high peak current, distribution, or transformer losses of up to ±10% of the output voltage.

    This feature creates positive, negative, or zero output impedance (Zo).
    • Compensates for line distribution or transformer losses.
    • Simulates a soft power line for product testing. Compensation range is ±10% of the output voltage.

    Waveform Library
    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. Memory location #1 is a non-editable high resolution sine wave. Locations 2-16 are editable and can be substituted in any output phase. An unlimited number of waveforms may be stored on the computer for those using a programmable UPC.

    Waveform Edit
    Provides the ability to modify a stored waveform by specifying the waveform amplitude desired at each specific phase angle.

    Waveform Analysis (optional on UPC12/32)
    Provides both a graphic and numeric display of the harmonic structure of a voltage or current waveform. Data presented includes the magnitude of each harmonic in %, the total harmonic distortion, and the odd and even harmonic distortion in %.

    Waveform Synthesis (optional on UPC12/32)
    Provides the ability to quickly create virtually any AC Test Waveform that may be required by building it out of harmonics. 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.

    Time Based Transients
    Provide the ability to create and execute on command, transients that occur linearly over a specified time segment to modify output voltage or frequency.

    Cycle Based Transients
    Provide the ability to create and execute, on command, transients that substitute a selected waveform in the output for 1 to 100 cycles.
  • Applications

    AC Test Power
    The AMX Series Power Source is equipped with a powerful microcontroller to create a fully integrated test system. It supplies a variety of power conditions to the device under test and meters/analyzes all output performance parameters.

    Frequency/Voltage Conversion
    The AMX Series is an excellent source of stable AC voltage over the frequency range of 20 to 5,000 Hz. The output frequency is quartz-crystal stabilized. Output voltages up to 600 VAC are provided.

    Phase Conversion
    With the ability to provide single and three-phase outputs, the AMX Series is the perfect choice to provide 1 Phase to 3 Phase or 3 Phase to 1 Phase conversion.
     

    Controller Selection Guide

    Four controller models are available with the AMX-Series. They include 1 Phase and 3 Phase models for both manual and programmable control.
    • UMC-31, 1/3 Phase Manual Control, 45 Hz to 500 Hz.
    • UPC-12, 1 Phase Programmable Control, 20 Hz to 5,000 Hz.
    • UPC-32, 3 Phase Programmable Control, 20 Hz to 5,000 Hz.
    • UPC-32E, 3 Phase Programmable Control, 20 Hz to 599.9 Hz.

    All controllers provide manual operation from the front panel. Programmable Controllers may be programmed from the front panel or from a remote interface. IEEE 488 interface is standard. RS232 interface is optional.
     

    Dual Range Output Magnetics Options

    AMX Series Power Sources can be equipped with output transformers to provide an alternate output voltage range. Selection of direct or transformer coupled range is performed by the controller via front panel or bus command. The standard frequency range for transformer coupled outputs is 45 to 5,000 Hz. Standard output ratios are 1.5:1, 2.0:1, and 2.5:1. Transformer outputs are supplied internally or externally via a Magnetics Module as listed in the above table. Consult the factory for additional information regarding special output ranges not listed above.
  • Power Source Specifications

    Output Frequency:
    20 to 5000 Hz. Full Power

    Line Regulation:
    0.1% max for a 10% line change

    Load Regulation:
    0.25% 20 to 2000 Hz. 0.5% 2000 to 5000 Hz. Can be improved to less than 0.03% with CSC engaged

    Output Distortion:
    0.1% THD from 20 to 1000 Hz 0.25% THD from 1000 to 5000 Hz

    Ripple and Noise:

    -72 dB

    Response Time:
    5µsec. typical to a step load change. Small signal band-width is 5 Hz. to 50 kHz, typical.
     

    Mechanical Specifications

    All models are designed for operation in 19 inch equipment racks. Models above 1800 VA have side handles for ease of handling.

    Mounting:
    Standard 19 inch rack. Slide rails are available as an option for all models.

    Height:
    See model table above for panel height.

    Depth:
    Will not exceed 24 inches from the front panel to the rear of the chassis, including connectors, handles and cabling.

    Cooling:
    Forced air, front or side intakes, rear exhaust with auto fan speed control for low acoustic noise operation.
     

    UPC Controller Specifications

    The UPC controller is essentially a single or three phase AC arbitrary waveform generator and Precision AC metering system. The waveform for each phase may be independently selected and may be independently varied in amplitude and phase angle with respect to phase A (3 phase systems).

    The UPC output metering samples the output volts and amps at 512 samples per measurement using a 12 bit A/D converter. This technique provides exceptional metering accuracy and resolution (20 bits), and delivers a high-fidelity waveform back to a host computer for analysis.

    The UPC includes a remote GPIB interface compatible with IEEE 488.2 and SCPI. An available option is an RS-232 serial port that operates up to 38.4 kBaud.

    Frequency:
    20.00 to 5000 Hz ±0.01%

    Voltage (Direct):
    Programmable, 0-VMAX, in 0.1 volt steps (see table).

    Phase Angle:
    Phase Angle (f) of Phases B and C relative to Phase A is programmable from 0-359° in 1° increments ± 0.5°.

    Current Limit:
    Current limit is programmable from 0 to I peak maximum of the power source. Accuracy is ± 1%, resolution ± 0.05%.

    Waveform Library:
    Stores up to 15 waveforms that can be edited and executed in any manner and in any output phase.

    Voltmeter:
    Range: 0-354 volts L-N, 0-708 volts L-L
    Resolution: 0.10VAC to front panel, 0.001VAC to remote interface
    Accuracy: ± 0.25% of reading ± 0.1% of range (50-500Hz)

    Ammeter:
    Range: 300% of system current rating
    Resolution: 0.01AAC to front panel, 0.001AAC to remote interface
    Accuracy: ± 0.25% of reading ± 0.1% of range (50-500Hz)

    Power Meter:
    Range: Based on ammeter range
    Resolution: 1.0 watts or VA to front panel, 0.001 Watts or VA to remote interface
    Accuracy: ± 1% of Full Scale

    Power Factor & Crest Factor:
    Calculated and displayed to three significant digits.
     

    Expanding the AC Power Source into an Automated Test System

    Pacific’s line of Smartsource® AC Power Sources enable the engineer to simply automate his testing by using Lab VIEW for Windows® or LabWindows®. An extensive list of Virtual Instruments (VIs) are offered for Pacific’s AMX Series Power Sources.



    Manual Control of AC Power
    • Provide easy manual control with Pacific’s UMC-31 Manual AC Power Controller
    • Obtain precision frequency and phase conversion for manufacturing and test
    • Provide high quality, general purpose lab power where test versatility is required
    • Achieve low cost and power form flexibility for power supply tests

    The UMC-31 provides operational control and high quality oscillator signals for both single and three phase Power Sources.
  • Magnetics Module

    Addition or deletion of cabinets is easily performed by the user in field.
    The standard AMX-Series features, such as automatic output form
    selection, extensive output metering, etc. remain intact.
    Note that only like models may be paralleled with each. That is, only
    345AMX chassis may be paralleled with other 345AMX chassis and
    likewise for the Model 140 and 360AMX. Connection of a 140AMX or
    345AMX chassis with 360AMX chassis is not allowed.
     
     
    Magnetics Module
     
     
    Addition or deletion of cabinets is easily performed by the user in field.The standard AMX-Series features, such as automatic output formselection, extensive output metering, etc. remain intact. Note that only like models may be paralleled with each. That is, only345AMX chassis may be paralleled with other 345AMX chassis andlikewise for the Model 140 and 360AMX. Connection of a 140AMX or345AMX chassis with 360AMX chassis is not allowed.
  • Product Brochure and Application Notes

    Download the Brochure

    Or review any of our other product brochures for download

     
     



  • Technical and Application Assistance

    Pacific Power Source's seasoned sales and service team is here to help via chat, email or a simple call. 


    You can also register to access our online applications documents.  

 

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