Precision Power Analyzers PPA3500Series 1~6 Phase Power Analyzer HARMONIC ANALYZER total efficiency □UAL PDWER PROCESSING CORE

PPA3500 Precision Power Analyzer ① POWER BUTTON ② FRONT USB PORT USB memory port allows data or screendumps to be saved directly to a USB pen drive ③ WIDE ANGLE VIEW DISPLAY SCREEN Double white LED backlit colour TFT display with high contrast and wide viewing angle ④ SCREEN DISPLAY OPTIONS Zoom, Real time, Table and Graph options ⑤ MEASUREMENT FUNCTION SELECTION BUTTONS • POWER ANALYZER • HARMONIC ANALYZER • TRUE RMS VOLTMETER and AMMETER • OSCILLOSCOPE Measurement Mode Control ⑥ MEASUREMENT SETTINGS BUTTONS Acquisition settings - Sets wiring configuration, Smoothing and data logging Coupling...

⑨ PHASE INPUTS Direct voltage Input: 2.5kVpk (1kVrms) in 10 ranges Direct current Input: 1000Apk (30Arms) Standard Model, 300Apk (20Arms) Low Current Model in 10 ranges External voltage and current sensor inputs to 3Vpk in 8 ranges - BNC Connector ⑩ SYNC CONNECTOR Can be utilised for external triggering ⑪ EXTERNAL SENSOR INPUTS +/-10V or pulsed input from torque and speed sensors provides direct measurement of mechanical power + analogue output Extension Port: Connection of auxiliary devices such as the ADI40 40 Channel Analogue Input/Output Interface for Multi-Channel Sensor and Direct Thermocouple...

FEATURES ■ High Speed Power Measurement - 5ms Datalog Interval Measurements include all frequency components in power waveforms for example, fundamental, harmonics of the fundamental and the carrier of a PWM inverter output by maintaining 1Ms/s sampling at any drive frequency High sample rate at all times Inverter output waveform Unique FPGA and DSP architecture permits full 1Ms/s sample rate at any fundamental frequency ■ 1MHz Wideband Frequency Response PWM carrier signal Fast sampling reliably captures fast switching waveforms With 1MHz bandwidth and exceptionally flat response, the PPA3500...

■ DFT Real Time No Gap Analysis Many power applications have fast changing asynchronous current pulses which are not suited to fixed data length FFT analysis. The PPA series combine a real time DFT (Discrete Fourier Transform) technique with variable window no gap analysis to ensure the optimum speed and accuracy at all times Low Duty Cycle Standby Current Gapped analysis causes events to be missed, resulting in inaccurate measurements M ・ issing data compromises power accuracy ・Long term measurement integration achieves approximately correct average power ■ Up to 6 Phase (8 Wire) Analysis FPGA/DSP...

■ Input Torque and Speed Sensor |ppa35ooz Direct measurement of torque and speed from dedicated inputs that are fully synchronized with the voltage and current channels permits true real time power conversion efficiency to be evaluated The PPA series use a single shunt resistor unique to N4L that combines exceptional linearity and no need for relay switching which can cause measurement errors

Wide Angle display for convenient viewing of 6 Phase Power Analysis I7range:lkl7 POWER ANALYZER Arange: 10A frequency ! total efficiency POWER ANALYZER Arange: 10A 22.761 85.138 50.010 74.77 Zoom function enabled on total watts, total VA, frequency and total efficiency POWER ANALYZER phase 1 phase 2 3 Phase analysis display All power measurement and RMS values are computed simultaneously across 6 phases, allowing measured values to be selected and viewed during analysis. Here, three phase input and 3 phase output power can be selected with all primary power functions in each phase plus frequency,...

Power Integrator mode Impedance meter mode In addition to detailed measurements of the phase power parameters, you can check the balance of power between the phases and observe computed neutral current when 3 phase 4 wire connection is selected, this can be performed over 6 phases with 3 Phase 3 Wattmeter + 3 Phase 3 Wattmeter wiring configuration. ■ Harmonic Analyzer and Oscilloscope ppabsoo: In Harmonic Analyzer Mode, the PPA3500 provides up to 100 Harmonics with real time, table or bar graph presentation. Measurements are in absolute magnitude and percentage of fundamental with harmonic phase...

ACQUISITION SETTINGS ■ Auto-Ranging, Range Up Only or Manual ppabsooi Range modes are selectable ©Auto-Ranging Performs automatic switching of voltage and current ranges up and down depending on the level of the measured value with all inputs linked or ranged independently to ensure optimum accuracy ©Range up only Performs automatic ranging when the input is 120% of range, ranging up only ©Manual No automatic ranging, user specifies the range in which to operate (used when input voltages and currents are known) or during inrush current testing ■ Independently Set Input Coupling ippabsooi...

■ Bandwidth Settings Low(DC-200kHz) Basic power (50/60Hz) including harmonics of the fundamental while rejecting high frequency noise Wide(DC-1MHz) Wideband applications such as PWM inverter drives including all power components for true total power The PPA3500 series includes a programmable digital filter that allows users to set a preferred bandwidth ■ Display Settings, Smoothing Response and Frequency Reference ppabsooz ©Display update rate Various settings for the display update rate (5ms ~ 100s) which also increases the smoothing when used together with the smoothing option. A 'window' option...

APPLICATIONS ■ PWM Motor Drive Evaluation The PPA3500 is the ideal solution for 6 Phase Analysis within a single instrument, a typical application is Variable Speed Inverter Drive analysis. Utilising proprietary digital filtering algorithms, the N4L power analyzer range offers unrivalled performance. The PPA3500 can be used in conjunction with external current sensors such as the WR5000 - a 1MHz 5000A Rogowski Coil in high current applications as well as the LEM range of Zero Flux Current Transducers. Inverter efficiency is available via 3 Phase 2 Wattmeter method + CH3 + 3 Phase 3 Wattmeter,...