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N4L PPA3500 – 1~6 Phase Power Analyzer
发布日期:2018-9-6   点击次数:471

PPA3500 – High Performance 6 Phase Power Analysis


The PPA3500 is a high accuracy 1~6 phase power analyzer able to perform reliable, 

accurate power analysis in a variety of applications. As a result of innovative analogue card design, 

the PPA3500 is packaged in a compact 2U chassis. The PPA3500 is available in 1, 2, 3, 4, 5 or 6 phase configurations. 

There is also the option to install the unit in a 19in rack providing a 2U 6 Phase solution, see our accessories page for more details. 

The PPA3500 power analyzer benefits from a full color “Dual” TFT display, this concept employs 

two TFT displays within one instrument, allowing for a large widescreen display area in a 2U form factor.

newtons 4th ukas iso17025 logo


Why choose a Newtons4th Power Analyzer?

  • Only Power Analyzer in market designed specifically for inverter drive applications
  • Best Wideband Power Accuracy in class
  • 1MHz Bandwidth
  • Extremely high accuracy phase measurement of 0.01deg
  • ISO17025 (UKAS) traceable certification supplied
  • Low profile – 2U High, up to 6 Phase measurement
  • Unrivaled product support
  • PWM Motor drive mode for quick easy setup

All required inputs included as Standard

The PPA3500 includes all ports fitted as standard including Internal(4mm) and External(BNC), Torque, Speed, RS232, LAN, USB, GPIB.

Example Applications

  • PWM Inverter Drive Efficiency Analysis
  • Standby Power
  • AC/DC Converters
  • Solar Arrays
  • UPS
  • Power Quality
  • High Frequency Power Electronics

Proprietary Technology

Featuring the industry renowned planar shunt technology (A shunt design topology developed by N4L) and 

FPGA based real time no gap analysis techniques, the PPA3500 is able to provide ground breaking 

6 phase analysis performance. Real-Time no gap analysis ensures efficiency measurements are entirely synchronized 

between input and output.

All PPA3500 units are supplied with UKAS ISO17025 certification as standard, 

this is performed at N4L in the UK in our accredited ISO17025 Laboratory.



ISO17025 Calibration and Verification

Every PPA3500 Power Analyzer supplied by N4L is provided with both a UKAS Accredited 

calibration certificate up to 850Hz, as well as a UKAS Traceable calibration certificate up to 1MHz. 

N4L have developed a number of bespoke power calibrators in order to verify the accuracy of every 

power analyzer supplied over its entire frequency range, 

this is surprisingly uncommon within the instrumentation industry. Furthermore, 

development of an ISO17025 (UKAS) accredited Closed Loop Calorimeter in partnership 

with Oxford University (UK) has verified the performance of the N4L custom designed 

power calibration rigs with a very low uncertainty level, providing absolute confidence 

that the wide band performance of all N4L power analyzers is market leading.


Calibration Options

1. Standard Recalibration - Included with new instruments 

– Included with RMA Calibration

Wideband calibration (DC-2MHz) with optimisation of measurements on 

all ranges over the complete instrument bandwidth. Traceable to UKAS but not ‘accredited’.



2. UKAS (ISO17025) Calibration 

– Included with new instruments – Optional with RMA Calibration

UKAS Accredited calibration of Voltage, Current, Phase (PF) and Power on all ranges from 55-850Hz.
This option includes option 1 calibration.
In addition to the calibration certificates, the PPA will be fitted with a UKAS calibration label.




3. System Calibration – Standard 

- Optional with new instruments or RMA calibration

UKAS accredited calibration of a PPA together with an external sensor.
This option is separate to option 1 which must also be ordered when system calibrating.

Note: This is end-to-end calibration of the of the PPA+sensor ‘system’ at 

an N4L defined test point or points and does not include UKAS calibration of the PPA alone (option 2).



4. System Calibration 

– Non-Standard - Optional with new instruments or RMA calibration

As Option 3 but applied at customer requested test points. This will be UKAS 

only for frequencies between 16-850Hz.



5. UKAS IEC61000 H+F Calibration 

- Optional with new instruments or RMA calibration

UKAS accredited calibration of PPA55x1 series units that includes 

all prevailing type test protocols for fully compliant Harmonic and Flicker testing.

This option includes option 1 and option 2 calibration.



6. PPA55xx-TE Calibration 

– Included with PPA-TE order – Optional with RMA Calibration

Custom UKAS calibration that includes a series of low power factor tests down to 0.01 PF 

over the frequency range of 16-450Hz.

This option includes option 1 calibration.



7. UKAS calorimeter power calibration 

– Optional with new instruments or RMA calibration

UKAS accredited power calibration via calorimetry.

Available at customer requested frequency(s) and with sinusoidal or 

harmonically distorted wave shapes within a frequency range of 45Hz to 2MHz. 

This option includes options 1 and 2.


Features & Benefits


PPA3500 Power Analyzer Product Overview
Excellent Accuracy 0.03% Typical
2U Form Factor The worlds only high accuracy 6 phase power analyzer in 2U form factor*
1MHz Bandwidth Wide Bandwidth ideal for distorted signal analysis such as PWM Inverter drives
Intuitive User Interface “Quick Keys” and alpha numerical keypad
Torque and Speed inputs fitted as standard +/- 10V, Analogue DC and Pulsed Inputs
Total System Efficiency Calculation Real time monitoring and efficiency calculation of Electrical to Electrical and Electrical to Mechanical
Ideal for Inverter Drive Analysis Electric Vehicle, Variable Speed Drives, Industrial and other applications
8 Phase Analysis Use 3P2W + CH3 + 3P2W + CH3 to measure 8 phases including 3 Phase Input Power, DC Bus and 3 Phase Output Power
DFT Based Power Calculation Utilize the Power of DFT Fourier analysis, made possible using top of the range DSPs and FPGAs.
3 Phase Power Measurement with only 2 Watt-meters Unique “3 Watt-meter conversion” mode provides independent phase power information when utilizing 3 Phase 2 watt-meter mode




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