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Harmonics-Flicker Analyzer

 

      LAPLACE INSTRUMENTS Laplace Instruments      

EM TEST is your most competent partner in EMC. Our solutions and know-how in testing the susceptibility and measuring of emissions are recognized worldwide. EM TEST is the leading manufacturer of high-class, full-compliance EMC test and measurement equipment for the electronics industry in the automotive, telecom, medical, industrial electronics, avionics and military branches.

 

 Harmonics & Flicker Index

Digital Power Analyzers
Harmonics & Flicker Generator

Harmonics & Flicker Analyzer

Power Supply

Voltage Sources

 

 Digital Power Analyzer  (Single Phase)

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Digital Power analyzer for harmonics & flicker testing

 DPA 500N

 

Digital Power Analyzer 

 

 

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Digital Power Analyzer  (Single & 3 Phase)

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 DPA 503

 

Digital Power Analyzer 

 

 

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 Single Phase AC Voltage Source 2 kVA 

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3D-View ACS 500N2.3

 ACS 500N2

 

Single Phase AC Voltage Source 2 kVA

 

 

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Single Phase AC Voltage Source 6 kVA

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3D-View ACS 500

 ACS 500N6

 

Single Phase AC Voltage Source 6 kVA

 

 

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Three-Phase AC Voltage Source 20 kVA

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3D-View ACS 503

 ACS 503

 

Three-Phase AC Voltage Source 20 kVA
 

 

 

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Three-Phase Flicker Impedance 32A

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AIF 503N-series

 AIF 503S1

 

Three-Phase Flicker Impedance 32A
 

 

 

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Multifunction AC/DC Power Source

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NetWave 7

 NETWAVE 7

 

Multifunction AC/DC Power Source
 

 

 

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 Harmonics & Flicker Generator

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Harmonics and Flicker Generator 01

 

 

HFG01

 

EN61000-3-2 : 2004

EN61000-3-3 : 2004

 

DATA   Full Catalog

 

White Paper

The Harmonics & Flicker Generator (HFG01) has been designed by York EMC Services Ltd for the purpose of verifying harmonic and flicker test equipment. Until now there has been no easy and reliable way to externally check the performance of the measurement system to the EN/IEC 61000-3-2 harmonics and EN/IEC 61000-3-3 flicker standards.

The HFG01 allows the user to periodically verify their test equipment, ensuring compliance with standards and laboratory quality procedures. The unit provides a series of harmonic and flicker disturbances of a nominal but stable level. The generator may therefore be used to verify the stability of a measurement system. Alternatively due to its stability it may be used as a transfer standard from a calibrated system.

Stable load simulation
Repeatable measurements
Injects harmonics to EN61000-3-2 and flicker to EN61000-3-3
Evaluation of test systems specifically to EN standards
Compact and Portable
Comparisons between multi-site test environments

Applications

  • Harmonics and flicker measurement systems validation and verification
  • Reference source for:
    • Daily pre-test check
    • Long-term performance monitoring
  • Comparison of different harmonics and flicker measurement systems

 

 

Operation

The unit is a standalone device and requires no additional equipment. A four-way rotary switch selects the mode of operation. The modes are defined by firmware running on a micro-controller. This will enable the characteristics of the generator to be reprogrammed in line with future changes to the standards.

The HFG01 simulates equipment under test (EUT), generating known, repeatable levels of harmonic and flicker disturbance in one of four modes of operation.

  • In Steady State harmonics (SS) mode, a harmonic-rich current waveform is generated, allowing the harmonic measurement system to be verified. In this mode the generator simulates Class D equipment and produces harmonic levels that will fail the EN/IEC61000-3-2 pre A14 and A14 Class D limits. This mode will pass EN/IEC61000-3-2 pre A14 and A14 Class A limits.
  • Fluctuating harmonics (FL) mode alternates between two distinct current waveforms over a 10-second cycle. This mode again fails the EN/IEC61000-3-2 pre A14 Class D limits but passes the A14 limits.
  • In flicker test mode, a fixed level of mains disturbance is generated at a rate of 8.33Hz or 1Hz.
    • When tested to EN/IEC61000-3-3, the 8.33Hz rate produces a Pst >1, which lies above the limit line.
    • The 1Hz setting produces a Pst <1, which falls below the same limit.
Specifications
Frequency Range 50Hz to 2kHz (40th harmonic) direct connection
Output connector Standard mains plug to mate with local test equipment
Dimensions 330mm 320mm 170mm
Weight 4kg
Power supply 230Vac, 50Hz, 400W (maximum)
Indicators Thermal shutdown - red LED
Flicker

Rate

Pst

1.0 Hz 0.462
8.333 Hz 1.235

Standard Order Kits

Part Number Description Parts Included
HFG01KIT01 Standard HFG01 harmonics and flicker generator kit
  • HFG01 harmonic and flicker generator
  • CAL12 - standard test

Output Measurement Results

Order N Type Description
CAL12 Harmonics Measurement of load current made according to EN61000-3-2 in Steady State and Fluctuating Harmonics modes. Fundamental (50Hz) to 40th harmonic.
Flicker Measurements of short term flicker (Pst) made according to EN61000-3-3 with disturbance at 1Hz and 8.33Hz rates

Typical Output Measurement Results

Steady State Harmonics Fluctuating Harmonics

 

 Harmonics & Flicker Analyzer

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AC1000A and AC2000A (Click to Enlarge)

 

AC2000A

 

EN61000-3-2 : 2001

EN61000-3-3 : 2000

EN60868

 

DATA

 

White Paper

 LAPLACE INSTRUMENTS Laplace Instruments

 

The AC2000A is a fast, easy to use mains and harmonics analyzer with full graphical display. It is capable of continuous real-time analysis of both voltage and current.

As a general purpose mains analyzer it can measure Watts, VA Vrms, Vpk, Arms, Apk, Crest factors, THD, Power factor, Frequency and Inrush current.

As a harmonics analyzer it is a quick and convenient instrument for pre-compliance measurements using normal mains supply and is capable of full compliance measurements to EN61000-3-2 in conjunction with a suitable power source.

As an option, the AC2000 can be operated as a conformance quality flicker meter in conformance with EN60868 and EN61000-3-3.

Mains Analyzer

Measurement Circuit: Single Phase with standard mains connector.
Current Rating: 16A rms continuous, or national connector rating if lower.
Voltage Ranges: 115V (200V pk) 230V (400V pk).
Current Ranges: 24mA pk to 400A pk in fifteen 2:1 ranges
Frequency Range: 45 - 66 Hz.
Shunt Resistance: 3m ohms.
Sampling Rate: 300 points per cycle.
Basic Accuracy: <0.2%.
Measured Parameters: Vrms, Vpk, Arms, Apk, Crest factors, THD, W, VA, Power factor, Frequency, Inrush current.
Monitor Outputs: Re-constructed Voltage and current signals

Harmonics Analyzer

Measurements: 1 st harmonic to 40 th harmonic.
Current Rating: 16A rms continuous, or national connector rating if lower.
Voltage Ranges: 115V (200V pk) 230V (400V pk).
Current Ranges: 24mA pk to 400A pk in fifteen 2:1 ranges
Frequency Range: 45 - 66 Hz.
Shunt Resistance: 3m ohms.
Sampling Rate: 300 points per cycle.
Basic Accuracy: Better than 5% of limit or 0.2% of selected range whichever is the greater.
Display Modes: Numeric readout of parameters.
Graphical Waveform display with accumulate and max.
Hold facilities and class D mask.
Tabular and Histogram harmonic analysis with comparison to limits in the standards.
Flicker Meter (Option)
Measurement: P st and P lt to EN60686 and EN61000-3-3.
Current Rating: 16A rms continuous, or national connector rating if lower.
Voltage Ranges: 115V (200V pk) 230V (400V pk).
Current Ranges: 24mA pk to 400A pk in fifteen 2:1 ranges
Frequency Range: 45 - 66 Hz.
Shunt Resistance: 3m ohms.
Sampling Rate: 300 points per cycle.

General

Display: 320 x 240 pixel backlit LCD.
Interfaces: Parallel Printer, RS232, Optional IEEE-488 (GPIB).
Instrument Supply: 230V or 115V 14%, 48 to 65 Hz.
Operating Range: +5C to 40C, 20-80% RH.
Storage Range -10C to +60C
Dimensions: 305 x 148 x 220mm (WxHxD)
Weight: 4.2kg
Safety: Complies with EN61010-1
EMC Compliance: Complies with EN61326-1

 

Low Distortion Power Supply

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AC1000A and AC2000A (Click to Enlarge)

AC1000A

 

IEC61000-3-2 : 2001

 

DATA

 

LAPLACE INSTRUMENTS Laplace Instruments

  • Provides a source compliant with EN61000-3-2 : 2001

  • Up to 4.4A rms load current

  • l000W at 230V

  • Up to 10 A peak

  • Overload protection

The ACl000A is an innovative, low cost, pure power source designed specifically for use with a harmonics analyzer such as the Laplace AC2000A, permitting compliance quality measurements to EN61000-3-2.

The AC supply available at a standard wall socket is usually distorted. This comes about because of nonlinear loads (non-resistive loads) on the AC supply such as transformers, fluorescent lights, switched-mode power supplies etc. In a typical load there are rectifiers and capacitors that cause current to be drawn from the supply only near the peak of the waveform. The effect of this is to flatten off the top of the sine wave causing significant distortion.

In a typical factory environment this distortion can be so significant that the distortion is easily visible using an oscilloscope.

EMC legislation (EN61000-3-2) has made mandatory the measurement of harmonic current produced by electronic equipment, and requires that the source supply provides a pure voltage waveform to the equipment under test. The harmonic currents can vary significantly when a pure source is used so it is important that any testing is performed with a device such as the AC1000.

Compact and portable the AC1000 is rated up to 1000 V.A for 230 V operation and will supply 1000 V.A at 230 V input at up to 35C ambient. In contrast to other techniques which use a passive filtering approach, the AC1000 uses an innovative technique which actively corrects the AC supply to produce a harmonically pure output.

The ACl000 is also very useful for stress testing power supplies in electronic equipment. The use of a harmonically pure, distortion free device - such as the ACl000A - is essential to fully stress and evaluate the power supply under test.

Specification

Input voltage: Factory set to 230V/50Hz, 230V/60Hz, 110V/50Hz or 110V/60Hz
Supply Tolerances: 230V setting: 198V - 253V
110V setting: 90V -127V
50Hz setting: 0.5Hz
60Hz setting: 0.6Hz
Output Voltage: Tracks the amplitude of the fundamental of the input voltage. A variable voltage input may be used to adjust the output voltage to within the limits specified by EN61000-3-2.
Output Distortion: Dependent on the purity of the input but will generally meet the requirements of EN61000-3-2.
Output Current: Maximum continuous output current is 4.4A.
Output Power: Maximum output power is input voltage x 4.4 VA
Input Connection: Maximum output power is input voltage x 4.4 VA
Output Connection: U.K., Schuko, or other national outlet sockets. Load power switch can be set to direct or corrected for AB comparisons.
Protection: Thermal trip automatically diverts load to a direct connection in the event of thermal overload.
Operating Range: 5C to 35C at full rated output.
Storage Range: -40C to +70C
Environmental: Indoor use at altitudes to 2000m, Pollution Degree 2.
Safety: Complies with EN61010-1
EMC: Complies with EN61326-1
Size: 307 x 105 x 225 mm (W x H x D)
Weight: 5 kgs.

 

 

     

 
   

 

 

 Last Updated: January 1, 2014

  Copyright 2001- 2014  R. A. Mayes Company, Inc.

An Electro Mechanical Research and Development (EMRAD) Corporation, Company

 
     
 

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