INFRATEK Switzerland 107A Power Analyzer



107A Single- and Three Phase Power Analyzers

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Main Features

  • DC-300 kHz, 100 mA-50A, 1 V-1000 V
  • Suitable for frequency inverter drivers
  • Line-to-line voltage, torque, slip, efficiency
  • Harmonics 1-63, IEC1000-3-2
  • High speed data logging for dynamic processes
  • High speed dynamic torque measurement
  • Advanced operating software under Windows
  • Accuracy grades 0.05, 0.1, 0.3 % (low cost)
  • Determines torque without using transducers

Display

  • User display configuration and start-up
  • Displays phase- and sum values, 3 phase values
  • Numeric fields combined with graphics

Processing Power

  • Acquires all data in 3 phase system simultaneously
  • Measures and computes 1000 values on-line
  • High speed data transfer to personal computer

Interface - Input/Output

  • RS-232
  • Ten high speed analog inputs/frequency
  • Ten analog outputs
  • Operating software under Windows 95 to XP

Introduction 107A Models Specifications Screen Shots Application Examples Datasheet
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Introduction

The MODEL 107A HIGH SPEED POWER ANALYZER is a very advanced measurement tool designed to offer the scientist, engineer, or technician more electrical and mechanical signal information than is normally found in one single instrument.

High performance - Easy to use

The Infratek Model 107A Power Analyzers are multipurpose instruments designed for laboratory and field use, for production testing and quality control. High accuracy, wide frequency range, and high common mode rejection are prerequisites for precision measurements on inverters, light ballasts, and ultrasonic transducers. The 107A measurement capabilities and simplicity of use are unmatched.
Six menu soft keys M1 through M6 and five cursor soft keys control the instrument. The operating procedure, to configure the display and the interface, to store instrument settings, to set the scaling factors, to select the operating mode, to select the input, the ranges, and many more features is self explanatory. You can save your personal instrument settings and have the unit start-up with your personal configuration at power-on.
Efficient data processing permits simultaneous measurements on all three phases of a three phase system and yields comprehensive signal information including rms and power values, harmonics, phase angles, and where applicable mechanical power output, torque, efficiency, and slip.
A programmable data logging function permits to transfer of up to 500 rms and power values per second to a personal computer. Using the Infratek operating software plots of power versus time or speed, or current versus time or frequency are easily generated. The 107A Power Analyzers determines electrical motor torque applied to its load. No torque transducers are needed. Induction motors and dc motors require a speed transducer, synchronous motors do not. A special operating mode for dynamic torque measurement in the air gap of a generator or motor provides plots of torque versus speed, frequency, or time and helps to detect undesirable peaks.


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107A High Speed Power Analyzers

Product Description
107A-1/0.1 Single Phase High Speed Power Analyzer, 0.1% accuracy, saves 12 instrument settings, data logging, IEC1000-3-2, 1-1000V, 100mA-40A, clamp input, RS-232 interface, ext. synchronization input, trigger input, Windows Operating Software (95 - Vista) incl. software for high speed data logging and IEC1000-3-2 testing
107A-3/0.3 Three Phase High Speed Power Analyzer, 0.3% accuracy, saves 12 instrument settings, data logging, line-to line, IEC1000-3-2, 1-1000V, 100mA-40A, clamp input, RS-232 interface, ext. synchronization input, trigger input, Windows Operating Software (95 - Vista) incl. software for high speed data logging
107A-3/0.1 Three Phase High Speed Power Analyzer, 0.1% accuracy, saves 12 instrument settings, includes line-to-line, data logging, IEC1000-3-2, 1-1000V, 100mA-40A, clamp input, RS-232 interface, ext. synchronization input, trigger input, Windows Operating Software (95 - Vista) incl. software for high speed data logging and IEC1000-3-2 testing
107A-3/0.1M Three Phase High Speed Power Analyzer for dynamic motor testing (torque transducer required), 0.1% accuracy, includes line-to-line measurement, dynamic torque measurement, RS-232 interface, frequency / 10 analog in-out, (1 impulse input) data logging and operating software for motor testing and dynamic torque
107A-3/0.1T Three Phase High Speed Power Analyzer for transformer testing according to IEC60076-1 (Vrect, Pcorr, Q, Requi, Xequi), 0.1% accuracy, saves 12 instrument settings, includes line-to-line measurement, data logging, IEC1000-3-2,RS-232 interface, and operating software.

Accessories

Accessory Description
ACS1 Current clamp with connector to 107A clamp input;
0-200A / 0-1000A, DC-1kHz, 2%
ACS2 Current clamp with connector to 107A clamp input;
0-200A, DC-20kHz, 1%
ACS3 Soft carrying case for 107A
ACS4 Set of test leads, max. 32A, 1.5m (2 red; 2 black)
ACS5 Clamp input connector
ACS6 Service Manual 107A
ACS7 Rack Mounting Kit
ACS8 Official Calibration Certificate from SCS (Swiss Calibration Service)
ACS9 RS-232 / GPIB Converter (NI)
ACS10 USB - RS232 Adapter cable, USB 1.1 compatible, Windows 98/2000/ME/XP, > 1Mbps data transfer rate
ACS11 RS232 - Ethernet Adapter

Options

Option Description
03 One frequency input with selectable frequency range, nine analog inputs (±5V / ±10V), ten analog outputs(±5V)
04 0-100A (0-200A) Three Phase Current Sensor Module including supply
05 0-300A, 0-3000A flexible current clamps with connector to clamp input of 107A (1 per phase)
Basic accuracy: 1% 50/60 Hz




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107A Specification

Voltage 7 ranges: 1V, 3V, 10V, 30V, 100V, 300V, 1000V -
Frequency range: DC-300kHz ¦ Coupling: AC/AC+DC 1Hz-300kHz / DC-300kHz
Crest Factor 3:1 at 50% full scale ¦ Common Mode 50Hz / 100kHz 140dB/80dB
Built-in star point network 500kΩ ¦ Maximum Input: Hi to Lo / Lo to case 1000V / 600V
Accuracy 23°C ±3°C; rms, rdg= reading
1Hz-1kHz
1kHz-10kHz
10kHz-80kHz
80kHz-300kHz
±k(0.05% rdg + 0.07% range)
±k(0.2% rdg + 0.2% range)
±k(0.04%/kHz rdg + 0.3% range)
±k(0.04%/kHz rdg + 0.3% range),typical

Accuracy Grades:
k=1, k=2, k=6
Current 10 ranges: 100mA,300mA,1A,3A,10A; 1,3,10,30,100A Clamp: 1A - 1000A
Frequency range: DC-300kHz ¦ Coupling: AC/AC+DC 1Hz-300kHz / DC-300kHz
Crest Factor 3:1 at 50% full scale ¦ Common Mode 50Hz / 100kHz 160dB/115dB
3A input: 3A cont./10A 5s; 50A input: 40A cont./50A 20s. Ri=30mΩ / 3mΩ
Accuracy 23°C ±3°C;
rdg= reading, rng= range

1Hz-500Hz
500Hz-2kHz
2kHz-10kHz
10kHz-100kHz

50A/Clamp input
±k(0.07% rdg + 0.07% rng)
±k(0.5% rdg + 0.5% rng)
±k(0.8% rdg + 0.8% rng)
±k(0.1%/kHz rdg + 0.8% rng)*

3A input
±k(0.07% rdg + 0.07% rng)
±k(0.8% rdg + 0.8% rng)
±k(2% rdg + 1% rng)*
±k(0.1%/kHz rdg + 2% rng)*
Lowest range multiply percentage figures by 2. ¦ *typical


Accuracy Grades:
k=1, k=2, k=6
Power 70 Ranges corresponding to the products of voltage ranges time current ranges. DC-300kHz
Accuracy 23°C ±3°C; 50A/Clamp input, 3A input

1Hz-1kHz            Add accuracy percentage figures of current and voltage input
1kHz-100kHz       Add accuracy percentage figures of current and voltage input,
                          add ±1% (1-PF)/kHz of range

PF = 0 to ±1
Computed Values Reactive Power, Var = ±(VA² - W²)½; Apparent Power: VA = Arms Vrms;
Power Factor: PF = W/VA; Crest Factor: CF = Ap/Arms, Vp/Vrms; Maximum = Ap, Vp;
Minimum: -Ap, -Vp; PtP: Maximum - Minimum; Impedance: Z = Vrms/Arms;
Total Harm Dist: THD1 = (Irms² - IFund²)½/Irms
THD2 = (I2_rms² + I3_rms² + In_rms²)½/Irms		 Add accuracy percentage
figures of values involved
in computation.
Mechanical Values Total input power, Nm/s; Output power to load, Nm/s; Torque at axis of rotating
machine, Nm; Speed, rpm; (for induction- and dc machines an external frequency
input via analog input 0 is required); Efficiency: Eta = Output power / Input power
 Motor version including analog
input, RS-232, and software.
Dynamic
Torque		 Dynamic torque in air gap of rotating machines versus time or speed;
moment of inertia of rotor.		 -
Harmonic Analysis Frequency range of fundamental ¦ 4Hz-50kHz Harmonic 1-63
Accuracy: harmonic current and voltage, same as rms current and rms voltage -
Computed values: harmonic power, harmonic phase angle (power factor)
harmonic impedance.		 Add accuracy percentage
figures of values involved
in computation.
Frequency 2Hz-100kHz; A; V, or external triggered: ±0.1% -
Integrator Energy, Accuracy: Wh, VAh; Basic accuracy of integrated quantity. -
Data Logging Output values, speed and duration is programmable; maximum speed:
10 values from a 3-phase system in 20ms.		 Range of signal frequency 5Hz
to 1kHz
Current harmonics Current harmonics in a 3-phase system are determined according to IEC1000-3-2 -
Display
Power/Battery
Dielectric
Strength
Dimensions		 Display: Blue LC graphic display with FL backlight; 64x120mm; 128x240 pixels
Power: AC, 50-60Hz; Fuse; Power
Dielectric Strength: Current inputs to case; Voltage inputs to case; Line input to case
Dimensions: H x W x D		 64x120mm; 128x240 pixels
115/230V; 0.2AF/15VA
3kV; 2kV; 3kV 50Hz/1 min
150x235x320mm; 4kg
Options RS232 interface
10 High speed analog inputs (1 frequency, 9 dc voltage)
10 Analog outputs
Windows operating software 95,98,NT,ME,2000,XP
fx, ±5V
±5V

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107A Screen Shots

IN 5A
100mA  A
1V          A
Sync = I    3W
> 500ms
VIEW L1

AC

I >________
U >_______		 1.0000 A RMS 1.0000 V RMS
1.0000 W ACT 60.0000 Hz FRQ
1.0000 VA APP 1.0000 m PFT
23.9 mA, FFTi

¦ /\   /\  /\
¦/  \/   \/   \/
¦________________
HOLD AC/DC PRINT SPLIT VIEW SETUP

Screen Shot - Measurement Mode (typ.)
Current RMS Mean _ CF FFT
_ Min Max Peak THD2 THD1
Voltage RMS Mean Vltl CF FFT
_ Min Max Peak THD2 THD1
Power Active VAppa VArea Energy FFT
P-Mech Input Output Torqu Speed Et/Sl
Other Freq PFact ANinp ¦Z¦ /Z

Screen Shot - Measurement Value Table
Scale I1 +1.000000e+00 Baudrate 9600
Scale V1 +1.000000e+00 Parity none
Setup Save No 00 End Mode CR+LF
Setup Recall No 00 Protocol Xon
Logg N _ +1.000000e02 GPIB addr 05
Cycles _ +5.000000e+00 _ _
Scale A0 _ +1.000000e+00 _ _

Screen Shot - Setup Menu
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107A Application Examples

1) Example of Dynamic Process Measurement



Rotating machine is idling. At time=0 a variable load is applied to the machine until it comes to a halt. Current, voltage, and power of each phase needs to be plotted versus time.

STEP 1: Rotating machine is idling, the 107A synchronizes to the machine frequency.
STEP 2: Apply the load, at the same time close switch S1
STEP 3: Upon closing of S1 the 107A starts data transmission to the computer.
STEP 4: 107A terminates data transmission when programmed duration is reached.
STEP 5: View data file and plot if desired.


2) Example of Dynamic Torque Measurement on an Induction Motor



A speed transducer is attached to the induction motor and its signal is fed to the 107A(synchronous motors do not require a speed transducer). The motor is subjected to load changes and the resulting air gap torque needs to be plotted versus time.

STEP 1: Program 107A for desired speed and duration of measurement.
STEP 2: Run motor, close switch S1 at start of loading sequence.
STEP 3: 107A transmits measurement data to the computer for the programmed length of time.
STEP 4: View data file and plot torque versus speed or time.



3) Measure Current Harmonics According to IEC1000-3-2 in 3 phase system


Example: Run an on-line compliance test of 3 phases simultaneously.

STEP 1: Select software on PC for IEC1000-3-2 testing select range of harmonics, load data file of current harmonic limits.
STEP 2: Turn on equipment. The harmonics of 3 phases are displayed on line.
STEP 3: Current harmonics exceeding allowed limits turn on a red light.
STEP 4: Store the current values and print or plot them for your record.
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