Infratek 106A Manuel utilisateur
USERS MANUAL 106A
SINGLE- AND THREE PHASE
POWER ANALYZER
Infratek
TABLE OF CONTENTS
1. Safety
1.1 Warnings
2. Introducing the High Speed Power Analyzer
2.1 Options and Accessories
2.2 Specifications
3. Mathematical Definitions used by the Power Analyzer
4. Getting Started
4.1 Front Panel and Rear Panel
4.2 Adjusting the Optimal Viewing Angle
4.3 Line Power
4.4 Turning the Power Analyzer On
4.5 Using the Function Keys
4.6 Selecting a Measurement Range
4.7 Taking Some Basic Power Measurements
5. Operating the Power Analyzer from the Front Panel
5.1 Introduction
5.2 Front Panel Operations
5.3 Current Input Selection
5.4 Range Selection / Auto Range Selection
5.5 Selecting Synchronization
5.6 Selecting the Measurement Time
5.6.1 Fast Response Power Analyzer (z-version)
5.7 Selection of AC- or DC+AC-Coupling
5.8 Changing the Display Configuration, Transformer Testing, Motor Testing
5.8.1 Changing the Harmonic Number
5.9 Main Menu Selection
5.9.1 Display Hold
5.9.2 Auto Range Selection
5.9.3 Selecting the Size of the Graphic Area
5.9.4 Selecting the Graphic Data
5.10 Short Time Integrator
5.11 Energy Computation
5.11.1 Set-up for Energy Measurement
5.11.2 Set-up for Charge Measurement
5.11.3 Starting and Stopping
5.11.4 Reading Energies at Precise instants of Time
5.12 Scaling of Current- and Voltage Inputs
5.13 Saving Instrument Settings
5.13.1 This is How you Save Your Desired Instrument Setting
5.13.2 This is How the 106A Starts Up in the Desired Configuration
6. Operating the Power Analyzer Using the Computer Interface
6.1 Introduction
6.2 Local and Remote Operations
6.3 Computer Interfaces
6.4 Setting Interface Parameters
6.5 Cabling the Power Analyzer to a Host
6.6 How the Power Analyzer processes Input
6.6.1 Input Terminator
6.6.2 Sending Commands to the Power Analyzer
6.6.3 How the Power Analyzer processes Output
6.6.4 Optimizing Speed for Data Transfer
6.7 Service Requests and Status Registers
6.8 Computer Interface Command Set
7. The Power Analyzer Options
7.1 Installing the Option Assembly
7.2 Output Connectors
7.3 Analog Inputs
7.4 Four Analog Outputs
7.5 Three Phase Current Sensor Module 0-100A
7.6 Printer Output
7.7 External Synchronization
7.8 Disturbance Prevention
8. Calibration Procedure
8.1 Calibration Cycle
8.2 Equipment Needed
8.3 Preparing for Calibration
8.4 Offset Adjustment and Calibration
8.4.1 Voltage Amplifier Calibration
8.4.2 Current Amplifier Offset Adjustment
8.4.3 Current Amplifier Calibration
8.4.4 Shunt Input Calibration
8.4.5 1A Input Calibration, Power Calibration
1-1
1. SAFETY
Before using the Power Analyzer, read the following safety information carefully.
In this manual „WARNING“ is reserved for conditions that pose hazards to the
user; „CAUTION“ is reserved for conditions that may damage your instrument.
Turn off power in the circuit to be measured.
Avoid working alone.
Follow all safety procedures for equipment being tested.
Inspect the test leads for damaged insulation.
Be sure the Power Analyzer is in good operating condition.
To avoid electrical shock, use caution when working above 30V dc or rms
Disconnect the live test leads before disconnecting the common test leads.
When making a current- or power measurement, turn the circuit power off
before connecting the Power Analyzer in the circuit.
Switching on inductive loads means large inrush currents. Take
precautions to avoid overloading the current channels by shorting the start-
up currents across the current inputs.
Switching off inductive loads or switching on rotating loads means large
voltages or extremely fast changing voltages on the Power Analyzer input
terminals. Such conditions may damage the instrument and are potentially
hazardous.
To comply with EN50081-1 the current- and voltage test leads must form 4
windings through ferrite toroid Philips Type 4322 020 9720 or equivalent.
Interface inputs/outputs must be shielded.
1kV burst test: use shielded input- and output cables.
The Power Analyzer complies with the safety standards IEC 1010-1,
EN61010-1.
1-2
1.1 WARNINGS
Before reading the manual or before using this instrument read carefully
the warnings below and make sure you understand them.
WARNING: Line Power
To avoid shock hazard, connect the instrument power cord to a power
receptacle with earth ground.
WARNING
The maximum floating voltage above earth ground on the current input
terminals and the voltage Lo-input terminals is 600V. Exceeding these
limits poses a hazard to the meter and operator.
WARNING
This instrument must be operated by qualified personnel.
WARNING
Refer all servicing of this instrument to qualified personnel. Before opening
case disconnect all leads connected to the instrument and finally
disconnect the power line cord.
WARNING
The specifications given in this manual solely describe the technical
properties of the instrument. They do not imply any other properties unless
it is explicitly said so.
WARNING
Use of this instrument in life support systems and in systems for people
transportation must be expressly authorized.
The authorization must be signed by the manufacturer of this Power
Analyzer.
2-1
2. INTRODUCING THE POWER ANALYZER
WARNING
Read the „Power Analyzer Safety“ in section 1 of this manual before using the
instrument.
This 1- and 3-phase Power Analyzer is designed for bench-top, field service,
and system application.
Some features provided by the Power Analyzer are:
Large, blue LCD monitor, 120 x 64mm (240x128 pixels).
Fully menu controlled operation with only 11 membrane keys.
Meter mode and graphics mode.
Measures and computes all electrical quantities of current, voltage, power,
energy and harmonics of current, voltage, and power simultaneously.
Frequency measurement 0.1Hz-400kHz.
AC, and AC+DC for individual quantities.
Built-in integrator.
Harmonic Analysis of current, voltage and power.
Bar graph and wave form display.
Wide voltage- and current range (1.5mA-40A).
High common mode rejection ratio.
2-2
2.1 OPTIONS AND ACCESSORIES
Option 01 contains the RS-232 serial interface, the Centronics printer output,
and the Windows Operating Software.
Option 02 contains the RS-232 serial interface, the Centronics printer output,
the IEEE-488 interface, and the Windows Operating Software. The IEEE-488
interface complies with the 488.1 and the 488.2 (1987) standard.
Option 03 contains the RS-232 serial interface, the Centronics printer output,
the IEEE-488 interface, four programmable 5V analog outputs, and eight
analog inputs, and the Windows Operating Software.
Option 04 contains a 3-phase current sensor module for currents up to 100A,
DC-10kHz. The supply for the current sensor module is provided by the Power
Analyzer.
Option 06 contains a comprehensive Lab View driver to operate the Power
Analyzer.
Option 07/M contains the Operating Software for Motor Testing.
Option 07/T contains the Operating Software for Transformer Testing
Option 08 contains TTL-input for external synchronization via analog-in analog-
out connector.
Option 09 contains the network to form artificial neutral.
Option 10 contains the 0-300A, 0-3000A flexible current clamps with connector
to clamp input of Power Analyzer. (one per phase)
Available accessories are described below.
ACS1: Current clamp with connector to the shunt input of the Power
Analyzer; range 0-200A, 0-1000A, DC-1kHz, 2 % accuracy
ACS2: Current clamp with connector to the shunt input of the Power
Analyzer; range 0-40A, 0-400A, DC - 2kHz, 2 % accuracy
ACS3: Soft carrying case provides protection for the instrument. Ideally
suited for service applications.
ACS4: Set of test leads, max. 32A, 1.5m; 2 red, 2 black.
2-3
ACS5: Shunt input connector.
ACS6: Service Manual
ACS7: Rack Mounting Kit
ACS8: Official Calibration Certificate from SCS (SCS: Swiss Calibration
Service)
ACS10: RS-232 / USB Adapter
ACS11: RS-232 / Ethernet Adapter
2.2 SPECIFICATIONS
This section defines the performance of the Power Analyzer. The user must be
aware that exposure of the Power Analyzer current inputs to their maximum
value will result in additional measurement errors. These errors add to those
given in the specification table.
1 A input: I0.5 A add 0.1 % x I2 (current in Ampere)
5 A input: I3 A add 0.018 % x I2 (current in Ampere)
30 A input: I15 A add 0.00014 % x I2 (current in Ampere)
Operating the 5A input at elevated currents (4A) will also affect the 30A input,
and visa versa.
Operating temperature range: 10C - 40C
2-4
Voltage 8 ranges: 0.3 V, 1 V, 3 V, 10 V, 30 V, 100 V, 300 V, 1000 V
Frequency range
DC, 0.1 Hz
–
1 MHz
Crest Factor
3:1 at 50 %
full scale (fs)
Input Impedance 1 MOhm
Common Mode
50 Hz/100 kHz
160 dB/100 dB
Standard accuracy 23°C; rms, mean, rectified mean; 0.3 V typ.
1 Hz–1 kHz ±(0.1 % rdg + 0.1 % range)
DC, 1 kHz–10 kHz ±(0.2 % rdg + 0.2 % range)
10 kHz-100 kHz ±(0.3 % / range + 0.04 % /kHz rdg)
100 kHz
-
300 kHz
±(0.3 % / range + 0.04 % /kHz rdg), typ.
Improved accuracy
±(0.05 % rdg + 0.07 %
rng)
DC: typical
Current 13 ranges: 1.5 mA, 5 mA, 15 mA, 50 mA, 150 mA, 500 mA,
1.5 A, 5 A; 1, 3, 10, 30, 100 A.
Max. 1A, 5 A, 30 A, resp.
Frequency range DC, 0.1 Hz-300 kHz /
1MHz
Crest Factor
3:1 at 50 % full scale (fs)
Common Mode 50 Hz/100 kHz 160 dB/120 dB
Standard accuracy 23°C; 1A-, 5A-, shunt input 30 A input
1Hz-1kHz ±(0.1% rdg+0.1% rng) ±(0.1% rdg+0.1% rng)
DC, 1kHz-10kHz ±(0.2 % rdg + 0.2 % rng) ±(0.7 % rdg + 0.2 % rng)
10kHz-100kHz ±(0.3 % range + 0.04 %/kHz rdg)
100kHz
-
300kHz
±(0.3 % range + 0.04 %/kHz rdg), typical
Lowest ranges 1.5 mA,
15 mA, 1 A: typical
Improved acc. 1Hz –
400 Hz
±(0.05% rdg + 0.07%rng)
DC: typical
Power 104 ranges corresponding to the products V x A.
Frequency range
DC, 0.1 Hz
-
300 kHz
45 Hz-65 Hz (0.1 % rdg + 0.01 % range)
1 Hz-1 kHz Add accuracy percent of current and voltage*
DC, 1 kHz-10 kHz Add* +0.04 % / (kHz PF)
10 kHz-100 kHz Add* +0.04 % / (kHz PF), typical
PF = 0 to ±0.1
PF = 0 to ±1
PF = 0 to ±1; DC: typical
PF = 1
Frequency
0.1 Hz-400 kHz, V triggered; Accuracy ±0.1 %
Computed
Values
Accuracy; Reactive Power, Var=±(VA2-W2)1/2, Apparent Power:
VA=Arms Vrms; Power Factor: PF=W/VA; Crest Factor:
CF=Ap/Arms, Vp/Vrms: Form Factor: FF=At/Arms, Vt/Vrms;
Impedance: Z=Vrms/Arms; Total Harm Dist: THD=Irms2 – Ifund2)1/2 /
Irms
Add accuracy percentage
figures of values involved
in computation.
Integrator Energy, Charge; Accuracy Wh, Vah, Varh, Ah; Basic accuracy of
integrated quantity.
Harmonic
Analysis
Frequency range of fundamental
2.5 Hz
-
100 kHz
Range of harmonic 1-99
Accuracy, Harmonic current and voltage
2 Hz-1 kHz ±(0.1 % rdg + 0.1 % range)
1 kHz-10 kHz ±(0.5 % rdg + 0.5 % range)
10 kHz
-
100 kHz
±(0.7 % range + 0.1 %/kHz rdg), typical
Display Liquid crystal graphic display with FL backlight
64 x 120 mm; 128 x 240 pixels
Power
AC, 50-400 Hz; Fuse: Power 85 V-240 V; 2 A, 15 VA
Dielectric
Strength
Inputs to case or power supply
Line input to case
Input to Input
2.5 kV/50 Hz/1 minute
1.5 kV/50 Hz/1 minute
4 kV/50 Hz/1 minute
2-5
Dimension
H x W x D; weight 150 x 235 x 320 mm; 4 kg
Options IEEE-488-2, RS232, Centronics printer output
4 programmable analog output; single-, sum-, or average values
4 analog inputs 0 - ±5 V, input impedance 200 kΩ
4 analog inputs 0 - ±10 V, input impedance 200 kΩ
Rack Mounting Kit / Windows Operating Software 95, 98, 2000, NT,
XP; transformer-motor testing
0 - ±5 V, accuracy 0.2 %
0 - ±5 V, accuracy 0.2 %
0 - ±10 V, accuracy 0.2%
1.5mA-1A
Inp/Shunt
Input
Shunt Hi
1 A input Hi against ILo
Shunt Lo
1 A input; mA: 1.5, 5, 15, 50, 150, 500, 1500
Shunt input, mV: 60, 60√10, 600, 600V√10,
6000, 6000√10
Input impedance:
60k
1A input: set scaling to 0.1
Shunt input: 60 mV
corresponds to 1.0000 A
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