The Power Analyser CASSY is a measuring instrument specially developed for training purposes for the analysis of voltages up to 1000 V and currents up to 16 A.
The measuring instrument is a combination of potential-free and differential oscilloscope, multimeter, wattmeter, energy analyser and data logger.
Useful areas of application:
Energy grids:
- Voltage and frequency stability
- Load behaviour of networks
- Effect of harmonics
Electrical machines:
- Inrush current from transformers and machines
- Transformation ratio of transformers
- Efficiency of machines
Power electronics:
- Rectifier
- DC/DC converter
- DC/AC converter
- Frequency converter
- Filter
POWER ANALYSER CASSY – IN DETAIL
- Simultaneous measurement of U, I, φu, φ, f and P in 4 channels
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- Instantaneous values U, I and P
- Averaged values U, I and P
- RMS values (AC+DC) U and I
- RMS values (AC) U and I
- Fundamental wave filters
- Delta connection adjustment
- Measuring accuracy U,I is at 0.5%.
- Frequency response voltage: 100 kHz 3 dB 250 V
- Frequency response current: 40 kHz 3 dB at 10 A
- Universal connection options
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- Via USB-C connection with PC or laptop
- Via WiFi with the school network or setting up an access point
- Automatic or manual measuring range selection
- Support of the measurement software CASSY Lab 2 for drives and power systems 524 222, for computer-aided measurements and simple to highly complex evaluations.
- Formula
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- Electrical power calculation S, P, QC and QL
- Electrical work WS, W and WQ
- Resistance calculation R, Z, XC, XL, G, Y BC and BL
- Positive sequence component, negative sequence component and zero sequence component in 3-phase systems
- Time derivative, integral over time, FFT analysis, mean value, histogram and modelling
- Drivers allow the data to be evaluated with LabVIEW and MATLAB
- Possibility of direct manual operation of the device by means of a rotary selector with cursor keys
- Direct value readings on 9 cm backlit display
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- Display of up to 24 measured values on one display
- Display of all values for each channel
- Display of all values in tabular form
- Display of measured values in a diagram
- Display of a vector diagram
- Wireless connection to the CASSY app via WiFi for experimentation with tablets and smartphones (iOS, Android and Windows)
- Measuring instrument category CAT III 300: allows the use of the measuring instrument from tests with safety extra-low voltage (SELV) via 3-phase systems with or without neutral conductor to tests in power electronics, e.g. link voltage of 700 V DC
- FPGA-based real-time processing in the device enables comprehensive network analysis in the three-phase networks, which are displayed directly on the device in the vector diagram