About

Electrical Power Analysis

High-precision electrical power measurement and analysis [AC⚡DC]

Dewesoft is a leading provider of advanced power analyzers and data acquisition systems designed to meet the rigorous demands of electrical power measurement and analysis. Our solutions are tailored for professionals across various industries, offering precise, reliable, and easy-to-use instruments to ensure optimal performance and efficiency in power systems.

Dewesoft Power Analyzers go beyond accurately measuring direct high-voltage and current signals. They excel in measuring a wide range of parameters, including vibration, temperature, loads, GPS/GNSS, CAN bus, XCP/CCP, video, and much more – all fully synchronized for comprehensive data insights.

About

Electrical Power Analysis

High-precision electrical power measurement and analysis [AC⚡DC]

Dewesoft is a leading provider of advanced power analyzers and data acquisition systems designed to meet the rigorous demands of electrical power measurement and analysis. Our solutions are tailored for professionals across various industries, offering precise, reliable, and easy-to-use instruments to ensure optimal performance and efficiency in power systems.

Dewesoft Power Analyzers go beyond accurately measuring direct high-voltage and current signals. They excel in measuring a wide range of parameters, including vibration, temperature, loads, GPS/GNSS, CAN bus, XCP/CCP, video, and much more – all fully synchronized for comprehensive data insights.

Product

Features

Comprehensive power analysis solution

Dewesoft’s instrumentation is engineered to deliver accurate and comprehensive electrical power analysis. Whether you are working on energy generation, distribution, or consumption, our tools provide the insights needed to optimize power systems and enhance energy efficiency.

Key Features:

  • High Precision Measurement: Our devices offer high-resolution data acquisition with exceptional accuracy, ensuring reliable power measurement across a wide range of applications.
  • Real-time Data Processing: Experience real-time analysis with our powerful software, capable of instantaneously processing large volumes of data for immediate insights.
  • Multi-channel Support: Dewesoft power analyzers support multiple channels, allowing for simultaneous measurement of various electrical parameters, including voltage, current, power, frequency, and harmonics.
  • Multi-signal Support: Dewesoft power analyzers not only support direct high voltage and current inputs but can also acquire other analog signals such as vibration (IEPE, MEMS, charge), temperature (thermocouples and RTD), strain and stress, pressure, and LVDT, along with digital signals such as CAN, XCP, CCP, Flexray, GNSS, and video.
  • Advanced Harmonic Analysis: Identify and analyze harmonic distortions with our advanced tools, helping to improve power quality and reduce system losses.
  • Flexible and Scalable: Our modular systems can be customized and scaled to meet the specific needs of any project, from small-scale setups to large, complex installations.
Electrical Power Analysis

Demostration Video

Additional

Information

What is electrical power analysis

Electrical power analysis is the process of examining and interpreting electrical parameters within power systems to ensure their efficiency, reliability, and safety. It involves measuring various electrical quantities such as voltage, current, power, frequency, and phase angles, and analyzing this data to understand the behavior and performance of electrical networks. By employing Dewesoft instrumentation and software, engineers can identify patterns, detect anomalies, and diagnose issues that may affect the operation of power systems. This analysis is crucial for optimizing energy generation, transmission, distribution, and consumption, enabling better decision-making and system management.

The scope of electrical power analysis extends to various applications, including renewable energy development, e-mobility development, power quality assessment, harmonic analysis, load profiling, fault detection, and electrical power systems analysis. Overall, electrical power analysis is a vital tool in maintaining the health and efficiency of any electrical devices and infrastructures, contributing to the sustainability and reliability of power systems.

 

Dewesoft power analyzer: more than just a power analyzer

Dewesoft power meters offer numerous benefits compared to conventional power analyzers. They provide a highly flexible solution for electrical and mechanical power measurements, combined with power quality analysis capabilities, making them the perfect choice for comprehensive power analysis.

Key Advantages:

  • Multi-Functional Device: Dewesodt power analyzers combine the functionality of a power analyzer, combustion analyzer, oscilloscope, raw data logger, spectrum analyzer, and CAN logger in a single device.
  • Synchronous Data Acquisition: Captures electrical, mechanical, vehicle bus, positioning data, and video simultaneously.
  • Unified Data Storage: Stores all data in one system and one data file format.
  • Integrated Power Analysis and Data Storage: Allows combined power analysis and raw data storage.
  • Real-Time Calculation: Performs live, online power calculations with 1ms resolution.
  • Enhanced Power Quality Analysis: Advanced tools for thorough power quality assessments are provided.
  • Versatile Input Channels: Supports any number and type of input channels, including voltage, current, IEPE/ICP, strain, thermocouple, RTD, and CAN.
  • Portable and Modular System: Our portable power analyzers are battery-powered and feature an integrated LED display, a fast CPU, and SSD storage, making them fully portable and standalone. Modular systems can easily be distributed and offer convenient setup for test benches and lab use. All power analyzers are expandable to hundreds of I/O channels.
  • Sensor Software Calibration: Includes additional software calibration for sensors.
  • Integrated Sensor Power Supply: We provide power for sensors such as current transducers directly from our power analyzers, eliminating the need for an external sensor excitation source.

These features make the Dewesoft powers analyzer a comprehensive and efficient power analysis solution, eliminating data synchronization, visualization, storage, and comparison issues.

Typical hardware configurations

  • Motor & Inverter Testing: 3-phase AC power (variable frequency) and mechanical power (with CNT inputs)
  • E-Mobility: 3-phase AC power (variable frequency), DC power
  • Aircraft: 3-phase AC power (400 Hz), 1-phase AC power (50 Hz), DC power
  • Marine: 3-phase AC power (50 Hz), 1-phase AC power (50 Hz), DC power
  • Railway: 3-phase AC power (50 Hz), 1-phase AC power (16.7 Hz), DC power

Browse all Dewesoft power analyzers and find the perfect one for your application.

High precision mesurements

For precise power analysis, highly accurate voltage and current amplifiers are essential. SIRIUS amplifiers, with their high sampling rates and integration into both high and low-voltage inputs, set new standards in measurement accuracy. These amplifiers boast a basic accuracy of 0.03% of reading from DC to 1 kHz. This level of precision is unique in the power analyzer market, particularly crucial for variable frequency drives where achieving the highest possible accuracy is necessary for all measurements.

Unlike other manufacturers, which often focus solely on accuracy at line frequencies (50/60 Hz), Dewesoft ensures superior performance across a broader frequency range. For a visual representation, refer to the grey line in the accompanying chart.

Key Features of High-Accuracy Amplifiers:

• Wide Bandwidth: Up to 5 MHz

• High Sampling Rate: 15 MS/s

• Base Accuracy: 0.03%

• Flexible Filtering Options: Includes optional hardware 1 MHz low-pass filter (LPF) and programmable digital IIR filters

These features make Dewesoft’s voltage and current amplifiers exceptionally accurate and versatile, ensuring top performance in various power analysis applications.

Frequency source selection

The Dewesoft Power Analyzer allows users to choose the frequency source for their measurements. The available options are:

  • Voltage
  • Current
  • External frequency source

This feature is especially beneficial when measuring inverters. Inverter measurements can be tricky due to the PWM-modulated voltage signal, which makes it difficult to determine the correct period of time. On the other hand, the current signal is generally less distorted because of the high inductance in the motor coil.

Therefore, using the current signal as the frequency source is often a better choice for inverter measurements. This approach ensures accurate frequency determination for every application.

Various wiring configurations with simple and intuitive setup

The DewesoftX data acquisition software offers a visual selection of different wiring schematics and provides power calculations for all possible connections.

Predefined Power Schematics:

  • Direct Current
  • Single-Phase
  • Two-Phase
  • Star Connection
  • Delta Connection
  • V Connection
  • Aron Connection
  • Combined Star/Delta Connection

These connections can be measured with or without currents. Thanks to the modular construction of our measurement devices and the multiple synchronized power modules in our software, Dewesoft can also analyze 6, 7, 9, or 12-phase motors.

To learn more about each connection, please look at the Dewesoft Power Analysis free online training or the Dewesoft Power Manual.

Compatible with various current sensors

Correct current transducers are essential for electrical measurements. Our power analyzers are compatible with a wide range of different current sensors. We are offering different current sensor types that match perfectly with our power analyzers:

  • DC-CT® current transducers
  • Zero-Flux transducers
  • Iron-core current transformers
  • Hall-compensated current clamps
  • Fluxgate current clamps
  • Rogowsky coil current probes
  • Shunts

All our current sensors feature TEDS and can be powered directly from our power analyzers. For more information refer to:

  • DC-CT® current transducer product page
  • Current sensors product page

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