What is electrical power?
Electrical power is the rate at which electrical energy is transferred by an electric circuit. It is typically measured in watts (W), where one watt is equal to one joule of energy transferred per second. Electrical power can be calculated using the formula:
where:
Voltage (V) is the potential difference between two points in the circuit, measured in volts.
Current (I) is the flow of electric charge through the circuit, measured in amperes (amps).
What is power quality?
Power quality refers to the characteristics of the electrical power supplied to a system that affect its performance. Good power quality ensures that electrical systems operate efficiently, reliably, and safely. Poor power quality can lead to equipment malfunction, reduced lifespan, and energy inefficiency. Key aspects of power quality measurement include Voltage Stability, Frequency Stability, Harmonics, Transient Surges, Voltage Sags and Swells, Interruptions, and Power Factor.
What is a power analyzer?
A power analyzer is an instrument used to measure and evaluate the electrical power characteristics of a system. It provides detailed insights into various aspects of power quality, energy consumption, and electrical performance. Power analyzers are essential tools for diagnosing, troubleshooting, and optimizing electrical systems. They are used in a wide range of applications, including industrial facilities, commercial buildings, utilities, and research labs.
Key functions and features of a power analyzer include:
Voltage and Current Measurement: Power analyzers measure the voltage and current in electrical circuits, providing accurate readings for both AC (alternating current) and DC (direct current) systems. Dewesoft power analyzer can measure direct voltage up to ±2000 V!
Power Measurement: They calculate real power (watts), apparent power (volt-amperes), and reactive power (volt-amperes reactive). This helps in understanding the actual power consumption and efficiency of electrical devices.
Power Factor: Power analyzers measure the power factor, which indicates the efficiency of power usage. A low power factor means more reactive power, leading to higher energy costs.
Harmonics Analysis: They detect and analyze harmonic distortions in the electrical system. Harmonics can cause equipment overheating, increased losses, and interference with other devices.
Energy Consumption: Power analyzers track and record energy consumption over time, providing data on kilowatt-hours (kWh) used. This is useful for energy management and cost allocation.
Transient Analysis: They capture and analyze transient events such as voltage spikes, sags, and swells, which can affect the performance and longevity of electrical equipment.
Data Logging and Monitoring: Many power analyzers have data logging capabilities, allowing continuous monitoring of electrical parameters over time. This data can be stored and analyzed to identify trends and issues.
Communication Interfaces: Advanced power analyzers often come with communication interfaces such as USB, Ethernet, or wireless connectivity, enabling remote monitoring and integration with other systems.
Dewesoft power analyzers
Accurate
Dewesoft power analyzers provide accurate measurement accuracy (0.03%) throughout the high bandwidth (up to 5 MHz) and throughout the entire measurement chain from the current transducer to power calculation. We provide accurate measurement results for static and dynamic tests.
Flexible
Dewesoft power analyzers offer flexible configurations, from 3-phase input to multi-phase input in a single-box or distributed configuration. Inputs can easily be expanded to support mechanical measurements such as torque, temperature, vibration, strain, and force. Additional digital inputs and outputs, such as CAN, CAN FD, XCP, Ethernet, Video, GNSS, etc., are possible.
Powerful
You can easily calculate hundreds of power parameters, harmonics, FFTs, power energy, and electric motor efficiency. Calculations can even be performed on multiple parallel power modules with different configurations. Our power analyzers support offloading calculations to GPU with NVIDIA CUDA support to make real-time calculations online. RAW data storing offers a convenient option to recalculate everything offline without repeating your test.