POWER ANALYZER PW3390 HIOKI

Power Analysis: Essential for Modern Efficiency

In the relentless march towards greater energy efficiency and performance across all sectors, the precise measurement and analysis of electrical power have become absolutely indispensable. From optimizing the fuel economy of electric vehicles to enhancing the efficiency of renewable energy systems and industrial machinery, understanding power dynamics is crucial. Inaccurate power measurements can lead to significant energy waste, compromised system performance, and substantial financial losses. This critical need for precision elevates the role of advanced power analyzers, instruments meticulously designed to capture and analyze complex electrical waveforms and power parameters. The product in focus, the Hioki PW3390 Power Analyzer, represents the pinnacle of this technology. It is not merely a measuring device; it is a comprehensive diagnostic platform engineered to provide unparalleled insights into power consumption, efficiency, and quality. With meticulous attention to detail and incorporating the latest advancements, the PW3390 offers exceptional accuracy, bandwidth, and versatility, empowering engineers, researchers, and manufacturers to ensure the optimal performance, safety, and longevity of countless electrical systems across diverse industries.

Automotive Fuel Economy: Meeting WLTP Standards

The Hioki PW3390 Power Analyzer is an exceptionally effective tool for evaluating vehicle fuel consumption performance, particularly in accordance with the stringent Worldwide Harmonized Light vehicles Test Procedure (WLTP). This international standard demands highly precise measurements of current and power integration for the recharging and discharging of each battery within a vehicle’s system. The PW3390, when paired with Hioki’s high-accuracy current clamp sensors, achieves the necessary precision even within challenging environments like hot engine compartments. The sensors themselves are designed for optimal automotive testing, operating reliably over a wide temperature range of -40°C to 85°C (-40°F to 185°F), ensuring accurate data collection where conventional sensors might fail. The PW3390’s excellent DC accuracy and its unique ability to integrate current and power at 50 ms intervals are crucial for meeting WLTP compliance requirements, especially for evaluating WLTC Mode Performance. Furthermore, the operating temperature range of the PW3390 has been specifically extended to reach −10°C, enabling accurate WLTP measurements even in challenging −7°C environments, which are part of the standard’s test cycles. The Current and Power Integration Function by Polarity is a standout feature: it integrates recharging and discharging power for every sample at a high rate of 500 kS/s, measuring positive-direction power magnitude, negative-direction power magnitude, and the sum of both during the integration period. This ensures accurate measurement even with rapid, fluctuating battery recharging/discharging cycles. For seamless testing of actual automobiles, external control terminals allow users to START/STOP integration and capture screenshots, making it easy to link operations with console switches and other instruments.

Inverter Output: Precision and High Bandwidth

The PW3390 sets a new benchmark for measuring inverter output, delivering proper accuracy and bandwidth to precisely measure inverter output. It achieves this through a complete pursuit of measurement accuracy and high-frequency characteristics. The analyzer provides 4 input channels and boasts an industry-leading $\pm$0.04% basic accuracy for power, positioning it as a top instrument in its class. This enables highly precise measurements of the power and efficiency of high-efficiency equipment commonly used in power electronics, where even small errors can lead to significant energy losses. Furthermore, its expansive 200 kHz measurement band and flat amplitude and phase characteristics up to high frequencies allow for the precise measurement of power at top frequency levels and low power factor. This capability is crucial for accurately analyzing complex, distorted waveforms typical of inverter outputs. At the heart of its performance is a sophisticated Power Analysis Engine that achieves high-speed simultaneous calculation on 5 systems: period detection, wideband power analysis, harmonic analysis, waveform analysis, and noise analysis. This engine precisely captures input waveforms with 500 kS/s high-speed sampling and a high-resolution 16-bit A/D converter. This advanced digital processing enables both highly precise measurements and an exceptionally fast 50 ms data refresh rate, providing real-time insights into dynamic inverter performance.

Diverse Current Sensors and Phase Shift Compensation

The Hioki PW3390 Power Analyzer expands measurement possibilities with a rich lineup of current sensors, ensuring versatility across a multitude of applications. Hioki designs and manufactures current transducers with superior precision, high-accuracy clamp sensors for ultimate measurement convenience, and flexible current sensors that support up to 6000 A of current. This diverse lineup allows customers to easily meet various application needs, from testing the secondary side of inverters to measuring large currents from commercial power lines. The Current Sensors for the Thorough Pursuit of High Accuracy include: High Accuracy Sensor Pass-Through Type for extremely accurate measurements of large currents up to 2000 A over a wide operating temperature range; High Accuracy Sensor Clamp Type for quick and easy connections, with compact options for complicated wiring and large current capabilities up to 1000 A; and High Accuracy Sensor Direct Wire Type, a newly developed DCCT method delivering expansive measurement range and superior accuracy at a rating of 50 A. Crucially, the PW3390 features a Built-in Current Sensor Phase Shift Function. This function, equipped with new virtual oversampling technology, achieves a phase shift equivalent to 200 MS/s while maintaining a high speed of 500 kS/s and 16-bit resolution. It allows users to set and correct the phase error of the current sensor at a resolution of 0.01°, dramatically reducing measurement error. This capability is essential for accurately measuring high-frequency, low-power factor power, such as the switching frequency components of inverter output, which are notoriously difficult to measure with conventional equipment.

Field and Laboratory: Robust and Adaptable

The PW3390 is engineered for exceptional versatility, performing with high accuracy whether in the controlled environment of a laboratory or the challenging conditions of the field. It is designed to take highly accurate measurements even in tough temperature conditions. Severe temperature environments, such as engine rooms with intense temperature changes or constant temperature rooms, can typically hinder high-accuracy measurements. However, Hioki provides a lineup of high-accuracy pass-through-type and clamp-type current sensors with excellent temperature characteristics and wide operating temperature ranges, along with compact sensors that can be easily installed in complicated wiring and narrow spaces. The PW3390 itself can operate from a low temperature environment of −10°C to a high temperature of 40°C, making it suitable for a wide variety of testing environments. Its dramatically compact and lightweight form factor, achieved by concentrating calculation functions in the power analysis engine, means that highly accurate measurements normally confined to the laboratory are now also possible in the field. For measuring large currents on 50 Hz/60 Hz lines, the Max. 6000 A Measurement capability, supported by the CT7040 AC FLEXIBLE CURRENT SENSOR series, allows for easy wiring even with thick cables in crowded or narrow locations, including solar power conditioner output. Furthermore, the convenience of no external power supply needed for sensor connections simplifies field setups, as power is supplied directly from the main unit, and connected sensors are automatically recognized for quick and reliable measurements. The user-friendly Wiring Displays and Quick Setup functions allow users to perform wiring while checking diagrams and vectors on screen, with optimum settings automatically applied by simply selecting a connection, enabling immediate measurement.

Inverter Efficiency and Multi-Unit Synchronization

The PW3390 is an indispensable tool for accurately measuring the power conversion efficiency of inverters, a critical parameter for optimizing energy systems. It provides highly accurate and fast 50 ms calculation of power in transient states, allowing for precise measurement of dynamic power conditions, such as motor operations during starting and accelerating. The analyzer can automatically measure and keep up with power with fluctuating frequencies, from a minimum of 0.5 Hz, ensuring reliable data even in highly dynamic scenarios. The combined accuracy of current sensors applicable throughout the entire range is achieved through the use of built-to-order high-accuracy pass-through type current sensors. This ensures highly accurate measurements regardless of range, from large to minute currents, even for loads that fluctuate greatly. Furthermore, the PW3390 is equipped to measure high-frequency noise in inverters. Power supply problems caused by high switching inverter frequencies are often unrelated to the fundamental frequency, making proper harmonic analysis difficult with conventional tools. The noise analysis function performs a frequency analysis of noise components up to 100 kHz, displaying the frequency, voltage, and current levels for the top 10 points, which is highly effective for identifying and characterizing high-frequency noise. For large-scale testing, the PW3390 can acquire data from up to 8 synchronized units (32 channels). By connecting multiple PW3390 units with the CONNECTION CABLE 9683, control signals and internal clocks synchronize, allowing the primary unit to control measurement timing on secondary units. This enables simultaneous measurements across a larger number of systems, with synchronized data saved to a CF card or PC for comprehensive analysis.

EV/HEV Motors and PV Power Conditioner Analysis

The Hioki PW3390 extends its analytical prowess to specialized applications such as analyzing and measuring EV/HEV inverter motors and measuring the efficiency of PV Power Conditioners (PCS). The PW3390-03 model features a built-in electric angle measurement function required for vector control via dq coordinate systems in high-efficiency synchronized motors. It makes real-time measurements of phase angles for voltage and current fundamental wave components based on encoder pulses, and allows zero-adjustment of the phase angle for electric angle measurement based on inductive voltage phase, crucial for Ld and Lq calculation parameters. For harmonic analysis, it measures harmonics with consideration for PWM waveform characteristics. The zero-crossing filter automatically matches the input frequency (0.5 Hz to 5 kHz) to reliably detect the fundamental frequency, while digital AAF prevents aliasing error, ensuring precision and reproducibility. Data transfer is streamlined with Bluetooth® wireless technology, allowing the PW3390 to connect with a data logger (with LR8410 Link support) to wirelessly transmit 8 parameters of measurement values for real-time observation and recording alongside other logged parameters. For PV Power Conditioners, Hioki offers current measurement solutions for large currents of 1000 A or more, with sensors up to 6000 A for 50 Hz/60 Hz and 2000 A for DC. The CT9557 SENSOR UNIT allows adding output waveforms from multiple high-accuracy sensors for highly accurate measurement of up to 4000 A in multi-cable wiring. The PW3390 also supports PCS parameters, simultaneously displaying efficiency, loss, DC ripple factor, and 3-phase unbalance rate, and allows synchronized DC power measurements with output AC for stable efficiency. Its $\pm$0.01 Hz basic accuracy for voltage frequency measurements provides industry-leading accuracy for PCS tests across up to 4 channels simultaneously.

tpt24: Your Global Partner for Precision

When investing in a high-precision, versatile instrument like the Hioki PW3390 Power Analyzer, the credibility and reliability of your supplier are absolutely paramount. We proudly assert that tpt24 is the premier online store for this power analyzer globally. Our unwavering dedication to customer satisfaction and product integrity truly sets us apart in the competitive market of technical instruments. At tpt24, we don’t merely facilitate a transaction; we forge a lasting partnership built on trust and an unyielding commitment to excellence. We guarantee the authenticity and quality of every single product we sell, ensuring that you receive a genuine, factory-fresh instrument that performs to its advertised specifications and provides consistently accurate and reliable power measurements. Our extensive global reach means that geographical boundaries pose no obstacle to acquiring this cutting-edge technology. We deliver this product to you in any country you reside in, leveraging a robust and efficient global logistics network to ensure secure, timely, and hassle-free delivery directly to your doorstep, anywhere in the world. Our dedicated customer support team is always ready to assist with any pre-purchase inquiries or post-delivery support, ensuring a seamless and satisfying experience from the moment you consider your purchase to years of reliable operation. Choosing tpt24 means investing in unparalleled quality assurance and the convenience of a truly global procurement partner for your advanced power analysis needs. The accompanying PW Communicator PC Communication Software further enhances its utility, offering numerical and waveform monitoring, meter settings, multi-unit control, and CSV data recording. Rackmount fittings for EIA or JIS are also available for seamless integration into laboratory setups.