PA4000 데이터 시트보기 (PDF) - Unspecified

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PA4000

Power Analyzer

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Datasheet

Unique Spiral Shunt™ technology (patent

applied for)

The PA4000 employs an innovative Spiral Shunt design that ensures

stable, linear response over a wide range of input current levels, ambient

temperatures, crest factors, and other variables. This new design is superior

to other shunt technologies and contributes to the instrument's reliable

accuracy and repeatability over a wide range of signal conditions common

in today's power conversion technologies. The spiral construction not only

minimizes stray inductance (for optimum high frequency performance) but

also provides for high overload capability and improved thermal stability.

Application-Specific test modes

Some applications require special instrument settings to ensure proper

measurements. The PA4000 simplifies setup for these applications by

automatically choosing instrument settings and parameters that are

optimized for each type of measurement application, resulting in more

reliable measurement results with less opportunity for user setup error.

Spiral Shunt for 30 A input

Spiral Shunt for 1 A input

2 www.tektronix.com

Selection of application-specific test modes.

PWM motor drive mode

PWM motor mode is designed to overcome the difficulties associated with

making measurements on the complex waveforms commonly found on the

motor drives. High frequency sampling is combined with digital filtering to

reject the carrier frequency and extract the motor frequency while still using

prefiltered data for power parameters

Standby power mode

Driven by consumer demand and energy efficiency regulations (such as

ENERGY STAR), there is an ever-increasing need to measure power

consumption of products while they are in standby mode. One of the most

widely used standards for measurement is IEC 62301. Part of this standard

requires the measurement of power over a prolonged period of time without

missing any short duration power events. The PA4000 standby power mode

provides continuous sampling of voltage and current to produce an accurate

Watts measurement over the user specified period.

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