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  AC Calibrator
  Power Supply

- - CW500

CW500 POWER QUALITY ANALYZER

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  • POWER QUALITY ANALYZER

    Prtable Power Meter

    »óÇ°Á¤º¸ ¸ðµ¨¸í CW500
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    Á¦Ç°¼Ò°³ > Power Measurement and Logging
    > Power Quality Measurement
    > User Support
    > Analysis of Data and Report Generation

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Power line and Input Channel: 3 CH Voltage, 4 CH for Current Clamp Probe.

1P2W (up to 4 systems), 1P3W (up to 2 systems), 3P3W 2current (up to 2 systems), 3P3W 3current, 3P4W

Power measuring item:

Instantaneous, average, maximum, and minimum values for each setting period:

Voltage/Current/Power (Active, Reactive, Apparent)/Power Factor/ Phase Angle/Frequency/Calculated Phase Shift Capacitance/DC voltage value 2 CH.

Integration Value

Energy (active, reactive, apparent), Demand (list or graph display of change in a specific period and as a whole)

Recording Interval Period

1/2/5/10/15/20/30 second, 1/2/5/10/15/20/30 minute, 1 hour/2 hours

Recording method

Manual, time, period

Estimated Recording Length with 2 GB SD card

CW500 Estimated Recording Length

* The recording length shortens according to the number of power quality events.

* Only the included SD memory card or dedicated SD memory card is guaranteed.

Various Measuring Screens

List display, zoom display by 4 or 8 divisions, trend graph display, integration value display for energy, demand list display of value, demand graph display for change of period, demand graph display for whole recording

List Display

Items of measured values can be selected with the curser key.

CW500 List Display

Zoom Display

Zoom display can be selected by 4 or 8 divisions. 

CW500 Zoom Display

Trend Graph

Trend graph of voltage/ current/power/power factor/frequency/ advanced phase condenser external DC voltage.

CW500 Trend Graph

 

Energy Display

List of active, apparent, reactive by consumption or generation.

CW500 Energy Display

Demand measuring

Demand is the average power value of a specific period (usually 30 minutes). The contract with the power supplier conditionally concerns the maximum average power value between a period for the consumption fee. This function supports how to maintain within the target consumption by monitoring the estimated demand value to the setting rate with the maximum demand value.

List of Demand Value

CW500 List Of Demand Value

Graph display of change on specific period

CW500 Graph Display Of Change

Graph display of whole demand trend

CW500 Whole Demand Trend

Analysis and Reporting of recorded data

Analysis and reporting is enabled by simply clicking on the desired data on the software screen.

Analysis can be viewed by trend graph, overage, maximum and minimum value of voltage current, power, and power factor. Report generating can be set daily by daytime, nighttime, working day, or off day. It can also be set on a monthly period based on daytime or nighttime, working day or off day. Additionally, energy data to quantify into crude oil barrels or CO2 can also be converted.

Trend analysis graph

CW500 Trend Analysi Graph

Sample of report

CW500 Sample Of Report

Power Quality Function

Short period power line malfunctions such as voltage swells, dips, interruptions, transients, over or inrush currents, or long periods of harmonic distortion/flicker may damage or reset your devices.

The CW500 helps to identify each of those short period malfunctions by recording occurrence time, occurrence finish time and waveforms. Additionally there is a digital output on occurrence.

Long period malfunctions can be analyzed by harmonics, flicker, waveform, or by checking on the unbalance rate calculation for a 3 phase measurement.

All data can be finalized into a report format with the included software. The CW500 conforms to the IEC standard of 61000-4-30 Class S.

CW500 Table

User Support Function 

User Friendly

Quick start guide and automatic type of clamp recognition

The quick start guide will show on-start measuring and how to wire and set the range before measuring. The automatic clamp detection will insure the settings are correct.

Start of guidance

PUSH the ¡°START/STOP¡± key.

Select ¡°Quick start guide¡±.

Select recording item.

CW500 Start Of Guidance

Wiring

Select the wiring and the appropriate connection diagram will be displayed. 

Connect accordingly.

CW500 Wiring

Wiring check/self diag./self id. 

Wiring check, self-check and the type of clamp is automatically detected and the results displayed. 

If NG is displayed, the detail can be confirmed by pressing the ¡°ENTER¡± key.

CW500 Wiring Check

Recording setting

Set the recording interval time and the recording time or period.

CW500 Recording Setting

Power supply from measuring line

Power (under 240 VAC) can be supplied by using the power supply adapter  (sold separately).

CW500 Example Diagram Of Power Supply

Note: This is not available for EV region.

Leakage current measuring

The external magnetic field effect is 0.002 A or less, at 400 A/.

Yokogawa¡¯s proprietary technology has achieved a magnetic field impact amount of 30 ppm even in adjacent power lines (at 100 A). 

Below is an example of how to measure a neutral line of 3 phase 4 line.

CW500 Leakage Current Measuring

Multiple line measuring

4 system load measuring

Maximum of 4 systems are capable for 1 phase 2 line wiring.

Maximum of 2 systems are capable for 1 phase 3 line or 3 phase 3 line wiring.