Yokogawa CW500 - Power Quality Analyzer
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  • Yokogawa CW500 - Power Quality Analyzer

Yokogawa CW500 - Power Quality Analyzer

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✅ Power Measure and Logging & Power Quality Measuring

✅ Simultaneously measures 3 CH Voltage input, 4 CH current clamp-on probe input, 2 CH DCV input

✅ Displays value list or trend graph screen of Instantaneous/ Average/Maximum/Minimum of Voltage/Current/Power/Power factor/Phase Angle/Phase Advanced Capacitance Calculation and DCV input

✅ Integration Value of Active/ Reactive/Apparent Energy is each displayed by consumption and generation

✅ Demand value can be monitored by screens of present power consumption compared to aimed demand power value

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Hotline: 0911.159.019

 

Email: sales@thietbidochuyendung.com

Power Quality Analyzer

Yokogawa CW 500

Yokogawa CW500 is a portable power meter that utilizes current clamp-on probes, easy to use navigation screens and bluetooth and SD cards for communication and data logging. These features enable user-friendly power consumption and power quality measurements in the field that conform to IEC61000-4-30 Class S. This standard dictates that two measuring instruments of similar rating must measure within some percentage of each other when exposed to the same signal

Utilities and substations contain large arrays of transformers, generators and electrical distribution networks. To maintain the health and safety of such infrastucture, a reliable power quality analyzer is needed. This power quality analyzer should be capable of not only logging single to multi-phase power, but also trend and monitor anomalies in the power system such as voltage sags, swells and dips, as well as flicker, inrush current, and demand changes. The CW500 power quality monitor is perfectly suited for this task due to it.

 Ease of use

  • Quickly and easily shift between setting up the unit or viewing logged variables and waveforms
  • Supports USB and bluetooth
  • Set a predetermined record length or schedule or a start time and duration for logging data

 Varied Functionality

  • Log anything from single phase two wire to three phase four wire systems, and everything in between
  • Capture irregularities in your power system such as voltage sags,dips, swells and log them conviently to RAM or an SD card Log upto 50th orders of harmonics
  • Vector display for convenient tracking of voltage/current phase relationships

 Portability

  • Small form factor and battery inputs allow the user to take this unit anywhere, anytime
  • Use the free CW500 viewer to connect remotely to the unit to log data or view events in real-time

Application Note

 Power Measuring + Power Quality Examination

Examination of main power line quality for factory system control and assets Confirm the quality of power lines for factory system control and assets. Simultaneously measure the consumption of energy trend and consider solutions for energy saving.

Application_Yokogawa_CW500-power-line-quality-for-factory-system-control-and-asset.jpg

The CW500 not only continuously measures harmonics but it also captures malfunctions of the power line and records the occurrence time with waveforms. Simultaneously, it can measure the power and leakage current of a neutral phase. Additionally, users can confirm the condition of assets when signals are connected to the DCV input channels.

 Power Line Measuring Examination

Checking Energy Efficiency of LED lighting Verify the energy saving effects of LED lighting compared to standard incandescent lighting by performing before and after measurements

 Checking power consumption of driving pumps of a manufacturing line

Inverters were installed on many driving pumps in liquid manufacturing lines, and power consumption measurements are needed to check the before and after effects. Multiple parameters can be set and measured by the PC software. Additionally, the power line quality can also be tested to assure the new inverters can be operated safely.

 Improving power line quality of a printing factory by measuring harmonics (Printing factory)

Purpose: Investigation of the cause of constant malfunctions for printing machines. Harmonics distortion on line could be the reason? Measuring: CW500 key features Compact and easy to carry. Measures harmonics up to 50. Long term recording Result: Confirming high level harmonic contents on 5th  and 7th. Many damaging harmonics are discovered in the 5th and 7th harmonics. 5th harmonic content can damage the calculation of capacitance for improving power factor.

Improving the power factor for power efficiency The CW500 can calculate the appropriate capacitance value by setting the aimed power factor value.

 check-Harmonic-Yokogawa-CW500.png      

By setting the proper capacitance calculation and improving the power factor, users will benefit from power savings with less load current and improve the capacity of the whole power system.

Power Measuring and Logging

 Power Measuring and Logging

  • Simultaneously measures 3 CH Voltage input, 4 CH current clamp probe input, 2 CH DCV input.
  • Instantaneous/Average/Maximum/Minimum value list or trend graph screen of Voltage/ Current/Power/Power factor/Phase Angle/Phase Advanced Capacitance Calculation.
  • Integration Value of Active/ Reactive/Apparent Energy is each displayed consumption and generation.
  • Demand monitoring which displays screens of present power consumption compared to aimed demand power values

 Power Quality Measuring

Measure Temporary Malfunctions of the Power Line

  • The CW500 captures temporary malfunction phenomena of the power line that can cause malfunction or destruction of devices due to voltage swell, voltage dip, interruption, transient voltage over, and inrush current by using a high sampling rate of 24 µs and RUS calculation.
  • Event data contains the type of malfunction, occurred time or occurrence finish time, measured value and waveform of voltage and current of all channels for approx. 200 ms period.
  • This measurement method conforms to IEC standard  61000- 4-30 Class S

Measure Continuous Malfunction of the Power Line

  • Harmonics: Measure and display graphs and lists of up to the 50th  Harmonic components of voltage, current, and power for each phase and total.
  • Flicker: Measures 1-minute flicker (Pst, 1 min), short flicker, (Pst) and long flicker (Plt).
  • Unbalance rate: Displays voltage and current unbalance rate on 3 phase wiring.

 CW500Viewer (Included PC software)

  • Automatically display the graphical and report data by clicking on the file on the PC display. Manage multiple settings of the unit.
  • Measure in real-time using USB communication.

 Types of data: Integrated power data, power quality event data, main unit setting data, and screen capture data.

 Memory card and interface: SD memory card, USB communication, Bluetooth communication (available for US, Canada and Japan only)

Power Measuring Function

Power line and Input channel

3 CH Voltage, 4 CH for Current Clamp Probe. 1P2W (up to 4 systems), 1P3W (up to 2 systems), 3P3W2current (up to 2 systems), 3P3W3current, 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 2GB SD card

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

 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

Fucntion-CW500-List-Demand-Value.jpg

Graph Display of chage on specific period

Graph Display of whole demand trend

 Various Measuring Screen

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 recordin

List Display

Fucntion-Yokogawa-CW500-List-Display.png

Hems of measuring values can be selected with position

Zom Display

Fucntion-CW500-Zoom-Dislay.png 

Zoom display can be selected by 4 or 8 divisions

Trend Graph

Fucntion-CW500-Trend-Display.png 

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

Energy Display

Fucntion-Yokogawa-CW500-Energy-Display.jpg

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

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

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.

User Support Function

User Friendly

Quick Start Guide Function

  • The Quick Start Guide Function supports correct wiring and setting before measuring.
  • The Quick Start Guide Function automatically recognizes the type of current clamp probe.

Vector Display

  • The Vector Display indicates Voltage and Current phase difference and values between input channels of voltage and current.
  • The Vector Display checks whether the wiring is correct or not

  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

Fucntion-CW500-start-of-guidance.jpg

PUSH the “START/STOP” key. Select “Quick start guide”. Select recording item.

 Wiring

Fucntion-CW500-Wiring.jpg

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

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

 Recording setting

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

 Power supply from measuring line

Fucntion-CW500-power-line-adapter.jpg

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

 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.

 Multiple line measuring

Maximum of 4 systems is capable for 1 phase 2 line Maximum of 2 systems is capable for 1 phase 3 line or 3 phase 3 line.

Technical Datasheet

Specification | Brochure | Manual Instruction

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[Brochure Yokogawa CW500]      [Instruction Manual CW500]   

Thiết Bị Đo Chuyên Dụng | Professional Measuring Instruments ™ | [www.thietbidochuyendung.com]

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