ROOTECH ACCURA 3000 User Manual
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ROOTECH ACCURA 3000 User Manual

High accuracy digital power meter
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ymbols
Caution
Indicates the presence of dangerous voltage which can cause severe injury or death
to persons if proper precautions are not followed.
Caution
Alerts users of the presence of hazards which can cause injury to persons, property
damage or damage to the device if proper precautions are not followed.
Note
Indicates major instructions for the installation, operation, and maintenance of the
product.
Indicates alternative voltage or current.
Indicates direct voltage or current.
Installation Considerations
The installation, operation, and maintenance of the product should be performed only by qualified,
competent personnel that have received appropriate training for high voltage and current devices.
◼ During normal operation of the product, hazardous voltages are present on the terminals that
connect PT/CT, digital inputs, power, and external I/O circuits. The PT/CT secondary can produce
lethal voltage or current caused by the energy of the primary.
◼ Standard safety precautions should be followed during the installation and maintenance of the
product, including removing PT fuses and shorting CT secondaries.
◼ Install the product in enclosures or a similar cabinet to prevent access to the terminal strips of
the product after wiring.
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Summary of Contents for ROOTECH ACCURA 3000

  • Page 1: Notice

    ymbols Caution Indicates the presence of dangerous voltage which can cause severe injury or death to persons if proper precautions are not followed. Caution Alerts users of the presence of hazards which can cause injury to persons, property damage or damage to the device if proper precautions are not followed. Note Indicates major instructions for the installation, operation, and maintenance of the product.

  • Page 2: Symbols

    Notice Symbols Caution Indicates the presence of dangerous voltage which can cause severe injury or death if proper precautions are not followed. Caution Alerts users of the presence of hazards which can cause injury to persons, property damage or damage to the device if proper precautions are not followed. Note Indicates major instructions for the installation, operation, and maintenance of the product.

  • Page 3: About The Manual

    About the Manual Rootech, Inc. reserves the right to make changes in the product specifications shown in this User Guide without prior notice. We recommend that customers should obtain the latest information on product specifications and the manual before making orders.
  • Page 4 Rootech will decide at its discretion whether to repair or replace it or give a refund for the product for when the warranty period for the product expired or issues related to the product are not applicable for warranty terms and conditions.
  • Page 5 Rootech shall not be liable for any other claims except the claims made by customers, including the original purchaser, his employees, agents, or contractors for any loss, damage, or expense incurred related to the purchased product when the above warranty terms and conditions are not fulfilled.
  • Page 6 Standards Compliance Process Control Equipment E324900 KCC-RTM-RTE-ACCURA3000 Page 6...
  • Page 7 Revision History The following versions of the Accura 3000 User Guide have been released. Revision # Revision date Description Revision 1.0 2006. 06. 30 Initial release Revision 1.1 2007. 07. 13 Mounting method modified Revision 1.2 2009. 11. 26 Voltage input range modified Revision 1.3...

  • Page 8: Table Of Contents

    Contents Notice.............................. 1 Symbols ............................2 Installation Considerations ........................ 2 About the Manual ..........................3 Limitation of Liability ......................... 3 Chapter 1 Introduction ........................11 Overview ............................11 Integrated Measurements of Various Electrical Parameters............11 Accurate Measurements ......................11 Proven Safety and Reliability with CE/UL Certifications ............... 11 Easy-to-Read Display Screen ....................
  • Page 9 Attaching the Cover ......................... 28 Powering Up the Meter ......................28 Chapter 3 Meter Operation/Setup ....................29 Display Mode ..........................30 Setup Mode ............................ 33 Reset Mode ............................ 34 System Mode ..........................35 Reactive Power Calculation ....................... 37 Appendix A Specifications ........................ 39 Appendix B Standard Compliance ....................
  • Page 10 Figures Fig 1.1 Front View ........................16 Fig 1.2 Rear View ........................16 Fig 1.3 Front View ........................17 Fig 1.4 Rear View ........................17 Fig 1.5 Side View ........................17 Fig 1.6 ANSI 4” ........................18 Fig 1.7 DIN96 ......................... 18 Fig 1.8 Voltage and Current Connector..................

  • Page 11: Chapter 1 Introduction

    Proven Safety and Reliability with CE/UL Certifications The internal and external structures of Accura 3000, including the design of the product and the circuit meet safety requirements for CE(IEC 61010) and UL(UL 61010-2, 2nd edition) standards. A busbar is provided with the product for easier wiring of CTs when installing the product. The busbar minimizes fire hazards by ensuring safety under an overcurrent condition.

  • Page 12: Product Features

    Product Features Measurement 64 samples/cycle, True RMS IEC 62053-22 Class 0.5S 50, 60 Hz Line to neutral voltage, line to line voltage, current Power [active, reactive], energy [active], power factor, frequency Fundamental component/true RMS of current 4 quadrant power Peak demand[current, power] Maximum/minimum value Power Supply AC 85 ~ 265V, 50/60Hz...

  • Page 13: Applications

    Thus, there is no need to create cutouts on the panel when installing Accura 3000 in the existing switchgear panels. It makes it easy to replace analog meters with digital meters.

  • Page 14: Parameter

    Measurement Parameters Parameter Real-time Average Total Maximum Minimum Phase voltage ■ ■ ■ Line to line voltage ■ ■ ■ Current ■ ■ Power Active ■ ■ Reactive ■ ■ Energy Active ■ Frequency ■ Power factor ■ Demand ■ ■...

  • Page 15: Chapter 2 Mounting

    Chapter 2 Mounting Environmental Conditions The Accura 3000 should be mounted in a dry, dirt free location away from heat sources and very high electric fields. To operate the product properly, environmental conditions as shown below should be considered. Environmental Conditions...

  • Page 16: Before Installation

    Before Installation Before installing the meter, observe the instructions in this guide and read the safety precautions presented on the “Installation Considerations” page. Caution Power up after the voltage and current wiring is completed. Product Appearance Fig 1.1 Front View Fig 1.2 Rear View Page 16...

  • Page 17: Meter Dimensions

    Meter Dimensions Fig 1.3 Front View Fig 1.4 Rear View Fig 1.5 Side View Page 17...

  • Page 18: Step 1: Panel Mounting

    Step 1: Panel Mounting Mounting the Product on the Panel Remove the connector on the bottom of the meter. Fit the meter into cutout[ANSI 4” or DIN96]. Fix the meter onto the panel by turning the mounting nut. When conforming to the DIN96 standard, there is no need to drill holes on the panel.

  • Page 19: Step 2: Voltage And Current Inputs

    Step 2: Voltage and Current Inputs Fig 1.8 Voltage and Current Connector Voltage Input Item Description Pin name Connector Terminal block Wire specification 2.1 to 3.5 mm [ 14 to 12 AWG] Rating 0 ~ 600V 3 ~ L-L[Line to line], 0 ~ 457V 3 ~ L-N[Line to neutral] Burden 0.02VA/phase @220V Impedance...

  • Page 20: Current Input

    Current Input Item Description Pin name 1S, 2S, 3S, 1L, 2L, 3L Connector Terminal block[Busbar] Wire 2.1 to 6 mm [ 14 to 10 AWG] Ratings 5A nominal/ 10A full scale 3 ~ Burden Maximum 0.005A/phase @10A Pollution degree 2, Installation Category Ⅲ Compliance CT[Current Transformer] Item...

  • Page 21: Wiring Diagram Using External Pts

    Wiring Diagram Using External PTs Caution Failure to observe the following wiring diagrams may result in severe injury or death. Be sure to use shorting blocks when connecting the meter to CT secondaries. Fig 1.9 Single Phase 2 Wire Connection(1P2U) Caution In single phase 2 wire mode, be sure to use V , 1S, 1L terminals as shown above.

  • Page 22: Fig 1.10 Three Phase 3 Wire Open Delta Connection Using 2 Cts(3P3O)

    Fig 1.10 Three Phase 3 Wire Open Delta Connection Using 2 CTs(3P3O) Caution In three phase 3 wire open delta connection mode, be sure to connect the V line to the V terminal as shown above Fig 1.11 Three Phase 3 Wire Open Delta Connection Using 3 CTs(3P3O) Caution In three phase 3 wire open delta connection mode, be sure to connect the V line to the V...

  • Page 23: Fig 1.12 Three Phase 4 Wire Connection Using 3 Pts And 3 Cts(3P4U)

    Fig 1.12 Three Phase 4 Wire Connection Using 3 PTs and 3 CTs(3P4U) Page 23...

  • Page 24: Wiring Diagram Using No Pts

    Wiring Diagram Using No PTs Caution Failure to observe the following wiring diagrams may result in severe injury or death. Be sure to use shorting block when connecting the meter to CT secondaries. Fig 1.13 Single Phase 2 Wire Direct Connection(1P2U) Caution In single phase 2 wire connection mode, be sure to use V , 1S, 1L terminals as shown above.

  • Page 25: Fig 1.14 Single Phase 3 Wire Direct Connection Using 2 Cts(1P3U)

    Fig 1.14 Single Phase 3 Wire Direct Connection Using 2 CTs(1P3U) Caution In single phase 3 wire connection mode, be sure to use V , 1S, 1L, 3S, 3L terminals as shown above. Fig 1.15 Three Phase 3 Wire Open Delta Connection (3P3O) Caution In three phase 3 wire open delta connection mode, use PTs if the line-to-line voltage exceeds 457 V and be sure to connect the V2 line to the V...

  • Page 26: Fig 1.16 Three Phase 3 Wire Open Delta Connection Using 3 Cts (3P3O)

    Fig 1.16 Three Phase 3 Wire Open Delta Connection Using 3 CTs (3P3O) Caution In three phase 3 wire open delta connection mode, use PTs if the line-to-line voltage exceeds 457 V and be sure to connect V to V as shown above.

  • Page 27: Step 3: Wiring The Power Supply And Ground Terminal

    Step 3: Wiring the Power Supply and Ground Terminal Fig 1.18 Wiring the Power Supply and Ground Terminal Power Supply Item Description Pin name PP[+/L], PN[-/N] Connector Screw terminal[Pluggable] Wire specification 1.25 to 3.5 mm [ 24 to 14 AWG] Ratings AC 85 ~ 265V, 50/60Hz ~, DC 100 ~ 300V Compliance...

  • Page 28: Step 4: Attaching The Rear Cover/Powering Up The Meter

    Step 4: Attaching the Rear Cover/Powering Up the Meter Attaching the Cover Fig 1.19 Cover Powering Up the Meter Close the PT fuses( or direct voltage input fuses). Open the CT shorting blocks. Apply power to the meter. Page 28...

  • Page 29: Chapter 3 Meter Operation/Setup

    Chapter 3 Meter Operation/Setup Each of these functions can be accomplished by pressing the VS, AS, and FS buttons on the front panel. Item Description Display mode View parameter measurements Setup mode Configures parameters Reset mode Resets energy, demand, maximum, and minimum values System mode Provides meter system information[meter option, firmware version] Note...

  • Page 30: Display Mode

    Display Mode In Display mode, you can view values from these measurement groups. Fig 2.1 Measurement Groups Measurement Group Parameters Measured FUND kW, kVAR, kWh, PF , Hz MAX, MIN x1000 LED ◼ When the “x1000” LED of Grout A is lit, multiply the displayed value by 1000 for actual value. ◼...
  • Page 31 Exit minimum in group D Third pressing for at least 2 sec Parameter display order for Group A Order Parameter LED off A phase voltage LED off B phase voltage LED off C phase voltage LED on AB line voltage LED on BC line voltage LED on...
  • Page 32 Group D[Maximum mode] parameter display order Order Group A Parameter LED off A phase maximum voltage LED off B phase maximum voltage LED off C phase maximum voltage LED on AB line maximum voltage LED on BC line maximum voltage LED on CA line maximum voltage Order...

  • Page 33: Setup Mode

    Setup Mode In Setup mode, you can set up items, such as PT/CT ratio, wiring mode, etc. Button Functions in Setup Mode Button Function Enter setup mode by pressing the VS and AS buttons at the same time. Move to the previous menu screen. Move to the next menu screen.

  • Page 34: Reset Mode

    Reset Mode In Reset Mode, you can reset Energy, Demand, and the maximum/minimum values. Button Functions in Reset Mode Button Function Enter reset mode by pressing the AS and FS buttons at the same time. Move to the previous menu screen. Move to the next menu screen.

  • Page 35: System Mode

    System Mode You can view system information, such as product number, version, demand time, frequency selection, etc. Button Functions in System Mode Button Function Enter System Mode Move to the previous menu screen. Move to the next menu screen. Enter system edit mode to configure the displayed menu value. †...
  • Page 36 Menu Items Order Menu Item Range Default Demand time 1 ~ 60 Frequency 50Hz, 60Hz Auto scroll √ √ Reactive power calculation Method 1 Method 2 Return Method √ Transmission delay time 0 ~ 50 † Demo mode √ Product serial number X.XX Hardware Version...

  • Page 37: Reactive Power Calculation

    Reactive Power Calculation Rootech supports two methods for accurate calculation of reactive power. Method 1: General Calculation Method 1 is used to obtain reactive power, and apparent power by using calculation of vector apparent power.  PF = Fig 3.2 Power Sign[according to general calculation]...
  • Page 38 Method 2: Calculation Harmonics Method 2 is used to obtain reactive power from apparent and active power, and the overall apparent power by using calculation of vector apparent power. PF = Note P can be a positive or negative value, while Q is always a negative value. Page 38...

  • Page 39: Appendix A Specifications

    Appendix A Specifications Voltage Input Rating 0 ~ 600V 3 ~ L-L, 0 ~ 457V 3 ~ L-N However, for 3P4W Open Delta connection, PTs should be used when the input rating exceeds 457V[L-L]. Calibration 60 ~ 220V[L-N] Wiring method 1P2W,1P3W,3P3W,3P4W Burden 0.02VA/phase @ 220V...

  • Page 40: Appendix B Standard Compliance

    Appendix B Standard Compliance Accuracy IEC 62053-22 Class 0.5S Safety UL61010-2, 2nd edition[IEC 61010] IEC 61326-1 [IEC 61000-4-2] Electrostatic Discharge[ESD] IEC 61326-1 [IEC 61000-4-3] EM Field IEC 61326-1 [IEC 61000-4-4] Electric Fast Transient IEC 61326-1 [IEC 61000-4-5] Surge Immunity IEC 61326-1 [IEC 61000-4-6] Conducted RF Immunity IEC 61326-1 [IEC 61000-4-8] Rated Power Frequency Magnetic Field...

  • Page 41: Appendix C Test Report

    Measurement Test IEC 62053-22, Electricity Meter Equipment: active energy for Class 0.5S Current range Power factor Class 0.2S/ 0.5S Accura 3000 0.05A < I < 0.25A ± 0.4%/ ± 1.0% ± 0.4% 0.25A < I < 10.0A ± 0.2%/ ± 0.5% ±...

  • Page 42: Reliability Test

    * Voltage: 220V, Tested percentages of harmonic-to-fundamental: 50% Current: 5A, Tested percentages of harmonic-to-fundamental: 50% Reliability Test IEC 61326, Electrical Equipment for Measurement, Control, and Laboratory Use- EMC Standard Reference Value Accura 3000 IEC 61000-4-2 Electrostatic Discharge[ESD] 4kV/8kV contact/air 12kV/20kV immunity...
  • Page 43 Page 43...
  • Page 44 3300S/3300, Accura 3500S/3500, Accura 3550S/3550, Accura 3700, Accura 5500, and Accura 7500 are trademarks of Rootech Inc. Contact us for detailed product specifications and ordering information. Information contained herein is subject to change without notice. CopyrightⓒRootech Inc. Printed In Korea...

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