Advanced Power and Energy Meters Technical Requirements

This article is about general and technical requirements for Advanced Power and Energy Meters used in Integrated Automation System or Building Automation System.

Advanced Power and Energy Meters Technical Requirements

<This section defines the requirements for the advanced power and energy meters. Do not include this section if metering is not within the scope of the proect.  the details provided must be verified and modified as required to meet the requirements of the project. do not use any of the information within this section without verifying its relevance to the project design>

• GENERAL

  • RELATED DOCUMENTS

    1. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.
    2. Specifications throughout all Divisions of the Project Manual are directly applicable to this Section, and this Section is directly applicable to them

  • SUMMARY

    1. Contractor shall supply and install the components listed in this section and those identified on the project drawings in adequate quantities and in calibrated locates as required to meet the design / performance intent as they pertain to the IAS.
    2. This Section includes metering equipment used to monitor electrical energy usage.
    3. <Many options exist for third party applications and utility monitoring programs. If the site utilizes an existing system or server the connectivity requirements should be defined in this and the following section, D and E>
    4. The meter shall be designed specifically for use with the Facility Management and Control System for: monitoring applications, renewable energy systems bidirectional metering, and revenue metering of multi-phase electrical circuits, with built-in multiple communications protocol options. It is anticipated that information will flow from building instrumentation and meters to a local EMCS controller, NC, PICU, PPCU or AUC and then to a local <EMCS server or IAS Server>. From that point, information shall be communicated to a <central or local utility monitoring server/application>. All meter data flow shall minimally comply with ANSI C12.20 accuracy standard.
    5. The Metering Contractor in coordination with the <client> shall identify the best technical and cost effective option of transmitting this data. The meter data transmitted to the <client> may require SQL format to be determined by <client IT> and/or by <current contractor>, who will be responsible for all metering interfaces between <regional servers and the central server>. The IAS Contractor shall be responsible for contracting with <current contractor> to configure the communications and import the data from energy meters to the <central server>.
    6. <The Metering Contractor (EMCS) may be independent of the IAS Contractor. It is important to define responsibilities and coordinate the activities of each contractor. Research the communication, format and use of the metered data within the metering system, including interaction with the energy management software. Provide clear direction within this section regarding the sharing of data between the EMCS and the IAS contractors.>

  • REFERENCE STANDARDS

    1. The latest published edition of a reference shall be applicable to this Project unless identified by a specific edition date.
    2. All reference amendments adopted prior to the effective date of this Contract shall be applicable to this Project.
    3. All materials, installation and workmanship shall comply with the applicable requirements and standards addressed within all references.
    4. Products not currently offering the following approvals are not acceptable.
       1. UL Approved: UL 61010-1
       2. CE Compliant
       3. IEC: 61010-1: 2012, 3^rd Edition
       4. FCC Compliant
       5. ANSI: C12.20 National Accuracy Standard (± 0.2% from 1% to 100% rated load)
       6. LonMark Certified
       7. BACnet Testing Laboratories
• WORK BY OTHERS <the following discussion is recommended to delineate responsibilities between electrical and IAS contractors. Confirm the following responsibilities and their application to this project>
  26. Power Wiring shall be furnished and installed under Division 26. Division 26 Contractor shall extend power wiring to the electric meter. IAS contractor shall connect the electric meter to the control system.

• Submittals

  1. Product Data: For each type of advanced power and energy meter specified and furnished under this contract, submit manufacturer product data on each component, device, accessory and communication module.
  2. Operating and Maintenance Manuals <Coordinate with Section 25 60 00>: Submit the following data for owner’s Operating and Maintenance manuals:
     1. Condensed description of how the meters operate
     2. An electronic copy of the manufacturer’s cut sheet or product brochure
     3. Set-up and commissioning procedures
     4. Block diagrams for equipment showing interconnections between components and interfacing to existing equipment. Include the specific location of all devices such as room number, or name and floor.
     5. Wiring diagrams for equipment to be installed showing detailed connections between system components
     6. Troubleshooting information
  3. Warranties: Special warranties specified in this Section.

• Quality assurance

  1. Each existing utility meter shall be identified by model and size. Each new meter shall be specified by salient characteristics, as previously noted, and shall include field installation drawings and instructions
  2. Source Limitations: Obtain advanced power and energy meters and accessories through one source from a single manufacturer using commercial off-the-shelf products. <Identify existing or specific manufacturer(s) if required or recommended>
  3. Product Options: Drawings indicate size, dimensional requirements, and electrical performance of meters and are based on the specific system indicated. <Coordinate with drawings or remove reference> Other manufacturers’ products complying with requirements may be considered.  Refer to Division 1 Section “Substitutions”. <Coordinate with Division 1>
  4. Electrical Components, Devices, and Accessories: Listed and labeled as defined in NFPA 70, Article 100, by a testing agency acceptable to authorities having jurisdiction, and marked for intended use.
  5. Standard Products: Provide materials and equipment that are products of manufacturers regularly engaged in the production of such products which are of equal material, design and workmanship.  Products shall have been in satisfactory commercial or industrial use for 2 years prior to bid opening.
  6. Manufacturer Qualifications: Maintain, within 50 miles of project site, an authorized product distributor capable of providing parts and support.
  7. Source Limitations: Obtain meters of a single type through one source from a single manufacturer.

• Project conditions

  1. Existing Utilities: Do not interrupt utilities serving facilities occupied by Owner or others unless permitted under the following conditions and then only after arranging to provide temporary utility services according to requirements indicated:
     1. Notify <Architect, Engineer, owner, or owner’s representative> not less than <two or more> days in advance of proposed utility interruptions.
     2. Do not proceed with utility interruptions without <Architect’s, Engineer’s, owner’s, or owner’s representative’s> written permission.
  2. Service Conditions: Rate meters and meter protection devices for continuous operation under the following conditions, unless otherwise indicated: <Verify the following conditions>
     1. Maximum Continuous Operating Voltage: Not less than 115 percent of nominal system operating voltage.
     2. Operating Temperature: 30 to 120 deg. F (0 to 50 deg. C).
     3. Humidity: 0 to 85 percent, non-condensing.
     4. Altitude: Less than 20,000 feet (6000 m) above sea level.

• Coordination

  1. Coordinate location of field-mounted advanced power and energy meters to allow adequate clearances for maintenance.
  2. Coordinate advanced power and energy meters with <Division 26 Section “Electrical Power Monitoring and Control”.>
  3. If Virtual Private Network (VPN) access to <client’s> network is provided to a Contractor these individuals shall not be given VPN access until <state requirements for VPN security process>.

• Warranty

  1. General Warranty: Special warranties specified in this Article shall not deprive Owner of other rights Owner may have under other provisions of the Contract Documents and shall be in addition to, and run concurrent with, other warranties made by Contractor under requirements of the Contract Documents.
  2. Special Warranty: Written warranty, executed by manufacturer agreeing to repair or replace components of advanced power and energy meters that fail in materials or workmanship within <four> years from date of Substantial Completion.
  3. Register all products in <client’s> name as required and provide originals of all manufacturers’ warranties to <client>.
• PRODUCTS

  • GENERAL

    1. All materials shall meet or exceed all applicable referenced standards, federal, state and local requirements, and conform to codes and ordinances of authorities having jurisdiction.
    2. All electric meters shall be electronic.

  • manufacturers

    1. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but are not limited to, the following:
       1. Basis of Design: Honeywell, EMON Class 500 Smart Meter or Din-Mon Smart Meter as applicable.
       2. Substitutions: <Not permitted>.
       3. Requests for substitutions will be considered in accordance with provisions of Section 01 60 00 – Product Requirements.
    2. All meters shall utilize the following communication protocol:
       1. <LonTalk, BACnet, MODBUS, other>

• ADVANCED POWER AND ENERGY ELECTRICAL METERS

  1. Advanced Digital Electrical meters or Panel Mounted Meters shall be <List acceptable manufacturer> or equivalent, meeting the following requirements: <Verify the following specifications, modify as required>
     • UL Approved: UL 61010-1
     • CE Compliant
     • IEC: 61010-1: 2012, 3^rd Edition
     • FCC Compliant
     • ANSI: C12.20 National Accuracy Standard (± 0.2% from 1% to 100% rated load)
     • LonMark Certified
     • BACnet Testing Laboratories
     • Capability to measure and record 15 minute interval data.
     • Capable of monitoring of: phase voltages, phase currents, power consumption, power factor, harmonics, power quality and kVAR.
     • Multiple inputs capable of measuring electricity, water, gas and/or steam consumption simultaneously. The inputs shall be pulse, 0-10 Vdc, or 4-20mA.
  2. The meter shall be field programmable for meter Date /Time, IP Address, ID Code for communications protocols through an interface with configuration software capable with Windows 10, 2000 or XP or configurable using an integrated keypad or Niagara N4 Framework™, JAR file shall be unrestricted for use with any Tridium Niagara N4 workbench tool.
  3. The meter shall provide, at a minimum, a direct-read 8-digit LCD Display (without keypad) of cumulative KWh or an integrated keypad and LCD display for user interface.
     • The meter LCD display (without keypad) shall provide current sensor installation diagnostics indicator, phase error indicator, and phase angle diagnostics on the display.
     • If provided, the integrated keypad and LCD Display shall collect and present monitored values with seven display screens:
       • Total Kilowatt-Hours Delivered (KWh)
       • Peak Demand (KW) with Date & Time Stamp
       • Actual Load (KW) with Present Time
       • Average Current (amps) per Phase
       • Average Voltage (volts) per Phase
       • Average Voltage (volts) Phase to Phase
       • Power Factor (pf) per Phase
     • System Performance Monitor: The integrated keypad and LCD Display shall collect and present operational data:
       • Current sensor diagnostics indicator.
       • Phase error diagnostics indicator.
       • Phase angle diagnostics indicator.
     • The meter shall be provided split-core sensors, UL rated for Measurement Category III, for service up to 800 amps or 3200 amps as applicable (sensor mounting distance not to exceed 500 feet from meter).
     • Local EMCS controllers and local EMCS servers connected to meters with intent to communicate with utility or curtailment service provider programs such as Demand Response shall comply and be certified with ANSI C12.20 accuracy standard. <The EMCS or Metering contractor may be independent of the IAS contractor. It is important to coordinate responsibilities between contractors, including system accuracy.>
     • Miscellaneous
       1. Within one year after acceptance of Work, verify operation and recalibrate each meter in accordance with the manufacturer’s written instructions.
       2. Installation contractor shall provide <four (4)> hours of on-site training at one central location for designated personnel. This training will cover the operation and maintenance of the electrical meters.
       3. The installation contractor shall affix labels to each meter, using a labeling nomenclature supplied by the Owner’s Representative. Label information shall correspond to meters indicated on the block diagram.

• EXECUTION

  • PREPARATION

    1. Examine areas and conditions under which control systems are to be installed. Do not proceed with work until unsatisfactory conditions have been corrected in manner acceptable to Owner.
  • INSTALLATION OF advanced power meters <Modify as required to match project design>
    1. Install all meters in accordance with the manufacturer’s written instructions.
    2. Electrical installations shall conform to <IEEE C2, NFPA, other> and local code authority requirements.
    3. Install devices in locations as noted on the drawings. <Coordinate with drawings> If after inspection of field conditions, the location is not clear or obvious, notify the <Architect, Engineer, Owner>.
    4. Install devices for switchgear, panel boards and auxiliary panels in a suitable location.
    5. Coordinate all work in live panel boards and switchgear with the <property manager>. Do not shut down power unless prior authorization from <property management> has been obtained.

  • Field Quality Control

    1. Testing: Perform the following field quality-control testing: <Coordinate with Commissioning Authority or other Performance Verification Testing Procedures>
       1. Complete startup checks according to manufacturer’s written instructions.
       2. Perform each visual and mechanical inspection as follows:
          1. Compare equipment nameplate data with specification and approved shop drawing.
          2. Verify grounding of metering enclosure.
          3. Verify that the CT and PT ratios are properly included in the meter multiplier and have been so configured in the meter.
       3. Verify with a portable electrical meter that the displayed or recorded data conforms to the data as provided by the installed meter.
    2. Repair or replace malfunctioning units. Retest after repairs or replacements are made.

  • Network Communications

    1. The following communication method shall be utilized for importing logged meter or device data into the <central server> in <location> for analysis and display on the <Digital Dashboard>: <Modify the following to match project and/or system requirements>
       1. Database to Database Transfer from 3^rd Party Software: The Honeywell WEBs Niagara N4 central server at <location> will be configured to poll the <SQL or other> database associated with the software application, and load its metered data into Honeywell WEBs Niagara N4 central server. The Honeywell WEBs Niagara N4 central server will export all files into <Application> for analysis and viewing in the <Digital Dashboard>.
       2. <Application 1> operates on historic data only, as opposed to real-time data. Data is typically time stamped in 15 minute intervals. The “real-time” operational software that collects all meter data is provided <Application 2>. This system allows the presentation of real-time and historic data.
    2. Process for integrating new meters to the <existing> <Modify as required>
       1. Contact <Current Contractor> with details of proposed meters.
          1. Manufacturer and Model Number
          2. Communication Method (Ethernet)
       2. <Current Contractor> will provide a quote to perform the integration as follows:
          1. Configuration and testing of the communication link between the meters and <central server>.
          2. Configuration of <central server> to read selected historic and/or real-time parameters.
          3. Configuration of Logging.
          4. Updating the source hierarchy in the <central server> to include the new meters (sources).
          5. Configure <central server> to import data from meters.

• Software Integration <modify to match project requirements>

  1. The installation contractor shall act as the System Software Integrator (SSI) between installed devices, the <client> local communication networks (LAN) and the <client> central office servers (WAN).
  2. The intent of this work is to ensure that all system components work such that the end user is able to access central office servers to view utility usage data, graphs, trend analysis and other functions available to <client> through the <Application>.
  3. The installation contractor shall include contracting services with <Current Contractor> to configure the import of data from the meters. This Integration Scope of Work includes:
     • All component metering devices, communication devices or other pertinent hardware specified in these documents shall be compatible with the <Application>. The SSI shall perform all programming necessary for such devices to communicate seamlessly within and between <client> LAN and WAN communication networks.
     • The SSI shall work closely with <regional Information Technology staff, central office System Support Management Team and the IT Network Security Team> to ensure secure, continuous connectivity within the Advanced Metering System installation. The SSI, working within the <Application> architecture, shall develop and/or install programming that will, at a minimum allow the end user to perform the following:
       1. View usage data from each utility in 15 or 30 minute intervals over a standard 24 hour period.
       2. Translate usage data into usage graphs for each utility by hour, day, week, month and year; have the ability to select date ranges and graph selected usage.
       3. The ability to perform trend analysis of the data for each utility at each building or groups of buildings, including usage and costs by meter or groups of meters.
       4. The ability to integrate degree day and temperature data into utility data for analysis and graphing.
       5. The ability to compare and contrast utility usage between two buildings or a group of buildings on the network in graphical form.
       6. Automatically receive email reports to selected personnel. These reports shall be configured to graphically show usage on a daily, weekly, and monthly basis.
       7. <other>
     • Communication between the meters and <Application> will be configured and tested.
     • Configure Alarming to generate light load notifications and eliminate false “Utility Fail” Alarms.
     • Configure Logging of values obtained from the manufacturers’ meter.
     • <Application> Integration – Setup System Navigation, Setup User Accounts and Security levels, Provide  User Orientation.

• Training

  1. Installation contractor shall provide <four (4)> hours of on-site training at one central location. This training will cover both the operation and maintenance of the electrical meters. Engage a factory-authorized service representative to train Owner’s maintenance personnel to adjust, operate, and maintain power and energy meter devices.
     1. Train Owner’s maintenance personnel on procedures and schedules for maintaining power meters.
     2. Review data in maintenance manuals.
     3. Schedule training with Owner, <through Architect,> with at least seven days’ advance notice.