Section [26 09 13 31 00] [16290]


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    SECTION [26 09 13 31 00] [16290]

    ELECTRICAL POWER MONITORING AND CONTROL

  1. GENERAL

    1. SCOPE

      1. This section defines low voltage power metering for use in AC systems. These low voltage power meters may be applied on systems rated 480 V or less without PT’s or on higher voltage systems with PT’s.

    2. RELATED DOCUMENTS

      1. Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 1 Specification Sections, apply to this Section.

      2. [Related Sections include the following:

        1. Section [26 09 26.03] [16145] – Lighting Control Devices

        2. Section [26 23 00] [16430] – Low Voltage Switchgear

        3. Section [26 24 13] [16441] – Switchboard

        4. Section [26 24 16] [16442] – Panelboards

        5. Section [26 24 19] [16443] – Motor Control Centers]

    3. SUBMITTALS

      1. Submit shop drawings and product data for approval and final documentation in the quantities listed according to the Conditions of the Contract. Customer name, customer location and customer order number shall identify all transmittals.

      2. [Final Documents: Record documentation to include wiring diagrams, [certified test reports,] instruction and installation manuals.]

    4. RELATED STANDARDS

      1. Meet the following recognized standards for application in hardened environments:

        1. Device must meet all international standards for Safety and Construction applicable to this type of device:

          1. ANSI C12.16, 1% Revenue requirements

          2. IEC 62053-22/23 accuracy certified samples at over 64 samples per cycle

        2. The meter shall also meet the followings standard compliances:

          1. UL, CSA and CE Approvals:

            1. UL 61010-1, 2nd Ed.

            2. CAN/CSA-C22.2 NO. 61010-1, 2nd Ed.

            3. CE approved.

          2. Class 1 acc. to IEC62053-22.

        3. The meter shall meet the following Safety / Construction Standards:

          1. IEC1010-1 (EN61010-1): Safety Requirements for Electrical Equipment, Control and Laboratory Use.

          2. CAN/CSA C22.2 No. 61010-1-04, 2nd Ed.: Safety requirements of Canadian Standard Association.

    5. QUALITY ASSURANCE.

      1. Manufacturer Qualifications: Manufacturer of this equipment shall have a minimum of 5 years experience producing similar electrical equipment.

        1. Comply with requirements of latest revisions of applicable industry standards.

    6. DELIVERY, STORAGE AND HANDLING

      1. Store and handle in strict compliance with manufacturer’s instructions and recommendations. Protect from potential damage from weather and construction operations. If the meters are installed in equipment, store the equipment so condensation will not form on or in it. If necessary, apply temporary heat where required to obtain suitable service conditions.

  2. PRODUCTS

    1. MANUFACTURERS

      1. [The low voltage power meter shall be type SENTRON PAC3100 by Siemens Industry Inc. or pre-approved equal. Approved manufacturers are as follows:

        1. Siemens (ACCESS)

        2. .]

    2. COMPONENTS

      1. Revenue accurate multifunction power meter.

        1. Provide a high accuracy power meter meeting the requirements set forth in this specification. Note any exceptions taken with a detailed description.

          1. Meter shall be Siemens Type SENTRON PAC3100 Power Meter with options and features described in this section.

        2. The meter shall have at least the following features:

          1. Current inputs: The meter shall accept three 5A nominal current inputs. The current inputs are capable of measuring up to 5A RMS (300V RMS maximum voltage). All current inputs provide:

            1. Dielectric withstand of 3000Vrms 47-63 Hz for 1 minute.

            2. Surge protection of 120 A RMS for 1 second, non-recurring.

          2. The meter shall have three voltage inputs (V1, V2 and V3). The voltage inputs can measure from 0 to 480 Vrms (line-to-line).

          3. The meter shall have provisions for direct connection (require no PTs) for Wye (Star) systems up to 277 VAC (line-to-neutral). All voltage inputs provide:

            1. Dielectric withstand of 3250 VAC RMS, 60 Hz for 1 minute.

            2. Overload protection of 1500 VAC RMS continuous.

          4. Power supply:

            1. [100 - 240 VAC (±10%), 50 to 60 Hz]

            2. [110 – 250V DC (±10%)]

          5. Typical burden is 6 VA, maximum burden is 8 VA. Dielectric withstand is 2000 VAC RMS, 60 Hz for 1 minute.

          6. Operating frequency: 45 to 64 Hz.

          7. Standard Communications port shall be a Modbus RS485 as standard.

          8. The meter shall support broadcast messages from a host computer system.

          9. Inputs/Outputs: The meter shall have:

            1. Two Wet Digital Inputs – rated at 24 VDC / 0.7mA

            2. Two Wet Digital Outputs – rated 0-30 VDC, 0-10mA

          10. A universal counter shall be designed into the meter to count pulses coming into the digital inputs for measuring variables such as Water, Gas, Air, etc.

          11. Sample Rate shall be at least 64 samples per cycle.

          12. Meter shall support multiple languages including English, German, French, Spanish, Italian, Portuguese, Turkish, Chinese and Russian.

          13. Meter design shall be:

            1. A background-illuminated graphic LCD sized 128 x 96 pixel resolution..

            2. An overview size of 3.78”L x 3.78”W (96 x 96mm) and a depth of 2.00” (51mm), with an optional module added the depth shall be 2.87” (73mm).

    3. OVERVIEW

      1. The meter shall be able to be upgraded in the field without removing the meter.

      2. The meter shall measure the following variables as standard without optional plug in modules or optional cards:

        1. Basic Measurements

          1. Voltage (l-n) per phase, Voltage (l-l) per phase, Voltage (l-l) average, Voltage (l-n) average, Current per phase, Current average total, Active Power (kW) per phase and total, Apparent Power (kVa) per phase and total, Reactive Power (kVAR) per phase and total.

        2. Advanced Measurements (Included)

          1. Total Power factor, frequency, total active power demand import/export, Min/Max Values

          2. Voltage (l-n) per phase, Voltage (l-l) per phase, Average Voltage (l-l) and (l-n) total; Current per phase, Active Power (kW) per phase and total, Apparent Power (kVa) per phase and total, Reactive Power (kVAR) per phase and total, total Power factor, Frequency.

        3. Energy Measurements

          1. Active Energy (kWh) import/export/net, Reactive energy (kVARh) import/export/net, Peak power demand (kW), Current demand, Peak current demand, Neutral current, Reactive power (kVAR) peak demand, Apparent power (kVA) peak demand.

      3. The meter shall calculate the following information for any reading at 1-second intervals:

        1. Sliding window demands for any parameter with user-programmable length of demand period.

        2. Number of sub-periods to match local utility billing method.

      4. The meter shall display “actual” readings on the display. No manual calculation shall be required to obtain actual readings. Multiply by 0.3 on the display shall not be allowed.

      5. The meter shall display all measured parameters on the front display. Simultaneous access to all parameters is available through the communications port.

      6. Standard logic functionality shall be available in the meter for setting up custom alarms that can be sent out via the digital output or through the communications port.

      7. The meters shall be field programmable as follows:

        1. Basic parameters: Voltage input scale, voltage mode (Wye, Delta, single phase), current input scale, auxiliary input and output scales and communications setup parameters are programmable from the front panel.

        2. All basic parameters described above may be programmed via the communications port using a portable or remotely located computer terminal.

        3. Provisions must be made to ensure that programming through a computer can be secured by user ID and password.

        4. Provisions must be made to ensure that programming through the front panel is secured by password.

      8. The meter shall include flash memory to store in non-volatile memory the following:

        1. All setup data

        2. Accumulated energy and demand data.

    4. DESIGN [Select either 2.4.A.1 or 2.4.A.2. For 2.4.A.2, select a, b, c, d, e, f or g]

      1. The SENTRON PAC3100 meter shall be available in the following unit design configurations:

        1. [One-piece design that fits into an 96mmx96mm cutout.]

        2. Din Rail Mountable Version

        3. [Multi Meter Pack Enclosure (NEMA 1) with the following sizes:

          1. [One meter]

          2. [Up to Two meters]

          3. [Up to Four meters]

          4. [Up to Six meters]

          5. [Up to Eight meters]

          6. [Up to Ten meters]

          7. [Up to Twelve meters] ]

  3. EXECUTION

    1. INSTALLATION

      1. The Contractor shall furnish, install and terminate all communication conductors and associated conduits external to any factory supplied equipment.

      2. All of the communication conductor wiring and routing shall be per the manufacturer's recommendations and as shown on the contract drawings.

      3. Additional connections to metering systems, where applicable, shall be done in the field by [the manufacturer’s start-up service group] [the installing contractor].

    2. ADJUSTING AND CLEANING

      1. The meters shall be adjusted so that accurate readings appear on the front of the meter and that the readings are within the meters accuracy range.

      2. Clean exposed surfaces using manufacturer recommended materials and methods.

    3. TESTING

      1. Perform factory and installation tests in accordance with applicable NEC, NEMA and UL requirements.

    4. WARRANTY

      1. Equipment manufacturer warrants that all goods supplied are free of non-conformities in workmanship and materials for one year from date of initial operation, but not more than eighteen months from date of shipment.

    END OF SECTION



March 7, 2019 [Project Name]

Electrical Power Monitoring & Control [26 09 13 31 00] [16290] -

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