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VAF – Operational Manual
U
M
SER'S
ANUAL
VAF
POWER METER
This document contains the latest technical information about VAF which is a micro-
controller based Power Meter. The unit is tested against the latest "MTE" Standard
Model PRS400.3 having basic accuracy of 0.02% that is traceable upto International
Standards derived using appropriate ratio techniques.
The product, VAF is sophisticated electronic equipment and, the user is advised to
read this User's Manual carefully before attempting to install or operate the
equipment.
Published on: (mention the date of publishing)
Document Version: 1.0
TRINITY
[1]
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Summary of Contents for Trinity VAF
- Page 1 ANUAL POWER METER This document contains the latest technical information about VAF which is a micro- controller based Power Meter. The unit is tested against the latest "MTE" Standard Model PRS400.3 having basic accuracy of 0.02% that is traceable upto International Standards derived using appropriate ratio techniques.
- Page 2 In the event, the remedies above fail, Trinity’s entire liability shall be limited to a refund of the price paid for the Trinity product covered by this limited warranty. Except as provided in this written warranty, neither Trinity Energy Systems Pvt.
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Page 3: Table Of Contents
VAF – Operational Manual Contents Introduction ........................ 4 The Main Features Available in This Model ............. 4 Technical Specification ..................... 5 Technical Specification ..................... 5 Installation and Commissioning ................6 3P4W Mode Installation ..................6 ... -
Page 4: Introduction
VAF is a microcontroller based power meter which measures basic parameters and displays on a red seven segment. VAF is a host of low cost, easy to use individually that offers for the basic measurement capabilities required to monitor electricity over and above basic metering. -
Page 5: Technical Specification
VAF – Operational Manual Technical Specification PARAMETERS & STATISTICS OPTIONS Volts R-N Direct Voltage Input : Up to 300V L-N Burden : 0.5VA Volts Y-N Secondary Voltage Input : 63.5V* Volts B-N Volts RY Direct Voltage Input : Up to 500V L-L... -
Page 6: Installation And Commissioning
VAF – Operational Manual Installation and Commissioning The unit can be used only for 3P4W and 1P2W or 3P3W according to user’s requirement for an electrical installation. 3P4W Mode Installation To install and commission for 3P4W, proceed the following instructions: 1. -
Page 7: 1P2W Mode Installation
VAF – Operational Manual will come alive in order to display such as CT-Ratio, Installation type and enter into Run Mode respectively. 7. Firstly, user should program the settable parameters, CT-Primary and Installation type. (Refer Operational Details in the next section). -
Page 8: 3P3W Mode Of Installation
VAF – Operational Manual 3P3W Mode of Installation To install and commission for 3P3W, proceed the following instructions: 1. Push the unit into the panel and mount using the clamps provided on it. 2. Connect the auxiliary supply (80V AC to 270V AC) to the terminals marked P and N. -
Page 9: Connection Scheme
VAF – Operational Manual Connection Scheme TRINITY... -
Page 10: Operational Details
VAF – Operational Manual Operational Details The Power Meter, VAF is a versatile meter, with all the features needed to implement for a robust electrical load management system. It can be configured to monitor electrical parameters, and is also achieved by making field programmable parameters. -
Page 11: Selecting Installation Type
VAF – Operational Manual 2. As soon as the unit enters into the above display, stop pressing the key. Now, set CT-Ratio by pressing key again till your desired value is received. 3. If your setting is completed, stop pressing the key. The unit will therefore return into Run Mode after 9 to 10 seconds. -
Page 12: Run Mode
VAF – Operational Manual Run Mode In the Run Mode, the various parameters calculated by the VAF are displayed on different pages along with three lines of 0.4” Red Seven Segment. The Run Mode displays will autoscroll by default and can also be stayed for each page by pressing key. - Page 13 VAF – Operational Manual Page 3 The LED indicator glows on current (i.e., A) which shows the three phase currents on first row, second row and third row. Page 4 The LED indicator glows on VPP, A and Hz which indicate that first row, second row and third row are showing for average voltage in phase to phase, average current and frequency respectively.
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Page 14: Resetting The Run Time
VAF – Operational Manual Page 5 The display shows the Run Time of the unit along with the format of hours and minutes (i.e., hhhhhh.mm). Resetting the Run Time The Run Time of the unit can be reset. In Run Mode, press key continuously for about 1 minute to reset the Run Time. -
Page 15: Ordering Options
VAF – Operational Manual Ordering Options VAF can be ordered with the following options according to user’s requirements. Power Meter Technical Specification Options 3P4W and 1P2W installation Installation 3P3W installation 11 KV/110V PT-Ratio 22 KV/110V 33KV/110V 66KV/110V CT secondary (Current) - Page 16 VAF – Operational Manual P.O No. : ………………………………………………………………… Customer : ………………………………………………………………… Sr. No. : ………………………………………………………………… Routine function tests conducted relevant standards Specifications/Literature/O & M Manual. Traceability: tested against "MTE" Standard Model PRS400.3 having basic accuracy of 0.02%, traceable upto International Standards derived using appropriate ratio techniques.
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