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Summary of Contents for NRG Systems Hybrid XT
- Page 1 Product Manual Hybrid XT Anemometer Authors: Technical Services HybridXT_Anemometer_Manual Rev. 15...
- Page 2 NRG Product Manual Hybrid XT Anemometer Specifications are subject to change without notice. © NRG Systems 110 Riggs Road Hinesburg VT 05461 Tel: 802-482-2255 email: sales@nrgsystems.com HybridXT_Anemometer_Manual support@nrgsystems.com | Page 2 Rev. 15 02 January 2020...
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Page 3: Table Of Contents
CUSTOMER SUPPORT ......................4 INTRODUCTION ........................5 Using This Manual ......................5 ANEMOMETER OPERATION AND CONSIDERATIONS ..............6 Hybrid XT Anemometer Types ..................6 Heater Operation ......................8 ESD and Circuit Protection ....................9 Cable Shielding - Important ..................... 9 Magnet Safety ....................... -
Page 4: Customer Support
Hybrid XT Anemometer CUSTOMER SUPPORT NRG Systems offers a variety of support options to help you get the most from your NRG products. If you have questions about your NRG Systems product, first look in the product documentation, FAQs and instructional tools contained in the Product Support section of the NRG Systems website. -
Page 5: Introduction
The Hybrid XT is rugged enough to accurately measure wind speed in excess of 70m/s (156 mph), yet its relatively low moment of inertia permits it to respond rapidly to gusts and lulls. It is built with corrosion resistant materials and finishes, and is sealed against wind-driven rain and dust. -
Page 6: Anemometer Operation And Considerations
NRG Product Manual Hybrid XT Anemometer ANEMOMETER OPERATION AND CONSIDERATIONS The HXT anemometer is available with a variety of output signal types including variable frequency and 4-20mA, among others. Hybrid XT Anemometer Types Sensor Output Meas. Scaling Notes Part #... - Page 7 NRG Product Manual Hybrid XT Anemometer Frequency/Push-Pull Output | HXT Anemometer Models #4718 | #7901 | #9387 This output type provides a square wave output signal with a frequency proportional to the head rotation rate (wind speed). The square wave amplitude is determined by the power supply voltage.
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Page 8: Heater Operation
NRG Product Manual Hybrid XT Anemometer Heater Operation The heat source for the HXT is a self-regulating, constant-temperature heater. Constant heating prevents condensation and corrosion and maintains proper bearing temperature for consistent performance and transfer function. In severe wind and icing conditions, the HXT draws more power to help remain clear of ice. -
Page 9: Esd And Circuit Protection
NRG Product Manual Hybrid XT Anemometer ESD and Circuit Protection The HXT sensor has been designed to withstand most common wiring errors and electrostatic discharge. These include reversed polarity on the power supply inputs, applying power to or shorting the signal output lines, and electrostatic discharge on any line. -
Page 10: Magnet Safety
NRG Product Manual Hybrid XT Anemometer Magnet Safety The HXT sensors, particularly the vane version, contain small, but powerful neodymium iron boron magnets. These magnets are strong enough to magnetize tools, erase magnetic media (floppy disks and credit cards), damage CRT’s (computer monitors and TV’s), pinch fingers, etc. They can also shatter if allowed to snap together, causing eye damage. -
Page 11: Cable Compatibility Tables
NRG Product Manual Hybrid XT Anemometer CABLE COMPATIBILITY TABLES There have been several different versions of the Hybrid cable assembly since inception to accommodate various sensor and turbine configurations. Please see the tables below to verify cable compatibility. Hybrid/HXT Sensor Cables... - Page 12 NRG Product Manual Hybrid XT Anemometer HXT Sensor-to-Cable Compatibility Sensor Part Sensor Type | Compatible Cable Notes Number Output Type Part Numbers 4715 HXT Vane | 4716, 4717, 8797, Any cable may be used Digital Frequency 9234, 9319...
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Page 13: Hxt Sensor Installation
NRG Product Manual Hybrid XT Anemometer HXT SENSOR INSTALLATION Mounting Mast Orientation Refer to the technical drawing for details on mounting mast design. Orient the cross-holes in the top of the mounting mast such that they are lined up parallel to the turbine nacelle centerline. -
Page 14: Mount Connector
NRG Product Manual Hybrid XT Anemometer Mount Connector Remove the nut, washer, and bolt from the connector. Feed the cable through the mounting mast until the connector reaches the mast. Align the bolt hole in the connecter with the holes in the mounting mast such that the “TOWARD ROTOR”... - Page 15 NRG Product Manual Hybrid XT Anemometer Be sure that the connector is snug against the top of the mounting mast and that the washer is on the bolt (compression of the rubber washer may be necessary) then pass the bolt though the mast and connector.
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Page 16: Connect Cable To Controller
NRG Product Manual Hybrid XT Anemometer Connect Cable to Controller Route the sensor cable into the nacelle and to its connection point. It may be helpful to label the end of each wire before pulling the cable to its connection point. Following the color code, connect the sensor wires and shield wire to the turbine controller and heater power supply. -
Page 17: Mount Sensor
Tighten the bolt using a 10 mm wrench “THIS SIDE TOWARD to 7 N-m (5 ft-lbs). ROTOR” Slide sensor down over mast. Replacement washers, nuts and bolts can be ordered from NRG Systems (part #4422). HybridXT_Anemometer_Manual support@nrgsystems.com | Page 17 Rev. 15 02 January 2020... -
Page 18: Grounding And Bonding For Over-Voltage Protection
NRG Product Manual Hybrid XT Anemometer GROUNDING AND BONDING FOR OVER-VOLTAGE PROTECTION Introduction The purpose of this section is to outline the recommended practices for wiring, grounding, and bonding of HXT turbine control sensors. The goal is to provide the best possible protection against direct and indirect lightning damage for both the sensor and the interconnected turbine systems. - Page 19 LEMP. However, see note 6 about preventing ground loops. NRG Systems supplied cables provide a shield at the sensor end. If your LPS design does not use this shield drain, trim it off to prevent short circuits.
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Page 20: Sensor Wiring Diagram
NRG Product Manual Hybrid XT Anemometer Sensor Wiring Diagram The HXT turbine control sensor’s enclosure is metal, which provides an overall EMI shield for the internal components of the sensor. The sensor includes internal over-voltage protection (OVP) components. For these features to be effective, the sensor must be installed and connected properly. The figure below shows the internal connection details of the sensor bonding and OVP. -
Page 21: Warranty
Hybrid XT Anemometer WARRANTY NRG Systems (NRG) warrants its products for a period of two years from date of original purchase solely for the benefit of the original consumer purchaser. If this product is determined to be defective in materials or workmanship, NRG will, at NRG’s option, repair or replace this product without charge. -
Page 22: Declaration Of Conformity
NRG Product Manual Hybrid XT Anemometer DECLARATION OF CONFORMITY HybridXT_Anemometer_Manual support@nrgsystems.com | Page 22 Rev. 15 02 January 2020... - Page 23 NRG Product Manual Hybrid XT Anemometer HybridXT_Anemometer_Manual support@nrgsystems.com | Page 23 Rev. 15 02 January 2020...
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Page 24: Appendix A | Technical Drawing
NRG Product Manual Hybrid XT Anemometer APPENDIX A | TECHNICAL DRAWING HybridXT_Anemometer_Manual support@nrgsystems.com | Page 24 Rev. 15 02 January 2020...
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