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NRG Product Manual

Hybrid XT Anemometer

HybridXT_Anemometer_Manual
Rev. 15

[email protected] | Page 2

02 January 2020

Specifications are subject to change without notice.

110 Riggs Road

Hinesburg VT 05461

Tel: 802-482-2255

email:

[email protected]

Summary of Contents for HXT

Page 1: ...NRG Product Manual Hybrid XT Anemometer Authors Technical Services HybridXT_Anemometer_Manual Rev 15 ...

Page 2: ...nemometer HybridXT_Anemometer_Manual Rev 15 support nrgsystems com Page 2 02 January 2020 Specifications are subject to change without notice NRG Systems 110 Riggs Road Hinesburg VT 05461 Tel 802 482 2255 email sales nrgsystems com ...

Page 3: ...8 ESD and Circuit Protection 9 Cable Shielding Important 9 Magnet Safety 10 Transport and Handling 10 CABLE COMPATIBILITY TABLES 11 HXT SENSOR INSTALLATION 13 Mounting Mast Orientation 13 Prepare Shield 13 Mount Connector 14 Connect Cable to Controller 16 Mount Sensor 17 GROUNDING AND BONDING FOR OVER VOLTAGE PROTECTION 18 Introduction 18 Recommended Practices 18 Sensor Wiring Diagram 20 WARRANTY ...

Page 4: ...he appropriate product documentation at hand and be prepared to give the following information Customer name Who purchased equipment Item number or description Serial number When equipment was purchased Where equipment is installed terrain conditions Description of the problem with some detail What events took place leading up to the problem What you have tried while attempting to solve the proble...

Page 5: ...ermits 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 The Hybrid XT sensor line has a captive mounting system with integral connector that allows quick and easy changing of the sensor There are only three internal components electronics module heater assembly and bearing assembly for ease of maint...

Page 6: ...200 Ω minimum 5763 mA 0 50 m s 4 20 mA Linear mA scaling 4 mA sensor fault Standard 4 20 mA current loop 0 1 m s resolution Recommended load resistance 50 Ω 1000 Ω 7901 Frequency Hz 0 60 m s 0 117 Hz m s 0 509 Hz 0 4 High level square wave output Compatible with PNP NPN inputs Amplitude equals supply voltage Output scaling matches NRG IceFree3 anemometer Recommended load resistance 1200 Ω minimum ...

Page 7: ...output signal sourced by the sensor The output range of 4 to 20 mA corresponds to a specific wind speed range depending on the model of anemometer Under normal operation the output signal current varies from 4 to 20 mA A signal outside this range indicates a fault condition The most likely causes would be a loss of power a wiring problem or a failed sensor The HXT 4 20 mA signal output has been en...

Page 8: ...mbustible materials The HXT s heater is powered by 24 volt power AC or DC making it compatible with a wide range of turbine controller power supplies and remote site equipment An optional 120 240 V to 24 V AC transformer is also available Following a brief inrush current after approximately 30 seconds the heater settles into its temperature controlled mode Use a 15A slow blow fuse be placed in lin...

Page 9: ...the overall design of the lightning protection and grounding system for each turbine design We recommend that the shield always be connected at the controller end of the cable This provides shielding against capacitively electrostatically coupled interference to the sensor signal If the shield can be connected to ground at the sensor boom as well the shield can also provide protection against indu...

Page 10: ...n death Do not allow unskilled persons to disassemble these sensors Do not remove the magnets from their respective assemblies Head Assembly and Shaft Assembly Keep small magnets and small pieces containing magnets away from young children who might mistakenly or intentionally swallow them Seek immediate medical attention if you suspect a child may have swallowed a magnet Transport and Handling Th...

Page 11: ...ription Notes 4716 Assembly Cable 600V 10m Connector Power Signal WithMountingBolt Hybrid TCS 10 m length 5 pin cable Green Tag 4717 Assembly Cable 600V 20m Connector Power Signal WithMountingBolt Hybrid TCS 20 m length 5 pin cable Green Tag 8797 Assembly Cable 600V 12m 6 Pin Connector Power Signal WithMountingBolt Hybrid TCS 12 m length 6 pin cable Red Tag 9234 Assembly Cable 300V 10m Connector P...

Page 12: ... used and should be left disconnected 5763 HXT Anemometer 4 20 mA 0 50 m s scaled 4716 4717 8797 9234 9319 Any cable may be used Yellow Output 2 is not used and should be left disconnected 7894 HXT Vane Push Pull Active Low 8797 9234 9319 Red Orange or Chartreuse tag only Only newer 6 pin cables can be used All six wires are required to provide both Vane signals 7901 HXT Anemometer Push Pull 4716 ...

Page 13: ...ng mast such that they are lined up parallel to the turbine nacelle centerline Prepare Shield Based on your decision about the cable shield connection scheme cut off or attach the shield to the mounting mast If you choose to cut the shield wire make sure to cut it off short enough to avoid touching the mounting mast or bolt Cross holes Typical mounting mast Nacelle centerline Align cross holes par...

Page 14: ...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 text molded onto the connector leg is oriented toward the turbine rotor If you are connecting the shield to the mounting mast do so now nut washer bolt Remove the nut washer bolt Install connector with TOWARD...

Page 15: ...asher is between the mounting mast and the bolt head The HXT sensors have four ridges running vertically inside the body s lower end as shown in the picture below These ensure that the sensor mounts securely on the mounting mast If attaching the shield to the ground screw make sure that it does not interfere with the mounting ridges by running it straight down the mast from the connector to the gr...

Page 16: ...nnection point Following the color code connect the sensor wires and shield wire to the turbine controller and heater power supply Sensor Common Black 22 AWG Sensor Power Red 22 AWG Sensor Signal White 22 AWG N A not used Yellow 22 AWG on all cables shipped since January 2016 Heater Orange White 20 AWG Heater Orange Black 20 AWG When powering the sensor heater with DC power Orange White MUST be co...

Page 17: ...ing the turbine rotor This aligns the internal key with the alignment slot in the connector Now slide the sensor down over the boom carefully making sure that the key drops into the slot Continue to slide the senor down until it is firmly seated on the nut There will be some drag as the o ring seal and the connector pins engage Tighten the bolt using a 10 mm wrench to 7 N m 5 ft lbs Replacement wa...

Page 18: ...ommendations 1 through 5 is to provide shielding of the internal sensor electronics heater and cabling so that they are protected to LPZ 1 per IEC 61400 24 1 IEC 61400 24 classifies several Lightning Protection Zones LPZ LPZ 0A is exposed on the surface of the turbine and is subject to direct lightning attachment The turbine must provide air terminals such as lightning rods to protect the sensors ...

Page 19: ...onduit to the LPS at both ends This provides protection for the sensor and cabling against EMI and LEMP Recommendations 6 and 7 relate to ground loops and over voltage protection 6 Provide sufficient bonding to prevent ground loop currents in the shields and raceways Whenever possible it is better to resolve the underlying grounding problems rather than leaving the shield unconnected to prevent gr...

Page 20: ...sor 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 Internal bonding and OVP of the HXT turbine control sensor When powering the sensor heater with DC power Orange White MUST be connected to DC Ground and Ora...

Page 21: ... or inferior sensor performance Constant heating prevents condensation from forming on the inside of the sensor enabling the sensor to achieve a 10 year service cycle If the sensor is used without the heater the warranty will be void For complete information about NRG s warranty visit the Warranty page on our website located in the Customer Support section REPAIR To return a defective product requ...

Page 22: ...NRG Product Manual Hybrid XT Anemometer HybridXT_Anemometer_Manual Rev 15 support nrgsystems com Page 22 02 January 2020 DECLARATION OF CONFORMITY ...

Page 23: ...NRG Product Manual Hybrid XT Anemometer HybridXT_Anemometer_Manual Rev 15 support nrgsystems com Page 23 02 January 2020 ...

Page 24: ...NRG Product Manual Hybrid XT Anemometer HybridXT_Anemometer_Manual Rev 15 support nrgsystems com Page 24 02 January 2020 APPENDIX A TECHNICAL DRAWING ...

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