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NRG Product Manual

 

 

 

Hybrid XT Vane

  

 

 

 

 
 
 

HybridXT_Vane_Manual 
Rev 13.0 

[email protected] | Page 23 

7 February 2017 

APPENDIX A: FG# 4715 – HYBRID XT TURBINE CONTROL VANE 

Output Circuit Operation 

The Hybrid XT vane provides a square wave output signal with a frequency proportional to the head rotation position. 
The square wave amplitude is determined by the power supply voltage. 

 

Vane Output Waveform 

Output frequency proportional to wind direction

 

 

The frequency varies between 100Hz and 459Hz. At 100 Hz, the direction is 0 degrees and at 459 Hz the direction is 359 
degrees (1 degree per Hz). Note that the output signal will equal 280 Hz (180 degrees) when the vane is aligned with the 
rotor.  If the frequency output is 0 Hz, this indicates a fault condition. The most likely causes would be: no power, wiring 
problem, or a failed sensor.   

If you were to look at the signal on an oscilloscope, you would notice that the rising edges fluctuate back and forth from 
cycle to cycle. This is normal and was designed this way for Renewable NRG Systems factory use. This will not affect your 
frequency counter in any way. However, if you are using a “time per pulse” measurement method you will want to 
trigger on the falling edges only. For best accuracy, time and count many cycles then divide the count by the time for an 
average frequency. This technique also effectively filters out short-term wind direction variations. 

 

 

 

Period

Power Supply Voltage

Power Supply Common

Output Frequency

Variable Period

Содержание Hybrid XT Vane

Страница 1: ...NRG Product Manual Hybrid XT Vane Authors Technical Services HybridXT_Vane_Manual Rev 13 0 ...

Страница 2: ...HybridXT_Vane_Manual Rev 13 0 support nrgsystems com Page 2 7 February 2017 Specifications are subject to change without notice NRG Systems 110 Riggs Road Hinesburg VT 05461 Tel 802 482 2255 Fax 802 482 2272 e mail sales nrgsystems com ...

Страница 3: ...Y TABLES 9 INSTALLATION AND TECHNICAL DRAWINGS 11 GROUNDING AND BONDING HYBRID XT SENSORS FOR OVER VOLTAGE PROTECTION 16 WARRANTY REPAIR 19 SENDING ITEMS FOR REPAIR 20 DECLARATION OF CONFORMITY 22 APPENDIX A FG 4715 HYBRID XT TURBINE CONTROL VANE 23 APPENDIX B FG 5762 HYBRID XT 4 20 MA OUTPUT VANE 24 APPENDIX C FG 7894 HYBRID XT PUSH PULL VANE 25 APPENDIX D FG 9362 HYBRID XT 4 20MA COUNTER CLOCKWI...

Страница 4: ...461 U S A Email support nrgsystems com When you call or email you should have the 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 lea...

Страница 5: ... 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 maintenance The Hybrid XT also has a spare label pocket for a custome...

Страница 6: ...ne controller settings when retrofitting a Hybrid XT in place of an IceFree 2 IceFree 3 or an original Hybrid Please contact Renewable NRG Systems for further information Finished good Vane type Output wires Function Signal type Description 4715 Hybrid XT Turbine Control Vane White Pulsed output Frequency 100Hz 460Hz square wave for 0 360 degrees 5762 Hybrid XT 4 20 mA Output Vane White Current so...

Страница 7: ... materials The Hybrid XT 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 It is recommended that a 15 A slow blow fuse...

Страница 8: ...d at both ends ONLY if the turbine grounding system provides sufficient bonding and grounding to prevent ground loop currents in the shield wire On the NRG Systems cable assembly for the Hybrid XT Turbine Control Sensor the shield is available for connection at both ends If the sensor end is not to be connected cut off the shield wire at the sensor end before installation to prevent accidental con...

Страница 9: ... length 6 pin cable Orange Tag 9319 Assembly Cable 300V 20m Connector Power Signal WithMountingBolt Hybrid TCS 20 m length 6 pin cable Chartreuse Tag HybridXT Turbine Control Sensor Cable Compatibility 4715 Hybrid XT Turbine Control Sensor Vane 4716 4717 8797 9234 9319 Any cable may be used if present Yellow Out 2 is not used and may be left disconnected 4718 Hybrid XT Turbine Control Sensor Anemo...

Страница 10: ...d 8115 Hybrid XT Coil Compatible Output Turbine Control Sensor Anem 4716 4717 8797 9234 9319 Future Product 8797 may be used Yellow Out 2 is not used and may be left disconnected 9362 Hybrid XT Vane 4 20mA Output Counter Clockwise 4716 4717 8797 9234 9319 Any cable may be used if present Yellow Out 2 is not used and may be left disconnected 9363 Hybrid XT Vane Push Pull Active High 8797 9234 9319 ...

Страница 11: ... they are lined up parallel to the turbine nacelle centerline Prepare Shield Based on your decision about the cable shield connection scheme see previous section and Appendix A 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 Al...

Страница 12: ... to the mounting mast do so now 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 Now attach the nut to the bolt a few turns until the nylon patch is in contact with the nut The nylon patch prevents the nut from backing off the bolt threads Not...

Страница 13: ...n 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 ground screw Do not wrap the wire around the mast The picture below shows the ground screw attachment option Suggested method for attaching shiel...

Страница 14: ...Orange Black to 24V DC When using AC power the wiring order does not matter Mount Sensor To attach the sensor to the mounting mast slide the clamp bolt and washer away from the mounting mast until the nut is against the mounting mast and is hanging vertically Rotate the Hybrid XT sensor body so that the THIS SIDE TOWARD ROTOR label is facing the turbine rotor This aligns the internal key with the ...

Страница 15: ...NRG Product Manual Hybrid XT Vane HybridXT_Vane_Manual Rev 13 0 support nrgsystems com Page 15 7 February 2017 Technical Drawing ...

Страница 16: ...and is subject to direct lightning attachment The turbine must provide air terminals such as lightning rods to protect the sensors from direct lightning attachment This creates an area in LPZ 0B to mount the sensors 2 Careful routing of the lightning down conductor and coordination of the grounding and bonding of the down conductor s to the turbine s LPS is required to minimize the energy coupled ...

Страница 17: ...onding 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 ground loop current flow 7 Since the sensor s electronics and cabling are in LPZ 1 isolation and or over voltage protection should be provided at the interface between the sensor cabling and turbine cont...

Страница 18: ...r Reference 1 IEC TR 61400 24 2002 Wind Turbine Generator Systems Part 24 Lightning Protection 2 IEC 61312 1 1995 Protection against Lightning Electromagnetic Impulse Part 1 General Principles Pin 4 white Output Signal Pin 6 black D C Ground Pin 3 red D C Power to Sensor Pin 2 orange black Heater Power Pin 5 orange white Heater Power Overvoltage protection of D C Power and Output returned to D C G...

Страница 19: ...cal Support area Please provide the serial number of the item as well as date of purchase No products will be accepted for warranty work without an RMA number The product must be returned postage prepaid to NRG with a brief description of the problem RMA number and a return address with phone number The foregoing limited warranty is given in lieu of all other warranties express or implied NRG spec...

Страница 20: ...er service will charge your account return freight charges DO NOT send return items by direct or consolidated air freight service with an airline The cost for air freight may seem lower than the courier service but air freight costs do not include customs clearance airport handling break bulk fees and inland delivery to NRG Systems 3 Attach a Commercial Invoice to the carton The Commercial Invoice...

Страница 21: ...item to you via door to door courier service NRG Systems will send you a shipment advisement when the repaired item is shipped International Customers Before sending the repair item to NRG Systems check with your local customs authorities about provisions in your country for exporting and re importing repair items Some countries treat repair shipments like new shipments and charge import duties an...

Страница 22: ...DECLARATION OF CONFORMITY ...

Страница 23: ...grees when the vane is aligned with the rotor If the frequency output is 0 Hz this indicates a fault condition The most likely causes would be no power wiring problem or a failed sensor If you were to look at the signal on an oscilloscope you would notice that the rising edges fluctuate back and forth from cycle to cycle This is normal and was designed this way for Renewable NRG Systems factory us...

Страница 24: ...ind and the transition from 4 mA output to 20 mA output is opposite the normal control direction 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 Hybrid 4 20 mA signal output has been engineered to adapt to most common 4 20 mA curren...

Страница 25: ...uously as the blades pass the nacelle and other turbulence affects the sensor Some turbine control systems depend on this motion called dithering to allow them to estimate the average wind direction while observing only one digital signal The wind vane output is off when the vane is left of center and on when the vane is right of center In these systems the controller compares how much time the se...

Страница 26: ...anual Rev 13 0 support nrgsystems com Page 26 7 February 2017 dithered signal is switching on and off with a ratio of 50 As the wind varies to the right or left the sensor varies the on off ratio to simulate an under damped vane s mechanical dithering ...

Страница 27: ...the sensor output signal is 12 mA when the turbine is aligned with the wind and the transition from 4 mA output to 20 mA output is opposite the normal control direction 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 This Hybrid XT 4 20...

Страница 28: ... denoted VR90 This type is active HIGH where the FG 7894 is active LOW White wire VL yaw right left Yellow wire VR90 upwind downwind XT Vane Dithering Most yaw vanes including many OEM sensors are under damped They move left and right continuously as the blades pass the nacelle and other turbulence affects the sensor Some turbine control systems depend on this motion called dithering to allow them...

Страница 29: ...an under damped sensors For compatibility with controllers that are expecting a dithered signal the electronics of the Model 7894 Push Pull Hybrid XT Vane creates a compatible dithered signal When the XT senses the wind direction is correctly pointed into the wind the dithered signal is switching on and off with a ratio of 50 As the wind varies to the right or left the sensor varies the on off rat...

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