NRG Turbine Control Anemometer Digital, PNP, 8.0 m User Manual
Contents
1. 3626 FG3578manual doc 3 Rev 4 11 30 2004 Specifications Applications wind turbine control Description maximum rated wind speed is 90 m s 200 miles per hour Instrument digital inputs of turbine controllers and PLCs compatibility S e square wave with frequency proportional to wind speed e amplitude approximately equal to supply voltage e PNP output active high output sources current to the sensor Signal type output load from the sensor power supply inactive low low output is pulled down to ground by sensor output load e can source up to 25 mA to within 1 V of the supply voltage Output signal e inactive output leakage is less than 100 uA m s Hz x 0 572 1 00 miles per hour Hz x 1 28 2 24 Sensor to Sensor 99 7 of sensors fall within 4 3 of stated transfer function based Variation on over 800 samples Calibration available upon request contact NRG for more information Output signal range 0 Hz to 155 Hz Power requirements Supply voltage 5 V DC to 24 V DC Supply current 9 mA max output load current Response Distance constant Mountin mounts to a 27 mm 1 05 inch diameter pipe 3 4 inch pipe size Installation g with a 5 16 inch nut and bolt cabling exits into mounting pipe Tools required 13 mm 0 5 inch nut driver Operating 40 C to 60 C 40 F to 140 F temperature range Environmental Operating humidity 0 to 100 RH range Signal Cable e white signal Connections e black ground e red se2. NRG Turbine Control Anemometer Digital PNP 8 0 m User Manual NRG Systems Inc e 110 Riggs Road Hinesburg VT 05461 USA TEL 802 482 2255 FAX 802 482 2272 EMAIL sales nrgsystems com 3626 FG3578manual doc Rev 4 11 30 2004 Introduction The NRG turbine control anemometer is a wind speed sensor designed for wind turbine control at year round warm weather sites and is based on the rugged components of NRG s successful IceFree sensor line The sensor is mounted to the turbine nacelle and provides an electrical output signal with frequency directly proportional to windspeed The NRG turbine control anemometer is reliable in heavy and light winds It is rugged enough to accurately measure winds in excess of 90 meters per second 200 miles per hour yet its relatively low moment of inertia permits it to respond rapidly to gusts and lulls PNP Output Circuit Operation The NRG turbine control anemometer with Hall Effect output provides a high level square wave output signal Rotation of the anemometer head rotates the four pole magnet past a solid state Hall Effect sensor The Hall Effect sensor signal is internally converted to PNP by way of a robust PNP transistor and other components With this PNP configuration an active output sources current from the sensor supply to the grounded load on the sensor output the input stage of turbine controller contains the grounded load The output signal frequency is directly proporti
3. nsor power e shield drain Physical Cable length e Signal cable 8 0m 26 2 feet e extension kits available Weight 1 45 kg 8 2 pounds e overall assembly height 224 mm 8 82 inches Dimensions e body diameter 70 mm 2 75 inches e swept diameter of rotor 127 mm 5 inches Materials precision balanced aluminum with black anodized finish and heat resistant black paint Bod cast aluminum with black anodized finish and heat resistant black y paint Shaft centerless ground stainless steel stainless steel ball bearings with application specific lubrication 3626 FG3578manual doc 4 Rev 4 11 30 2004 Cable e Signal 3 conductor 20 AWG chrome PVC jacket with overall foil shield and drain led to IP55 Enclosure seed l Enclosure e sensor electronics encapsulated to IP65 Base cast aluminum with black anodized finish and heat resistant black paint 3626 FG3578manual doc 5 Rev 4 11 30 2004
4. onal to the wind speed The NRG turbine control Hall Effect sensor s linear frequency output makes the turbine control anemometer ideal for use with wind turbine controllers ee EE Le SIGNAL OUTPUT TERMINAL ot SUPPLIED LOAD SEE SPECS VG EES EQUIVALENT CIRCUIT FUR PNP OUTPUTS 3626 FG3578manual doc 1 Rev 4 11 30 2004 ESD Circuit Protection and Cautions e Do not apply greater than 30 Volts to the outputs at any time e We suggest that you not mount the sensor until the proper grounding is available When you mount the sensor protect the signal wires and connect the ground first After connecting to ground attach the signal wires from the sensor e There are internal TVS diodes on the output If the output voltage is pulled above 30 V or below ground the diode will clamp the output to ground e Do not apply constant reverse voltages to the outputs The internal diode is intended only to protect the sensor output from transient reverse voltages for example the inductive turn off spike caused by driving reed relay coils directly from the output Installation 1 Tape the ends of the cables to prepare them for feeding through the mounting boom Maintain the isolation of the signal leads from the boom Remove the nut and bolt from the base of the unit Feed the cables through the mounting boom until the sensor is on the boom Align the bolt hole in the base not the sl
5. ot with the hole in the boom such that the hole in the base points forward toward the rotor blades 2 Check to be sure that the sensor is secure against the top of the boom Insert the bolt into the slot side of the base Place the nut on the end of the bolt and tighten 3 Using the notations on the individual wires connect the ground common lead to your controller first Then connect the signal leads Connect power last especially if power is on during connection Confirm input on controller 3626 FG3578manual doc 2 Rev 4 11 30 2004 Sensor and Mounting Outline 64mm 62 5 i Radius E A ml 150mm 6 TNR ew RED SIGNAL WHITE E e BLACK 224mm 8 82 ANEMOMETER FERRULES PHOENIX CONTACT P N 3009215 ee SHLD SHIELD FERRULE PHOENIX CONTACT Ba P N 3200014 pi 5MM 0 06 p 5 8MM 0 23 12 2MM 0 48 S 16 18x1 75 4 BOLT amp NUT 7 93mm DIAx44 Smm gt 4 4 FERRULE DIMENSIONS APPROXIMATE Fe Ta Smm 0 99 M 0 53 AR i f 46 2mm i i l 1 827 ji 35 9mm SECT A A 08 3mmh i o OD Kee t Typical 7 4mm 1 Baari a F a 27 9mmM i 10 D 56 4mm Fa 1 437 22 9mmM 8 3MM leso T 4 T ee TYPICAL MOUNTING STUB MOUNTING BASE DIMENSIONS
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