NRG Systems IceFree3 Bedienungsanleitung

IceFree3_Turbine_Control_Vane_Manual | Rev 3.0 | 30 January 2015 | [email protected] || 0

NRG IceFree3™ Vane

NRG Turbine Control Vane

User Manual

NRG Systems, Inc. • 110 Riggs Road • Hinesburg • VT 05461 USA

TEL 802-482-2255 • FAX 802-482-2272 • EMAIL [email protected]

IceFree3_Turbine_Control_Vane_Manual | Rev 3.0 | 30 January 2015 | [email protected] || 1

Specifications are subject to change without notice.

PO Box 509

Hinesburg VT 05461

Tel: 802-482-2255

Fax: 802-482-2272

e-mail: [email protected]

IceFree3_Turbine_Control_Vane_Manual | Rev 3.0 | 30 January 2015 | [email protected] || 2

Table of Contents

Customer Support....................................................................................................................3

Introduction ..............................................................................................................................4

Sensor Identification and Quick ID Table...............................................................................5

General Sensor Information....................................................................................................7

NRG IceFree3™ Yaw Vane 4ch, NPN .....................................................................................8

NRG IceFree3™ Yaw Vane 1ch, PNP....................................................................................14

NRG IceFree3™ Yaw Vane 2ch, PNP....................................................................................19

NRG Turbine Control Yaw Vane............................................................................................24

Warranty & Repair..................................................................................................................28

Return Instructions................................................................................................................29

Declaration of Conformity .....................................................................................................30

IceFree3_Turbine_Control_Vane_Manual | Rev 3.0 | 30 January 2015 | [email protected] || 3

Customer Support

NRG Systems offers a variety of support options to help you get the most from your NRG

product. If you have questions about your NRG product, first look in the printed product

documentation, the Knowledge Base, or in the Technical Forum in the Tech Support section of

NRG’s web site. If you cannot find the answer, contact your salesperson or NRG Systems

Customer Support for assistance using the information below. Customer support is available

8:30 AM to 5:00 PM EST, Monday through Friday.

NRG Systems, Inc. Telephone: 802-482-2255

110 Riggs Road Toll Free (USA only): 800-448-WIND (800-448-9463)

Hinesburg, Vermont FAX: 802-482-2272

05461 U.S.A. Email: [email protected]

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 leading up to the problem

What you have tried while attempting to solve the problem

NRG Systems maintains an extensive website which includes an in-depth customer support

area for NRG customers. If you need assistance at times other than our regular business

hours, we suggest visiting our website, www.nrgsystems.com.

All instruments, sensors, software and towers manufactured by NRG Systems are designed to

be reliable and easy to use. We welcome your comments and appreciate your help in making

NRG products the best available.

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Introduction

NRG IceFree3™ Vane (Heated)

The NRG IceFree3™ yaw vane is an electrically-heated wind direction sensor designed for wind turbine control at

ice-prone sites. The vane base is fixed to the turbine nacelle, with relative “north” facing directly toward the

blades. Rotation of the vane indicates yaw errors and provides output signals relative to the fixed vane base.

The IceFree3™ 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 low moment of inertia allows it to respond to winds as low as

2.0 m/s.

NRG Turbine Control Vane (Unheated)

The NRG Turbine Control yaw vane is a rugged wind direction sensor designed specifically for wind turbine

control. The vane base is fixed to the turbine nacelle with relative “north” facing directly out toward the blades.

Rotation of the vane head interrupts optical sensors and indicates yaw errors by providing output signals relative

to the fixed vane base.

The NRG Turbine Control yaw vane 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 low moment of inertia allows it to

respond to winds as low as 2.0 m/s.

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Sensor Identification

Serial Number

The serial number is etched into the base of the sensor.

Finished Good (FG) vs. Kit Numbers

Finished Good (FG) numbers are used to refer to the sensor itself. A Kit number always includes the FG number,

but may include item accessories as well. Always use the Kit # when placing an order.

Quick ID: NRG IceFree3™ Vanes (Heated)

Product

Kit#

FG#

Description

See Page

NRG IceFree3™ Yaw Vane

4 Ch, NPN, 2.8 m

#2451

#2443

Heated yaw error vane

Four NPN outputs

2.8m cable

NRG IceFree3™ Yaw Vane

4 Ch, NPN, 4.7 m

#4107

#4102

Heated yaw error vane

Four NPN outputs

4.7m cable

NRG IceFree3™ Yaw Vane

4 Ch, NPN, 8.0 m

#2652

#2650

Heated yaw error vane

Four NPN outputs

8.0m cable

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NRG IceFree3™ Yaw Vane

4 Ch, NPN, 8.0 m, M8

#3292

#3291

Heated yaw error vane

Four NPN outputs

8.0m cable

8mm Mounting Screw

NRG IceFree3™ Yaw Vane

4 Ch, NPN, 10.0 m

#3450

#3448

Heated yaw error vane

Four NPN outputs

10.0m cable

NRG IceFree3™ Yaw Vane

4 Ch, NPN, 17.0 m

#2850

#2848

Heated yaw error vane

Four NPN outputs

17.0m cable

NRG IceFree3™ Yaw Vane

1 Ch, PNP, 2.8 m

#2808

#2807

Heated yaw error vane

One PNP output

2.8m cable

NRG IceFree3™ Yaw Vane

1 Ch, PNP, 4.6 m

#3059

#3057

Heated yaw error vane

One PNP output

4.6m cable

NRG IceFree3™ Yaw Vane

2 Ch, PNP, 8.0 m

#3482

#3480

Heated yaw control vane

Two PNP outputs

8.0m cable

Quick ID: NRG Turbine Control Vane (Unheated)

Product

Kit#

FG#

Description

See Page

NRG Turbine Control

Yaw Vane

2 Ch, PNP, 8.0 m

#3581

#3579

Yaw error vane

Two PNP outputs

8.0m cable

Unheated sensor

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General Sensor Information

Heater Operation

The heat source for the IceFree3 is a self-regulating constant-temperature heater. In severe wind and icing

conditions, the IceFree3 draws full power and remains clear of ice. As weather conditions improve, the IceFree3

draws less power. The IceFree3’s self-regulating feature increases its reliability, insuring that the head does not

reach excessive temperatures. The IceFree3 heater is powered by 24 volt power, AC or DC, making it compatible

with a wide range of remote site equipment. An optional 120/240V - 24 VAC transformer is also available.

Following a brief inrush current, the heater quickly settles into its temperature-controlled mode.

It is recommended that a 15 A slow-blow fuse be placed in line with the heater.

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 slot) 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.

4. Connect the heater power cable to your power source and check to be sure that the sensor head is heating.

You do not need to wait until the body gets hot to be sure the heaters are working. Any warmth at the top of the

stem (near the head) means that the heaters are working. The lower housing will take longer to warm up and

will not get as hot.

IceFree sensors should be heated year-round to maintain constant bearing temperatures and to prevent

moisture or condensation internally. We do not recommend turning off the heaters, even in warm

weather.

*Calibration

If the IceFree sensor has been calibrated, a sensor specific calibration report has been shipped with the sensor.

If the calibration report should get lost, you may contact NRG for a copy. Please note that you will need the

sensor serial number when you contact NRG.

ESD, Circuit Protection, and Cautions

 Do not apply greater than 30 Volts to the outputs at any time.

 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.

 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.

 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.

IceFree3_Turbine_Control_Vane_Manual | Rev 3.0 | 30 January 2015 | [email protected] || 8

Sensor Maintenance

The bearings used in the IceFree3 sensors will last a minimum of 2 years. Sensor bearing life is variable and

depends upon the amount of exposure to salinity, dust, moisture, icing, vibration, and other environmental

factors. These factors independently, or in combination with each other, may reduce the bearing life. Routine

maintenance should be considered at 2 year intervals.

IceFree3_Turbine_Control_Vane_Manual | Rev 3.0 | 30 January 2015 | [email protected] || 9

NRG IceFree3™ Yaw Vane

4 Ch, NPN

Kit# 2451, 4107, 2652, 3292, 3450, 2850

FG# 2443, 4102, 2650, 3291, 3448, 2848

NPN Output Circuit Operation

The IceFree3™ yaw vane has four output signals, each centered on one of the four cardinal directions. The

outputs are open-collector type; they sink current to signal ground when active and are high impedance when

inactive.

Typically, these outputs are used with a pull up resistor from the output to the desired power supply, and then the

output is connected to a digital input on the controller. The active outputs are pulled low by the sensor, and when

the output is inactive, the signal is pulled high by the resistor to the supply voltage. This open-collector

arrangement allows you to choose the signal high voltage independently of the power input supply. The outputs

can also directly drive current loop inputs such as reed-relay coils or opto-isolated inputs, if the approximately 4

mA output drive capability is sufficient.

The opto-interrupters require an external power supply to operate the LED lamps. The sensor signals are

powered through an additional two wires: the red (excitation) and black (ground) wires.

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