Heinzmann StG 2120 Series Manual Download Page 3

 

 

 

 
Read this entire manual and all other publications appertaining to the 
work to be performed before installing, operating or servicing your 
equipment. 

Practice all plant and safety instructions and precautions. 
 

 

 
Failure to follow instructions may result in personal injury and/or 
damage to property. 

HEINZMANN will refuse all liability for injury or damage which 
results from not following instructions 
 

 

 

Please note before commissioning the installation: 

Before starting to install any equipment, the installation must have been 
switched dead! 

 

Be sure to use cable shieldings and power supply connections meeting 
the requirements of the 

European Directive concerning EMI

 

Check the functionality of the existing protection and monitoring 
systems. 
 

 

 

To prevent damages to the equipment and personal injuries, it is 
imperative that the following monitoring and protection systems 
have been installed: 

Overspeed protection acting independently of the speed governor 

Overtemperature protection 

HEINZMANN will refuse all liability for damage which results from 
missing or insufficiently working overspeed protection 

Generator installation will in addition require: 

Overcurrent protection 

Protection against faulty synchronization due to excessive frequency, 
voltage or phase differences 

Reverse power protection 
 

 

 

Overspeeding can be caused by: 

Failure of the voltage supply 

Failure of the actuator, the control unit or of any accessory device 

Sluggish and blocking linkage 
 

Warning

Danger

Danger

Danger!

High

Voltage

Danger

Summary of Contents for StG 2120 Series

Page 1: ...673 8208 188 E mail info heinzmann com www heinzmann com V A T No DE145551926 HEINZMANN Electronic Speed Governors Explosion Proof Actuators StG 2120 xx StG 30 90 xx StG 40 90 xx Copyright 2001 by Hei...

Page 2: ......

Page 3: ...ncerning EMI Check the functionality of the existing protection and monitoring systems To prevent damages to the equipment and personal injuries it is imperative that the following monitoring and prot...

Page 4: ...lication HEINZMANN expressly disclaim the implied warranties of merchantability and of fitness for any particular purpose even if HEINZMANN have been advised of a particular purpose and even if a part...

Page 5: ...and Maintenance 2 1 3 Before Putting an Installation into Service after Maintenance and Repair Works 3 2 General 4 2 1 Scope of Delivery 4 2 2 Description of Function 5 3 Technical Informationen 6 3...

Page 6: ......

Page 7: ...to life personal injury This symbol is to indicate that there exist particular dangers due to electrical high tension Mortal danger This symbol does not refer to any safety instructions but offers imp...

Page 8: ...by starting the engine Before starting the engine always check the installation for visible damages and make sure it is not put into operation unless it is in perfect condition On detecting any fault...

Page 9: ...Never use a water hose to clean cabinets or other casings of electric equipment 1 3 Before Putting an Installation into Service after Maintenance and Repair Works Check on all slackened screw connect...

Page 10: ...g Optionally 1 control valve or 1 5 control valve for metering gaseous fuel for gas turbines Optionally Control lever The following cable glants M 20x1 5 can be used Manufacturer AGRO AG Type 1820 11...

Page 11: ...for use in hazardous environments The actuator represents the actuation unit within a closed control loop of gas steam and water turbines By means of this unit an electric signal from the control uni...

Page 12: ...Max current 7 A approx 5 A approx 7 A Safe current in steady state condition approx 2 3 A approx 1 7 A approx 2 3 A Resistance of coil system ca 2 1 Ohm ca 2 Ohm ca 1 Ohm Number of cable bushings 2 x...

Page 13: ...7 3 2 Measurements Figure 1 StG xx 90 xx F llung Fuel C ombustible 50 0 1 0 0 125 0 1 150 M8 90 20 162 62 22 19 17 108 178 12 70 0 1 104 82 5 M10 88 50 3 5 19 5 17 70 0 1 130 5 M20x1 5 M20x1 5 1 0 0 F...

Page 14: ...3 Technical Informationen 8 Explosion Proof Actuators StG 2120 xx StG 30 90 xx StG 40 90 xx 70 100 0 1 134 86 227 2 B Screwing cable gland 20x1 5 Screwing cable gland 20x1 5...

Page 15: ...nformationen Explosion Proof Actuators StG 2120 xx StG 30 90 xx StG 40 90 xx 9 A B 168 0 1 225 0 1 253 0 1 Figure 2 StG 2120 xx A 125 0 1 224 290 18 4xM10 20 tief SAE Serration 1 2 36 SAE Serration 1...

Page 16: ...fuels for gas turbines both actuators are available as a complete set with a 1 or 1 5 control valve The mounting location must be chosen in such a way as to avoid vibrations and shocks as far as possi...

Page 17: ...Up to 10 m 2 5 mm2 More than 10 20 m 4 0 mm2 More than 20 40 m 6 0 mm2 The actuator is driven by a HEINZMANN control unit In special cases the actuator may be connected to some other control as provi...

Page 18: ...the installation as a whole Please note before commissioning the installation Before starting to install any equipment the installation must have been switched dead Check the functionability of the ex...

Page 19: ...he device must be regularly checked for damages The exterior of the device must be kept in orderly condition The surface may not be damaged mechanically or by chemical substances For cleaning the devi...

Page 20: ...nische Redaktion Am Haselbach 1 D 79677 Sch nau Germany Please include the following information your name name and address of your company e mail or address where you want the manuals to be sent to i...

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