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Operating Instructions
AC-Synchronous Generators with permanent
excitation
DSG P...
Read the Operating Instructions prior to
assembly, starting installation and handling!
Keep for future reference
Translation of the original Operating Instructions
ID-72065-R2
DSGP_MANUAL-en_R2(2025-05-27)ID72065.docx
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Table of Contents
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Summary of Contents for Hubner DSG P Series
- Page 1 English Operating Instructions AC-Synchronous Generators with permanent excitation DSG P… Read the Operating Instructions prior to assembly, starting installation and handling! Keep for future reference Download Translation of the original Operating Instructions DSGP_MANUAL-en_R2(2025-05-27)ID72065.docx ID-72065-R2...
- Page 2 AC-Synchronous Generators with permanent excitation Trademark Brand names and product names are trademarks or registered trademarks of their respective owner. Protected trademarks bearing a ™ or ® symbol are not always depicted as such in the manual. However, the statutory rights of the respective owners remain unaffected. Manufacturer / publisher Johannes Hübner Fabrik elektrischer Maschinen GmbH...
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Page 3: Table Of Contents
AC-Synchronous Generators with permanent excitation Directory General .......................... 5 Information about the Operating and Assembly Instructions ............5 Scope of delivery ........................5 Explanation of symbols ....................... 5 Disclaimer ........................... 6 Copyright............................. 6 Guarantee terms ......................... 6 Customer service ........................6 Responsibility of the owner ...................... - Page 4 AC-Synchronous Generators with permanent excitation Disposal procedure ........................24 10 Spare parts ........................24 11 Appendix ........................25 11.1 Connection diagram ........................25 11.2 Dimension drawings / mechanical data ..................26 11.3 Screw tightening torques / material characteristics ..............32 DSGP_MANUAL-en_R2(2025-05-27)ID72065.docx...
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Page 5: General
In addition, applicable local regulations for the prevention of industrial accidents and general safety regulations must be complied with. 1.2 Scope of delivery Permanently excited synchronous generator from the DSG P series with agreed accessories, operating instructions. Explanation of symbols Warnings are indicated by symbols in these Operating and Assembly Instructions. -
Page 6: Disclaimer
AC-Synchronous Generators with permanent excitation 1.4 Disclaimer All information and instructions in these Operating and Assembly Instructions have been provided under due consideration of applicable guidelines, as well as our many years of experience. The manufacturer assumes no liability for damages due to: ▪... -
Page 7: Intended Use
AC-Synchronous Generators with permanent excitation 1.9 Intended use The machine has been designed and constructed exclusively for the intended use described here. Synchronous generators with permanent magnet excitation from the DSG-P range are designed to convert mechanical energy into electrical energy, for example, for feeding into the grid, charging batteries and applying electrical power to resistors (for example for heating purposes). -
Page 8: Special Dangers
AC-Synchronous Generators with permanent excitation 1.13 Special dangers Residual risks that have been determined based on a risk analysis are cited below. 1.13.1 Electrical current DANGER! Life-threatening danger due to electrical shock! There is an imminent life-threatening hazard if live parts are touched. Damage to insulation or to specific components can pose a life-threatening hazard. -
Page 9: Technical Data
AC-Synchronous Generators with permanent excitation 2 Technical Data 2.1 Type plate The type plate and CE label are located on the side of the housing. Type plate-information: ◼ Manufacturer ◼ Type / mark ◼ S/N = serial number ◼ Y = year of manufacture ◼... -
Page 10: Type Key
AC-Synchronous Generators with permanent excitation 2.2 Type key Drehstrom Synchron Generator (German for three-phase synchronous generator) Permanently excited ≙ 180 mm Hight to center ≙ 250 mm Overall length inside Number of poles DSGP_MANUAL-en_R2(2025-05-27)ID72065.docx... -
Page 11: Connected Loads And Values
AC-Synchronous Generators with permanent excitation 2.3 Connected loads and -values 2.3.1 Dimensions, connected loads, environment Specification Value Unit Weight Please see Chapter 11.2 Dimensional drawings/mechanical details Dimensions Please see Chapter 11.2 Dimensional drawings/mechanical details No-load voltage (interlinked) Please see nameplate V AC Rated voltage under load (interlinked) Please see nameplate... -
Page 12: Transport, Packaging And Storage
AC-Synchronous Generators with permanent excitation 4 Transport, packaging and storage 4.1 Safety information concerning transport CAUTION! Material damage caused by improper transport! Observe the symbols and information on the packaging: ▪ Do not throw - risk of breakage ▪ Keep dry ▪... -
Page 13: Safety Instructions
AC-Synchronous Generators with permanent excitation 5 Safety instructions Personnel Installation and commissioning must be carried out by skilled technical staff only. NOTES! Observe the safety instructions contained in Chapter 1.13 when installing or working on the device! DANGER! Life-threatening danger due to electrical shock! There is an imminent life-threatening hazard if live parts are touched. -
Page 14: Installation And Commissioning
AC-Synchronous Generators with permanent excitation 6 Installation and commissioning 6.1 Place of installation ◼ Installation height < 1000 m above sea level. Consult the manufacturer if the installation height is > 1000 m (possible derating) ◼ Permissible ambient temperature - 20° C up to + 40° C ◼... -
Page 15: Installation Work
AC-Synchronous Generators with permanent excitation 6.2 Installation work 6.2.1 Machine version for flange mount type (B5) or foot mount type (B3) or combination (B35) Use zero-play coupling. Ensure precisely centred mounting, in particular for foot mount type B3. Secure machine via flange or foot. Ensure the machine is mounted securely without distortion and not subject to vibration. - Page 16 AC-Synchronous Generators with permanent excitation ● The machine must not be operated in a delta connection (results in short-circuit currents of the third harmonic oscillation). ● The machine must not be operated as a motor; that means no separate external voltage must be applied to the electrical connections in the terminal box.
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Page 17: Dismantling
AC-Synchronous Generators with permanent excitation 6.3 Dismantling Observe and adhere to safety information (8.1)! • Shut down and ensure the machine cannot be restarted. • Turn off and isolate the power supply; turn off and isolate the power supply to any additional or auxiliary circuits. -
Page 18: Faults
AC-Synchronous Generators with permanent excitation 7 Faults Please contact the manufacturer if faults occur that cannot be rectified using the following information; please refer to the service address on page 2. The work required to rectify any faults must be carried out by skilled technical staff only. 7.1 Safety The work required to rectify any faults must be carried out by skilled technical staff only. -
Page 19: Faults Diagnosis Table
AC-Synchronous Generators with permanent excitation 7.2 Faults diagnosis table Faults Possible cause Remedial action Measure speed, adjust if Insufficient input speed necessary Reduce drive-end load. Overload Voltage too low Check flow of cooling air, improve if necessary. Overtemperature Clean the machine if dirty (as described in 8.2 Inspection and maintenance schedule) - Page 20 AC-Synchronous Generators with permanent excitation Faults Possible cause Remedial action Rotating parts rubbing; Determine cause, remove changes to foundations/plant foreign objects, re-align machine. Bearings becoming too hot Please contact the Too much grease in the manufacturer. bearing; coolant temperature above 40 °C. V-seal or gamma ring Replace V-seal or gamma rubbing...
- Page 21 AC-Synchronous Generators with permanent excitation Faults Possible cause Remedial action Insufficient flow of cooling Check installation location air due to unsuitable and change if necessary machine installation location or insufficient ventilation Cooling air flow reduced due Blow-clean the machine with Surface temperature too high to soiling water and oil-free...
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Page 22: Inspections
AC-Synchronous Generators with permanent excitation 8 Inspections 8.1 Safety instructions WARNING! There is a risk of injury and material damage if inspection work is carried out improperly! Ensure that any components that have been removed are refitted correctly; refit all mounting elements and adhere to the correct screw tightening torques! DANGER! Danger of death from unauthorized reconnection of the power supply! -
Page 23: Maintenance Information
AC-Synchronous Generators with permanent excitation 8.2 Maintenance information To guarantee optimum fault-free operations we recommend that you carry out the following inspections. 8.3 Inspection schedule NOTES! No further actions are required on the machine in addition to the following cyclical inspections described in this inspection schedule. -
Page 24: Relubrication Device (Option)
AC-Synchronous Generators with permanent excitation 8.4 Relubrication device (option) Maintenance of rolling bearings with relubrication device (optional equipment). The exact details of the individual lubrication intervals, the type of grease used and the quantity of grease required can be found on the relubrication plate. The roller bearings are generally relubricated on both sides via grease nipples while the machine is running. -
Page 25: Appendix
AC-Synchronous Generators with permanent excitation 11 Appendix 11.1 Connection diagram Wiring diagram DSG P … Terminal board (terminal box): Δ Forbidden! Allowed Connection diagram AP-114901 (Standard) Connection diagram with temperature sensor AP- Connection diagram with rectifier AP-117963 118006 (temperature sensor optional) DSGP_MANUAL-en_R2(2025-05-27)ID72065.docx... -
Page 26: Dimension Drawings / Mechanical Data
AC-Synchronous Generators with permanent excitation 11.2 Dimension drawings / mechanical data Dimensioned drawing B3 Three-phase synchronous generator with permanent excitation Grey cast iron housing Design: IM B3 Terminal box: Standard, top DSG P - Series Machine type Dimension 71.07-0.8 71.07-8 80.10-8 112.14-10 112.17-10... - Page 27 AC-Synchronous Generators with permanent excitation Dimensioned drawing B3 Three-phase synchronous generator with permanent excitation Grey cast iron housing Design: IM B3 Terminal box: Standard, top DSG P - Series Machine type Dimension 112.16-10 132.15-10 132.20-10 160.20-10 200.25-10 Total length Total height with terminal box Shaft length Shaft diameter Max.
- Page 28 AC-Synchronous Generators with permanent excitation Dimensioned drawing B5 Three-phase synchronous generator with permanent excitation Grey cast iron housing Design: IM B5 Terminal box: Standard, top DSG P - Series Machine type Dimension 71.07-0.8 71.07-8 80.10-8 112.14-10 112.17-10 Total length Total height with terminal box 201.5 201.5 Shaft length...
- Page 29 AC-Synchronous Generators with permanent excitation Dimensioned drawing B5 Three-phase synchronous generator with permanent excitation Grey cast iron housing Design: IM B5 Terminal box: Standard, top DSG P - Series Machine type Dimension 112.16-10 132.15-10 132.20-10 160.20-10 200.25-10 Total length Total height with terminal box Shaft length Shaft diameter Max.
- Page 30 AC-Synchronous Generators with permanent excitation Dimensioned drawing B35 Three-phase synchronous generator with permanent excitation Grey cast iron housing Design: IM B35 Terminal box: Standard, top DSG P - Series Machine type Dimension 71.07-0.8 71.07-8 80.10-8 112.14-10 112.17-10 Total length Total height with terminal box Shaft length Shaft diameter Max.
- Page 31 AC-Synchronous Generators with permanent excitation Dimensioned drawing B35 Three-phase synchronous generator with permanent excitation Grey cast iron housing Design: IM B35 Terminal box: Standard, top DSG P - Series Machine type Dimension 112.16-10 132.15-10 132.20-10 160.20-10 200.25-10 Total length Total height with terminal box Shaft length Shaft diameter Max.
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Page 32: Screw Tightening Torques / Material Characteristics
AC-Synchronous Generators with permanent excitation 11.3 Screw tightening torques / material characteristics Screws utilized to mount the machine (screw material, the material pairings to be fastened and the length of thread engagement) are to be calculated to VDI 2230 (Page 1). The materials used and the construction to which the generator is to be fastened must guarantee a permanently secure and reliable joint. - Page 33 AC-Synchronous Generators with permanent excitation Screw tightening torques / material characteristics for generator series DSG P … DSG P … Housing GG 15 GG 15 GG 15 GG 20 GG 20 GG 20 GG 20 GG 20 GG 20 Housing material (stator / stator) Material: foot / flange GG 20...
- Page 34 AC-Synchronous Generators with permanent excitation Screw size Terminal Material TM [Nm] 12.5 Screw size Terminal Material box lid TM [Nm] 12.5 Screw size Terminal Material mounting TM [Nm] 12.5 Screw size Terminal Sm, St Sm, St Sm, St Sm, St Sm, St Sm, St Material mounting nuts 12.5...
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