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1. Speed Governing

2. Genset Automation

3. Hydraulic Cranking

4. Engine Protection

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Basic Governing System

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Governing Principle

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Isochronous Speed

Mechan ica l G ov ernor

E lectroni c Gover no r

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Actuators

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Actuator Design

L inear motion - requires no pos it ion

sensor for fuel management applications

Very fast response time (30-45 ms)

results in high performance and l owest

possible transients

Safety shu t o ff feature

Wear f ree des ign for long durabi l ity

Low cur rent consumption

Integral types are fully protected against

external influence

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The Integral Concept

Two chamber solution

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Integral

Mounts d irect ly on fuel

injection pump

F or Bosc h A -/P-Series

and Stanadyne pumps

Actuator goes d irec tly onfuel rack

Var ious c us tomer mak es

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External

For standard and ret ro fi t

applications

Moun ts on eve ry eng ine

up to 1.5 MW

Connection to fuelinjection pump with a rod

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Electronic Speed Controls

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The Speed Control Concept

Fixed and var iable speed units for various appl icat ions

Full PID control loop, non interacting, P&I part adjustable

D Part f ixed, l imted adjustment possibil i ty for s imple set-up

Speed accuracy 0 .25% in ful l range

Fast speed ant ic ipat ion feature reducing transients

Various features avai lable from low cost standard units to

starting smoke limitation, crank termination, dual gain a.s.f.

Humidity and v ibrat ion proof design, hard potted vers ions

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ESD 5500

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Accessories for Gensets in Parallel

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Functioning Principle

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Synchronizer

Stabi li ty and gain set tings

Adjustab le phase er ror

Adjustable breaker c losure angle

Enab le and test i nput

LED indication for Gen/Mains voltage

Breaker relay closed

Synchronizer enabled

Synchronised

Fas t synchronising, 3-5 sec

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Load Sharing Units

Very precise load shar ing between

unlimited sets with equal or different

power rating

Constant, isochronous speed

T rue power measurement, l oadsharing gets independent from

eventual actuator losses

Load shar ing over analog para llel

cables

Gain, sensitivi ty sett ings for PID loop Output di rect ly to speed governor

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Interfaces to foreign Governors

Interfaces to ma tc h

foreign governors

For var ious manufac turers

available, B/C, Woodward ,

Caterpillar, others T ransfor ms ou tput to

speed governor to

requested levels

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Why choose GAC?

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10 Reasons for GAC

Standard or custom designed engine governing with

perfect price/performance

Super ior overal l engine speed and/or torque control accuracy

Ful ly independent PID loop sett ings for perfect engine control

Integral or external actuators for inl ine and rotary type pumps

Harware and software engineer ing for customized solut ions

Tuned equipment for paral lel applicat ions of gensets

Sat is fied OEM customers around the world as previous ly named

Company wi th s t rong sales and suppor t via Huegl i Tech

Various approvals (MIL, Mar ine such as GL, Rina)

Long exper ience in the engine control fie ld worldwide