1. speed governing 2. genset automation 3. hydraulic ... · speed governing 2. genset automation 3....
TRANSCRIPT
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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
• Mechanical Governor
• Electronic Governor
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Actuators
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Actuator Design
• Linear motion - requires no position
sensor for fuel management applications
• Very fast response t ime (30-45 ms)results in high performance and lowestpossible transients
• Safety shut off feature
• Wear free design for long durabil ity
• Low current consumption
• Integral types are fully protected againstexternal influence
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The Integral Concept
Two chamber solution
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Integral
• Mounts directly on fuel
injection pump
• For Bosch A-/P-Seriesand Stanadyne pumps
• Actuator goes directly onfuel rack
• Various customer makes
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External
• For standard and retrofit
applications
• Mounts on every engineup 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 variable speed units for various applications
• Full PID control loop, non interacting, P&I part adjustable
• D Part fixed, l imted adjustment possibil ity for simple set-up
• Speed accuracy 0.25% in full range
• Fast speed anticipation feature reducing transients
• Various features available from low cost standard units to
starting smoke limitation, crank termination , dual gain a.s.f.
• Humidity and vibration proof design, hard potted versions
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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
• Stability and gain settings
• Adjustable phase error
• Adjustable breaker closure angle
• Enable and test input
• LED indication for
– Gen/Mains voltage– Breaker relay closed
– Synchronizer enabled– Synchronised
• Fast synchronising, 3-5 sec
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Load Sharing Units
• Very precise load sharing between
unlimited sets with equal or differentpower rating
• Constant, isochronous speed
• True power measurement, loadsharing gets independent fromeventual actuator losses
• Load sharing over analog parallelcables
• Gain , sensitivity settings for PID loop
• Output directly to speed governor
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Interfaces to foreign Governors
• Interfaces to match
foreign governors
• For various manufacturersavailable , B/C, Woodward ,Caterpillar, others
• Transforms output tospeed 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 withperfect price /performance
• Superior overall engine speed and/or torque control accuracy
• Fully independent PID loop settings for perfect engine control
• Integral or external actuators for inline and rotary type pumps
• Harware and software engineering for customized solutions
• Tuned equipment for parallel applications of gensets
• Satisfied OEM customers around the world as previously named
• Company with strong sales and support via Huegli Tech
• Various approvals (MIL, Marine such as GL, Rina)
• Long experience in the engine control f ield worldwide