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P2 Power Solutions . Diesel Generator Primer. Diesel Generator – Working Principle. ALTERNATOR. DIESEL ENGINE. LOAD. electrical. mechanical. chemical. Diesel Generator – Fuel Consumption Pattern. efficiency increases with DG size. maximum efficiency @ >70% loading.
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P2 Power Solutions Diesel Generator Primer © P2Power Solutions Pvt. Ltd
Diesel Generator – Working Principle ALTERNATOR DIESEL ENGINE LOAD electrical mechanical chemical © P2Power Solutions Pvt. Ltd
Diesel Generator – Fuel Consumption Pattern efficiency increases with DG size maximum efficiency @ >70% loading © P2Power Solutions Pvt. Ltd
Diesel Generator – Operating Guidelines • Ensure steady load conditions • Minimize load fluctuations • Ensure balanced loading • Minimize load harmonic distortions • Ensure optimum loading (>70%) • Ensure air at generator intake is cold and dust free • Ensure fuel oil storage, handling and preparation as per manufacturers' guidelines • Calibrate fuel injection pumps frequently © P2Power Solutions Pvt. Ltd
Diesel Generator – Load Characteristics Power Factor • Increased current demand • Increased winding losses • Underutilization of capacity: increased capital expenditure, lower efficiency. Load unbalance • Unbalanced output voltages • Heating in alternator windings • Underutilization of capacity Non Linear loads • Overstressing of generators • Distorted voltage profile • Heating in alternator windings • Underutilization of capacity © P2Power Solutions Pvt. Ltd
Case Study I Power Factor Improvement on DG DG Specifications: 3 phase, 415V, 50Hz, 500kVA. Operation: 6000 hours/yr © P2Power Solutions Pvt. Ltd
Case Study II Parallel Operation of DG sets © P2Power Solutions Pvt. Ltd
PF Correction – Benefits KW loading should be within limits at all times © P2Power Solutions Pvt. Ltd
PF Correction – Capability Curve Red: Critical Zone © P2Power Solutions Pvt. Ltd
PF Correction – Traditional Solutions Potentially damage D.G © P2Power Solutions Pvt. Ltd
Active Power Conditioner – Technology © P2Power Solutions Pvt. Ltd
Active Power Conditioner – Technology D.G active Load reactive + harmonic APC © P2Power Solutions Pvt. Ltd
Active Power Conditioner – Technology © P2Power Solutions Pvt. Ltd
Thanks! © P2Power Solutions Pvt. Ltd