TOTAL SYSTEM PARAMETERS | 350 kW | 437.5 kVA | MPSG350 | |
Output Voltage 60 Hz. | Rated Amps |
| ||
| 120/208 | 1214 |
| |
| 277/480 | 526 |
| |
| 600 | 421 |
| |
Combinations |
| 1 - 200 kW, 1 - 150 kW |
| |
|
|
|
| |
Motor Starting |
| 208 Volt Parallel Wye Network | 480 Volt Series Wye Network | |
Inst Dip | 15% | 415 |
| 459 |
kVA | 20% | 581 |
| 637 |
|
| |||
| 25% | 711 |
| 804 |
| 30% | 784 |
| 958 |
| 35% | 890 |
| 1098 |
Alternator Parameters |
|
|
| |
|
| |||
Alternator Models | ||||
|
|
| ||
Sub Transient Reactance | 0.16 |
| ||
Transient Reactance | 0.23 |
| ||
Synchronous Reactance | 3.1 |
| ||
Zero Sequence Reactance | 0.07 |
| ||
Neg Sequence Reactance | 0.18 |
| ||
Time Constant Seconds | 0.0078 |
| ||
Phase Sequence | CBA |
| ||
Voltage Balance | 0.5% |
| ||
Max Harmonics |
| 3.50% |
| |
Efficiency % @ |
| 208 Volts 1.0 PF | 480 Volts 1.0 PF | |
| 60% Load | 90.40% |
| 90.70% |
| 80% Load | 90.70% |
| 91.10% |
| 100% Load | 90.50% |
| 90.90% |
Engine Fuel Consumption @ | Natural Gas 950 BTU /Cu.Ft |
| ||
|
|
|
| |
% of Rated Load | kW | Cu Ft / Hr | Therms/Hr. | |
| 25% | 87.5 | 1,209 | 11.49 |
| 50% | 175 | 2,329 | 22.12 |
| 75% | 262.5 | 3,429 | 32.58 |
| 100% | 350 | 4,467 | 42.44 |
Engine Cooling |
| 350 kW |
| |
|
|
|
| |
Heat Rejection to Coolant( Full Load ) | 1,206,000 BTU/Hr. Total for the 2 units | 1@ 700,000 btu/hr | 1@ 506,000btu/Hr. | |
Coolant Capacity (total) | 15.4 gallons for the 2 units 77 Gallons per unit | |||
Inlet Cooling Air | CFM | 34,400 for the 3 units | 17,200 for each unit | |
Maximum External Press Drop on Rad | 0.5 inches H2O |
| ||
Max air temp to radiator º F (derates apply) | 140 º F |
| ||
Max ambient temperature º F (derates apply) | 120 º F |
| ||
Combustion Air Requirements |
|
|
| |
Flow at Rated Power ( cfm) | 1174 cfm Total. | 618 cfm + 556 cfm |
| |
Exhaust |
|
|
|
|
Exhaust Flow @ FL | 4017 CFM for the 2 units | 2257 CFM + 1760 CFM | ||
Exhaust Temperature ( Average) | 1128 |
| ||
Exhaust Outlet per engine | 1 @ 4.0" NPT |
| ||
Power Adjustments | 350 kW Standby |
| ||
Temperature 2% for every 10 º C above | 40 º C |
| ||
| 1.0% for every 10 º F above | 104 º F |
| |
Altitude 0.7% for every 100 m above | 1066 Meters |
| ||
2.0% for every 1000 ft above | 3500 Feet |
| ||
* Note: Temperatures will require necessary derates be applied. Unless otherwise noted, all data at 480 volt wye - 1.0 PF.
