_, ,_, � •' -- '� 1 -• �C Electrical System' Design . > • .' • Hydroelectric T-G Control Systems • Generator Control & Protection Systems • Generator Excitation System Application • Emergency Backup Systems • System Power Factor Correction • Power Distribution Systems • Automation Control • System Protection • Drive Systems Application • SCADA Control Systems • Diesel GenSet Control Upgrade • Synch Motor Control Systems • Synch Condenser Control Systems _.,: jurnkey Installation Upgrade Packages • I ' , • Generator Excitation Systems • Generator Voltage Regulator Systems • Power System Stabilizers • Generator Auto/Man Synchronizing Systems • Generator Protection Systems • Interface to Plant Control • System Monitoring & Trending • Synch Motor Control Systems • Synch Condenser Control Systems • Medium Voltage Switchgear Systems • Hydroelectric T-G Control Systems • Drive Systems • Automation Control Systems E 2 Power Systems, LLC Electrical Engineering Services 8115 Shaffer Parkway, Littleton CO 80127 TEL 303. 988.665 9 FAX 303. 988.5714 WEBSITE www.e2powersystems.com . .• - . . Generating Syste_m On-Site Services ;iYtconsuliing Services . " · ·. =, _ .. n,. ,� ., • • � • • • • Load Flow Reviews • Short Circuit Analysis • Protection Setting & Coordination • Arc Flash Hazard Review • System Evaluation & Enhancement Study • Spec / Procedure Development • Expert Witness • System Feasibility • Mining Electrical System Reviews • PE Reviews & Inspections • Protective Relay & Meter Calibration · • Demand Power Analysis • Insulation Power Factor Testing • Unit & Auxiliary Transformers • HV Switchgear & MCCs • IPP / Utility Acceptance Testing • Drive Systems (VFD & L(I) • Ground System • • • • • • • • • • • System Troubleshooting & Maintenance Protective Relay Calibration Power System Stabilizer Commissioning Excitation System Tuneups Voltage Regulator System Tuneups NERC Compliance Testing Startup & Testing Services Technical Direction Services Construction Management Technical Training Seminars Third Party Technical Representative
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• Expert Witness• System Feasibility• Mining Electrical System Reviews
• PE Reviews & Inspections
• Protective Relay & Meter Calibration ·
• Demand Power Analysis
• Insulation Power Factor Testing
• Unit & Auxiliary Transformers
• HV Switchgear & MCCs
• I PP / Utility Acceptance Testing
• Drive Systems (VFD & L(I)
• Ground System
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•
•
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•
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•
•
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System Troubleshooting &MaintenanceProtective Relay Calibration Power System Stabilizer CommissioningExcitation System Tuneups Voltage Regulator System Tuneups NERC Compliance TestingStartup & Testing Services Technical Direction Services Construction Management Technical Training SeminarsThird Party Technical Representative
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Allowable Ampacities of Insulated Conductors Rated 0-2000 Volts, Not More Than Three Conductors in Raceway or Cable or Earth (Directly Buried), Based on Ambient Temperature of 30°C (86°F) - Reference Onl�. See NEC Table 310-16 for Details.
SIZE TEMPERATURE RATING OF CONDUCTOR 75°C (167°F) 90°C (167°F)
TYPES TYPES FEPW TBS, SA
RH, RHW SIS, FEB AWG THHW, THW FEPB, Ml kcmil THWN, XHHW RHH, RHW-2
Active & Reactive Power Flow in Same Direction LEADING PF:
Active & Reactive Power Flow in Opposite Directions
Useful Electrical Formulas for Determining Amperes, Horsepower, Kilowatts, and KVA
To Find Direct Alternating Current
Current Single Phase Three Phase E = Volts
Amperes when HP x 746 HP x 746 HP x 7 46 I= Amperes Horsepower is known ExEff EX Eff X PF 1.73 x E x Eff x PF
KVA = Kilovoltamperes Amperes when KW x 1000 KW x 1000 KW x 1000 Kilowatts are known E EX PF 1.73 x Ex PF HP= Horsepower Amperes when KVA KVA x 1000 KVA x 1000 PF = Power Factor is known E 1.73 x E
Kilowatts hl IX EX PF Ix Ex 1.73 x PF Eff = Percent Efficency 1000 1000 1000 KW= Kilowatts
KVA hl Ix Ex 1.73 1000 1000 Eff = Output
Horsepower - (output) lxExEff I X EX Eff X PF I x E x 1.73 x Eff x PF Input 746 746 746