NEPSI

The Most Trusted Name in Power Factor Correction and Harmonic Filtering

CALCULATORS FOR USE IN POWER FACTOR CORRECTION


The calculators provided on this web page may be utilized in the design and application of power capacitor banks and harmonic filter systems.

CALCULATION

KNOWN VARIABLES

UNKNOWN

actiVARTM - Motor Start Xs, Xr, Vp, Vs, actiVARTMrating, Ilocked rotor Vsag, Vdrop Calculate
Capacitance - Capacitors connected in Parallel C1, C2, C3, C4 CTOTAL Calculate
fCAP1, fCAP2, fCAP3, …, XCAP1, XCAP2, XCAP3…. CTOTAL Calculate
VCAP1, VCAP2, VCAP3 ...
fCAP1, fCAP2, fCAP3 ...
XCAP1, XCAP2, XCAP3, ...
CTOTAL Calculate
Capacitance - Capacitors connected in Series C1, C2, C3, C4 CTOTAL Calculate
Capacitive Reactance of Single Phase Capacitors CCAP, fCAP Xc Calculate
VCAP, KVARCAP Xc Calculate
Compensated Load KVA KW, KVA, PFDESIRED KVACOMPENSATED Calculate
KVAINITIAL, PFINITIAL, PFDESIRED KVACOMPENSATED Calculate
KW, PFINITIAL, PFDESIRED KVACOMPENSATED Calculate
KW, KVARINITIAL, PFDESIRED KVACOMPENSATED Calculate
Compensated Load KVAR KVAINITIAL, PFINITIAL, PFDESIRED KVARCOMPENSATED Calculate
KW, PFINITIAL, PFDESIRED KVARCOMPENSATED Calculate
KW, KVARINITIAL, PFDESIRED KVARCOMPENSATED Calculate
Crest Current I1, I2, I3, I4, etc… ICREST Calculate
Crest Factor (Current) I1, I2, I3, I4, etc… CF Calculate
Crest Factor (Voltage) V1, V2, V3, V4, etc… CF Calculate
Crest Voltage V1, V2, V3, V4, etc… VCREST Calculate
Ithd - Total Harmonic Voltage Distortion (%) I1, I2, I3, I4, etc… Ithd  (%) Calculate
IVthd - Total Harmonic Voltage Distortion (PU) I1, I2, I3, I4, etc… Ithd(PU) Calculate
KVA Reduction KW, KVA, PFDESIRED KVAREDUCTION Calculate
Load KVA KW, PFINITIAL, PFDESIRED KVA Calculate
KW, KVARINITIAL, PFDESIRED KVA Calculate
Loss Reduction in Correct PF (%) PFINITIAL, PFDESIRED LOSSREDUCTION (%) Calculate
Motor Start Xs, Xr, Vp, Vs, actiVARTMrating, Ilocked rotor Vsag, Vdrop Calculate
Peak Current I1, I2, I3, I4, etc… IPEAK Calculate
Peak Inrush Current (Back-to-Back Switching) kVLL, KAsc, Frequency, KVAR, µH IPEAK Calculate
Peak Inrush Current (Single Bank Switching) kVLL, KAsc, Frequency, KVAR, µH IPEAK Calculate
Peak Inrush Current Frequency (Back-to-Back Switching) kVLL, KAsc, Frequency, KVAR, µH f (HZ) Calculate
Peak Inrush Current Frequency (Single Bank Switching) kVLL, KAsc, Frequency, KVAR, µH f (HZ) Calculate
Peak Voltage V1, V2, V3, V4, etc… VPEAK Calculate
Power Factor (PF) KW, KVARINITIAL, PFDESIRED PF Calculate
kW, KVA PF Calculate
kW, KVAR PF Calculate
Power Factor (PF) (1-phase) KW, KVAR PF Calculate
KVLN, I, PF Angle PF1Ø Calculate
KVA1Ø, KW PF Calculate
KVA1Ø, KVAR PF Calculate
Power Factor (PF) (3-phase) KW, KVAR PF Calculate
KVA3Ø, KW PF Calculate
KVLL, I, PF Angle PF Calculate
KVA3Ø, KVAR PF3Ø Calculate
Power Factor Angle (PF Angle) kW, KVA Ɵ (Degrees) Calculate
kW, KVAR Ɵ (Degrees) Calculate
Power Factor Angle (PF Angle) (1-Phase) KVA1Ø, KW Ɵ (Degrees) Calculate
KVLN, I, PF PF Calculate
KVA1Ø, KVAR Ɵ (Degrees) Calculate
Power Factor Angle (PF Angle) (3-Phase) KVA3Ø, KW Ɵ (Degrees) Calculate
KVLL, I, PF PF Calculate
KVA3Ø, KVAR Ɵ (Degrees) Calculate
Power Factor Compensation Chart KW, PFPRESENT, PFTARGET, Step KVAR, Dead Band Width Var Switching Levels Calculate
Reactive Power kW, KVA KVAR Calculate
kW, KVAR KVAR Calculate
Reactive Power (1-Phase) KVLN, I, PF KVAR Calculate
KVLN, I, PF Angle KVAR Calculate
KVA1Ø, KW KVAR Calculate
Reactive Power (3-Phase) KVLL, I, PF Angle KVAR Calculate
KVLL, I, PF KVAR Calculate
KVA3Ø, KW KVAR Calculate
Reactive Power Required to Correct PF KW, KVA, PFDESIRED KVARREQUIRED Calculate
Real Power (1-Phase) KVLN, I, PF KW1Ø Calculate
KVLN, I, PF Angle KW1Ø Calculate
KVA1Ø, KVAR KW1Ø Calculate
Real Power (3-Phase) KVLL, I, PF Angle KW3Ø Calculate
KVLL, I, PF KW3Ø Calculate
KVA3Ø, KVAR KW3Ø Calculate
Real Power (kW) KVAINITIAL, PFINITIAL, PFDESIRED KW Calculate
Released KVA KVAINITIAL, PFINITIAL, PFDESIRED KVARELEASED Calculate
KW, PFINITIAL, PFDESIRED KVARELEASED Calculate
KW, KVARINITIAL, PFDESIRED KVARELEASED Calculate
Required Reactive Power Compensation (kvar) KVAINITIAL, PFINITIAL, PFDESIRED KVARREQUIRED Calculate
KW, PFINITIAL, PFDESIRED KVARREQUIRED Calculate
KW, KVARINITIAL, PFDESIRED KVARREQUIRED Calculate
RMS Current I1, I2, I3, I4, etc… IRMS Calculate
RMS Voltage V1, V2, V3, V4, etc… VRMS Calculate
Short Circuit Capacity (KVAsc) Capacitor Bank kvar Rating, XFMR KVA, Transformer Impedance (%) KVAsc Calculate
Capacitor Bank kvar Rating, kVLL, KAsc KVAsc Calculate
Total Power (1-phase) KW, KVAR KVA3Ø Calculate
KVLN, I KVA1Ø Calculate
KVLN, I, PF KVA1Ø Calculate
KVLN, I, PF Angle KVA1Ø Calculate
Total Power (3-phase) KW, KVAR KVA3Ø Calculate
KVLL, I KVA3Ø Calculate
KVLL, I, PF Angle KVA3Ø Calculate
KVLL, I, PF KVA3Ø Calculate
Voltage Rise (%) Capacitor Bank kvar Rating, KVAsc VRISE (%) Calculate
Capacitor Bank kvar Rating, XFMR KVA, Transformer Impedance (%) VRISE (%) Calculate
Capacitor Bank kvar Rating, kVLL, KAsc VRISE (%) Calculate
Voltage Rise (kV) Capacitor Bank kvar Rating, kVLL, KAsc VRISE(kV) Calculate
Vthd - Total Harmonic Voltage Distortion (%) V1, V2, V3, V4, etc… Vthd (%) Calculate
Vthd - Total Harmonic Voltage Distortion (PU) V1, V2, V3, V4, etc… Vthd  (PU) Calculate

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