In his basic example, he examines the frequency content of a synthetic line voltage
that is created by summing the sinusoidal signals and a noise component.
FAILURE SITUATIONS OUTPUT VOLTAGE RANGE Positive switch open circuit -2[V.sub.DC] ~ [V.sub.DC] Positive switch short circuit -[V.sub.DC] ~ 2[V.sub.DC] Negative switch open circuit -[V.sub.DC] ~ 2[V.sub.DC] Negative switch short circuit -2[V.sub.DC] ~ [V.sub.DC] Table II: COMPARISON BETWEEN NORMAL OPERATION AND FI FAULT Normal Operation F1 Fault Modulation Index 1 .8 THD (phase voltage) 28.42% 32.37% THD (line voltage
) 16.12% 21.17% Output voltage level 5 4 Table II: COMPARISON BETWEEN NORMAL OPERATION AND F2 FAULT Normal Operation F2 Fault Modulation Index 1 .8 THD (phase voltage) 28.44% 32.38% THD (line voltage
) 14.39% 18.86% Output voltage level 5 4
The BYPass lamps can now run off line voltage
or work directly with magnetic ballasts, and we've introduced lower lumen options for replacing lower wattage CFL lamps."
Once the waveform is captured, the new IntellaSet(TM) intelligent measurement detection automatically selects key measurements based on the acquired waveform type and displays the most relevant measurement values (for example, Vrms and Hz for a line voltage
signal, or Vpeak-peak and Hz for a square wave), helping technicians easily identify and characterize potential signal faults.
BLDC drives (120 VAC / 240 VAC, single phase) typically produce 160/320 armature voltages as designed for optimum performance.
First, it monitors line voltage
and shuts down the unit when it detects the kind of low-voltage conditions that happen frequently during high-use summer months.
* The servo motors are fully compatible with the ElectroCraft Complete Power Plus series of line voltage
servo amplifiers and PRO series DC input controller/ amplifiers.
A menu switch displays system parameters and alarm messages, such as power failures, line voltage
failure surges or when the collector temperature rises above -40 C.
Provolt occupancy sensor models cover line voltage
occupancy sensing, daylight harvesting and manual-ON/auto-OFF override control in a single unit with no special control stations needed.
The rms fundamental line voltage
for a square wave inverter is given by