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NetSure V200D50 DC Power Retrofit Installation & User Manual (UM486527803)
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Rev. F
9
Overshoot or undershoot is ≤5% and within ±1% of the regulation band, ≤4 ms at 50
µ
s for load changes
at 10%-90% and 90%-10%.
Regulation (via MCA)
a)
Static: The Power System MCA controls the steady state output voltage to within ±0.5% of any voltage
setting within the range of 44.0 to 58.0 volts DC for any and all combinations of load from no load to full
load, input voltage, and input frequency at a constant ambient temperature. If the MCA's regulation
feature is disabled for any reason, steady state regulation is ±1.0% as controlled within the Rectifiers.
b)
Dynamic Response: For any step load change from 10% to 90% or from 90% to 10% of full rated load
within 250 microseconds, shall not cause the voltage measured at the output to overshoot or
undershoot more than 5% of the regulated output level within 1 millisecond. The output voltage must
return and stay within the ±1% regulation band within 4 milliseconds and within the ±0.5% regulation
band within 3 seconds.
Any step change of the line voltage within the range of 176 to 264 volts shall not cause the output
voltage to deviate outside the ±0.5% regulation band.
Filtering (with or without battery): Typical readings were taken at nominal input voltage, nominal output
voltage, 50% load, and 25° C ambient.
a)
Voice Band Noise: Complies with Telcordia GR-947-CORE.
1.
Typically 13 dBrn C-message weighting. Does not exceed 32 dBrn C.
2.
Typically 0.100 millivolts psophometric. Does not exceed 1 millivolt psophometric.
b)
Wide Band Noise: Complies with Telcordia GR-947-CORE.
1.
Typically 150 millivolts peak-to-peak. Does not exceed 200 millivolts peak-to-peak
2.
Typically 10 millivolts rms. Does not exceed 30 millivolts rms.
AC Input Ratings
Voltage: Nominal 208/240 volts AC, single phase, 60 Hz, with an operating range of 176 to 264 volts.
Acceptable input frequency range is 45 to 65 Hz.
Safe Voltage: The system can tolerate 415 volts AC without damage.
THD (Total Harmonic Distortion): < 5% THD at 50% - 100% load. The voltage source must have a voltage THD
of < 1.1%. The rectifiers comply with EN61000-3-2.
Inrush Current: Peak does not exceed 1.5 times the steady state peak value of the input current at full load,
nominal input voltage, and for any duration of AC input interrupts. Under the above conditions, standard AC
distribution circuit breakers will not trip.
