Liebert 6000 A, 3000, 4000, 1500 user manual Standards, Total harmonic, Distortion THD

3.7.3Electrical Specifications of the Helios Rectifiers 200I/48 and 200E/48

The electrical specifications of the Helios Rectifiers 200I/48 and 200E/48 are listed in Table 27.

Table 27 Electrical specifications of the Helios Rectifiers 200I/48 and 200E/48

Parameter	Specification
Input voltage	Helios Rectifier 200I/48:
	380/415 V AC, three phase, 47-63 Hz
	Input voltage range: 330 to 475 V AC
	Helios Rectifier 200E/48:
	480 V AC, three phase, 47-63 Hz
	Input voltage range: 430 to 520 V AC
Input current	Helios Rectifier 200I/48: 18.3 A RMS nominal at 380 V AC input and -54 V DC, 200 A
	output (24 A RMS worst case)
	Helios Rectifier 200E/48: 15 A RMS nominal at 480 V AC input and -54 V DC, 200 A
	output (17 A RMS worst case)
Input protection	A 3 pole / 25 A circuit breaker opens all three lines.
Recommended AC	30 A, 3 pole AC circuit breaker
service input
Output voltage	Float: -46 to -58 V DC
	Equalize: 0 to 4 V DC above Float
	Maximum: -60 V DC
Output current	200 A nominal
	Adjustable between 100 and 210 A
Output protection	The rectifier is protected by a 250 A circuit breaker at the output.
	The output current is limited to a value adjustable from 50% to 105% of the rated
	capacity of the rectifier. This circuit is factory set to 205 A.
Output regulation	The rectifier output voltage is automatically regulated to remain within ±0.5% of the
	selected value under all load conditions and within the specified input voltage,
	frequency, and ambient temperature ranges. And within + 1% for any combinations of
	specified input, output and environmental conditions.
Efficiency	Efficiency is better than 89% at nominal input voltage and an output load greater than
	80 A.
Power factor	Power factor is better than 0.99 at nominal input voltage and an output load greater
	than 80 A.
Electromagnetic	The rectifier meets the FCC requirements for conducted and radiated EMI for Class
interference (EMI)	“B” equipment.
Heat dissipation	1,335 W (4,558 Btu/hr) at -54 V DC, 200 A output
Total harmonic	THD is less than 5% between half load and full load at nominal input voltage
distortion (THD)

3.7.4Standards

The following standards also apply to the rectifiers:

•ANSI Std. C62.41/IEEE Std. 587-1980, Class A and B lightning surge 6000 V, 3000 A, 1.2 x 50 ms impulse, 10 hits per second

•ANSI Std. C82.41 oscillatory surge 2500 V, 0.5 ms impulse, 100kHz positive/negative oscillat- ing decay

•Bellcore TR-TSY-000947

•IEC-950, VDE EN 60950, EN 41003

•CISPR 22, Class A

•CE mark

24 Specifications