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TP48200A-DT19D1 Telecom Power User Manual

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Electrical Specifications

Electrical Specifications

Table A-2 Electrical specifications

Item

Specifications

AC input

Input system

220/380 V AC three-phase, four-wire, compatible with 220 V AC single-phase

Input voltage

85–300 V AC

Input frequency

Frequency range: 45–66 Hz; nominal frequency: 50 Hz or 60 Hz

PF

≥ 0.99 (load percentage ≥ 50%)

THD

≤ 5% (load percentage ≥ 50%)

DC output

Output voltage range

–42 V DC to –58 V DC

Default output voltage

–53.5 V DC

Output power

Maximum output power = Output power of a single rectifier x Number of rectifiers

Regulated voltage precision

≤ ±1%

Ripple and noise

≤ 200 mVp-p

Psophometrically weighted noise

≤ 2 mV

Current imbalance

< ±5% (20%–100% load)

AC input protection

AC input overvoltage protection threshold

> 300 V AC

AC input overvoltage recovery threshold

When the voltage is restored to 290 V AC, the output resumes.

AC input undervoltage protection threshold

< 85 V AC

AC input undervoltage recovery threshold

When the voltage is restored to 90 V AC, the output resumes.

DC output protection

DC output overvoltage protection threshold

–58.5 V DC to –60.5 V DC

  1. If overvoltage occurs due to an internal fault, the rectifier locks out.
  2. If the external voltage is greater than –63 V for more than 500 ms, the rectifier locks out.

AC surge protection

Nominal lightning strike discharge current: 20 kA (8/20 µs); maximum lightning strike discharge current: 40 kA (8/20 µs)

DC surge protection

Differential mode: 10 kA (8/20 µs); common mode: 20 kA (8/20 µs)

Safety and regulatory design

IEC/EN60950-1 and IEC/EN60950-22

Mean time between failures (MTBF)

200,000 hours (30°C)

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Updated: 2019-11-27

Document ID: EDOC1000078784

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