Com-Power LI-1100C Instrukcja obsługi - Strona 10
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RODUCT
5.1 Overview
5.2 Product Setup
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Distributed by: Reliant EMC LLC, +1 408 916‐5750, [email protected], www.reliantemc.com
D
ESCRIPTION
The LI-1100C Line Impedance Stabilization Network is specifically designed to
provide necessary measurement platform for performing power line conducted
emissions (disturbance measurements) compliance testing as required for FCC,
CISPR, CE and other worldwide standards for commercial products.
compliant with the requirements of both CISPR 16-1-2 and ANSI C63.4.
The LI-1100C performs each of the following functions during the measurement:
• provides a defined, stable impedance throughout the measurement
frequency range;
• isolates the EUT and measurement circuit from the power source, thereby
minimizing its influence on the measurements; and,
• couples the disturbance voltages to the coaxial measurement port for
connection to the measuring instrument like EMI Receiver or Spectrum
Analyzer.
Before initiating use of LISN, ensure that,
• PE conductor is connected to ground.
• The ventilation openings are unobstructed.
• No signal or operating voltages above the permissible limits given in
specification.
• The LISN's power input port is connected to an appropriate power source
employing properly rated mains protection, as over current protection is
not provided in the LISN.
• Fan is operational.
Failure to comply with any of these points may damage the equipment and/or
pose an electrical hazard.
5.2.1 Typical connection diagrams
The LISNs can be used with single phase power sources with one set of
LISNs and also three phase power sources (requires two sets of LISNs). Given
below are the typical connection setup's for each configuration.
Figure 1: Single Phase connection with one set of LISN
LI-1100C LINE IMPEDANCE STABILIZATION NETWORK
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INSTRUCTION MANUAL
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