Legrand Keor S 3000 Инструкция по эксплуатации онлайн
87045 LIMOGES Cedex
Telephone (+33) 05 55 06 87 87 - Fax (+33) 05 55 06 88 88
TABLE OF CONTENTS Page
1. General features .................................... 1
2. Technical features .................................1
3. Rear panel drawing................................2
Legrand UPS model Keor S 3000 is an uninterruptible power source
with IGBT switching technology, high frequency PWM technology,
Double Conversion On-line, Rated Power 3 kVA – 2.4 kW.
The architecture of this UPS means it can be installed in a Tower
configuration. Two different models are available as internal
configuration; internal battery only or input isolation transformer with
internal battery. Addition to these configurations, simultaneous using of
both internal and external battery is possible by DC switch protections.
Batteries are lead acid, sealed, free maintenance, valve regulated, and
arranged, inside the UPS or external battery cabinet. Internal battery
configuration is sized to guarantee a minimum uptime of 8 minutes and
at 80% of 0,9PF load.
The rectifier of the UPS is comprised of a control and regulating circuit
(PFC), which, in addition to normal rectifier functions also:
• Automatically corrects the power factor of the load to restore it to a
value of >0.99 with a load applied at the output at 100% of the rated
load;
• Supply the inverter without requiring energy from the batteries, even
when the mains voltage is very low;
• Ensures low total harmonic distortion of the input current without the
addition of filters or supplementary parts.
The bypass circuit is designed and built in compliance with the
following:
− Electromechanical switch
− Command and control logic managed by a microprocessor that:
• Automatically transfers the load directly onto the primary mains line
without interrupting the power supply if any conditions of overload,
over temperature, continuous voltage outside of the tolerances and
inverter anomaly arise;
• Automatically re-transfers the primary mains line load to an inverter
line, without interrupting the power supply, once normal conditions of
the load have been restored;
• If the primary mains line and the inverter are not synchronised, the
bypass must be disabled.
The inverter of the UPS is comprised of IGBT technology which
provides:
• Ensures low total harmonic distortion at the output voltage and
0,8 power factor;
• Provides high efficiency with transformerless design;
• Supply the load with regulated voltage and frequency.
1. GENERAL FEATURES
A dedicated software of remote monitoring and management, installed
on a PC connected to the UPS, allows to check and set all working
parameters of Keor S and furthermore, to schedule and program
computer remote shutdown. Optional software or Net Interface card
(SNMP) allows the multi server shutdown and UPS remote control on
the LAN. Also, standard interface board comes with;
• RS232 Serial Communication Port
• Emergency Power Off (UPS OFF)
• Generator Contact (GEN ON)
• Smart Slot (for optional SNMP)
Keor S is managed by a microprocessor and is able to display, on
a control panel and LCD screen, the alarms and operating modes
described below:
• Line Mode,
• Backup Mode,
• ECO Mode,
• Bypass Supply,
• Battery Low,
• Battery Bad/Disconnect,
• Overload,
• Transferring with interruption
• UPS Fault normal operation
It is possible to change output voltage by 220V, 230V, 240V and
frequency by 50Hz or 60Hz from front control panel of Keor S 3kVA.
Addition to this, Keor S can be used as 50Hz to 60Hz (or vice versa)
Frequency Converter with or without batteries as standard.
Input, Output and Battery connections are hardwired and protected by
suitable MCBs.
Backfeed protection provides additional protection at the input in the
event of bypass thyristors are short circuited.
The internal backfeed protection provides safety when fault situation
occurs in static bypass line and prevents upstream energy to the input.
Keor S 3kVA Static Uninterruptible Power Supply bears the CE
marking, pursuant to Directives 73/23, 93/68, 89/336, 92/31, 93/68,
and is designed and built in compliance with the following standards:
• EN 62040-1 “General and safety requirements for UPSs used in
areas that are accessible to the operator”
• EN 62040-2 “Electromagnetic Compatibility requirements (EMC)”
• EN 62040-3 “Performance and test method requirements”
Data sheet: UPS-LGR-0087/GB 03/11/2014Update: 03/11/2014
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Keor S 3000
3 101 21 – 3 101 22 – 3 101 23 - 3 101 25
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