TEL TAVRIDA ELECTRIC VCB15 LD, User Manual

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5
1.1 Abbreviations
AC Actuator coil
AS Auxiliary switch
EMC Electromagnetic capability
CM Control Module
CO Close - Open operations cycle
Com Common point of contact
I/O Input / Output
ISM Indoor Switching Module
LED Light emitting diode
(P)MCB Protective miniature circuit breaker
PS Position switch
NA Not applicable
NC Normally closed contact
NO Normally open contact
PCD Pole center distance
USB Universal Serial Bus
VCB Vacuum Circuit Breaker
VI Vacuum interrupter
HD ISM Heavy duty ISM
LD ISM Light duty ISM
1.2 Definitions
Closing time
The closing time is the time period from the moment the close command is applied to the CM to the time when all
ISM poles make contact.
Opening time
The opening time is the time period from the moment the trip command is applied to the CM to the time when all
ISM poles are separated.
Break time
The break time is the time period from the moment the trip command is applied to the CM to the time when the
arcs in all phases are extinguished.
This Product Guide describes the Vacuum Circuit Breakers manufactured by Tavrida Electric.
Tavrida Electric circuit breakers are designed for rated voltages up to 24 kV.
Vacuum Circuit Breakers described in the current document can be used in various kinds of switchgear and RMUs
and are intended to perform switching operations in network rated and faulty modes.
The breakers are comprised of following main components:
• Indoor Switching Module (ISM) - The air insulated ISM incorporates Tavrida Electric vacuum interrupters with mon-
stable magnetic actuators and solid dielectric insulating materials. No SF-6 or oil insulation is used in the ISM;
•
• Control Module (CM) - The CM is a microprocessor based controller that provides ISM operation, protection
and data logging functions;
•
• Kits - The kits of components are used to provide circuit breaker application properties.
This guide contains information on switching operations, required check-ups and maintenance, as well as service
and disposal procedures. The purpose of the document is to provide necessary product information for users
providing installation, commissioning and utilizing installed equipment.