www.entecene.co.

kr

Solid insulated vacuum

recloser ​for power

 distribution system thru

15kV, 27kV, 38kV

Version 3.3
ultraviolet resistance and high tensile
General features strength. The control cubicle is heat
insulated with polyurethane to minimize
temperature variation and protected from
We, ENTEC introduce a Solid Insulated solar heating as adopting sunshine cover to
Vacuum Recloser encapsulated with the outside and heat insulation inside of
Hydrophobic cycloaliphatic epoxy materials. control cubicle.

The Solid Insulated Vacuum Recloser is Vents of the control cubicle are screened
designed for the inherently reliable, against vermin’s entry and door is sealed
intelligent automation and environmentally with a rubber gasket. Especially all
friendly, completely oil free and gas free. electronic parts built in microprocessor
control are fully protected from entry of
The mechanism is enclosed in a powder moisture and condensation able to use any
coated stainless steel and Hydrophobic places where tropical, moderate and severe
cycloaliphatic epoxy resin bushing is bolted humidity area is located on.
on to the stainless steel enclosure.
The mechanism is operated by a magnetic
The Hydrophobic cycloaliphatic epoxy actuator which the opening and closing
advantages are permanent flexibility, solenoid is respectively equipped with. As
superior surface arc tracking resistance, the actuator uses magnetic latching, the
hydrophobic preventing continuous track mechanical parts are drastically reduced,
from forming leakage current paths,
 resulting from high reliability and to incorporate the functions of an
maintenance free operation during the life overcurrent protection relay, a ground fault
time. relay, a sensitive earth fault relay and to
The operation of recloser uses a measure line current, voltage, real and
low-voltage power source supplying from reactive power, power factor, demand,
low voltage distribution line by utility or watts and VARs, frequency and so on.
auxiliary transformer and a fully charged
battery and trip and close capacitors All the measured values and event records
provide recloser operation over hundreds of are stored in the microprocessor control for
open-close operations as back-up upon data management or off-line analysis. The
loss of control power. recloser functions, settings and data
records are programmable and readable
This allows relcloser operation independent with PC or remote communication.
of the high voltage supply, the low voltage Personal computer based on software
supply and the battery and capacitor package supports on-line and off-line
conditions with dead line operation programming, monitoring, measuring and
capability required for SCADA and control of relcoser via communication port.
distribution automation. All remote communication can be
supported with DNP3.0, MODBUS,
A current transformer and a capacitive/ IEC60870-5-101/104 communication
resistance voltage divider are moulded in protocols.
the epoxy housing. These sensors provide
The The advantages of hydrophobic advantages of magnetic actuator

cycloaliphatic epoxy(HCEP) encapsulation

- Environmentally friendly, oil and gas free - Proven performance in outdoor use -
Compact, light weight, easy for
transportation - Superior surface arc tracking resistance - Excellent hydrophobicity -
Highly resistant against moisture absorption - Ultraviolet resistance - Outstanding
tensile characteristics
- Elimination of mechanical latches and
associated linkage provide reliable and trouble free operation - Dramatic reduction in
moving parts provides
maintenance free and ten thousand operations without periodic maintenance -
Compact, light weight and minimum
mounting space - High response time in instantaneous reclosing - Reduced installation
and operating cost
- Improved performance in heavily polluted areas
Pole Installation
 Substation Installation

Average load profile & waveform

User TCC construction capability Time synchronization and Position Information by ​time

synchronization module (GPS/IRIG) support Three

​ curve standards: IEEE, IEC and 37non-

standard inverse time curves Protective

​ settings in nonvolatile memory ​during power failure
Delay time overcurrent protection(51P, 51G) Instantaneous overcurrent protection(50P, 50G)
Negative sequence overcurrent protection(46) ​SEF protection Source
​ and load side
synchronism check Cold load pickup and sequence coordination Under/Over-freguency and
load shedding(81) Under/Over-voltage, detection and alarm(27,59) Directional controls(67)
Fault Locator Hotline Tag Element Loss of phase Loop control Function

Fault events & 15 Cycles waveform Editor for TCC modification

Microprocessor Based Recloser Control

EVRC2A

Features
Reduced distribution automation costs RTU andMicrosoft
control Windows-based ETIMS interface software
DynSync Software that can monitor and control a rem
mounted in one control cubicle ​with space for modem DNP​
controller Monitoring of Power Quality Management
3.0, MODBUS, IEC60870-5-101/104 communication
Supply Outage, ​Sag, Swell, Unbalance and Harmon
protocols and SCADA capability ​ 12Vdc ~ 24Vdc auxiliary
Monitoring of recloser contact maintance (contact we
power available for modem Voltage, current andtrippower
count) Time synchronization module (GPS/IRIG)
metering Record of operation, fault waveform data for line
Live Load Blocking ​Protections
and load profile data Un-interruptable
​ power supply with trip
EVRC2A cubicle
and close Inner heat insulation for polyurethane foaming
ETR300-R includes common features associated with EVRC2A and provides more
enhanced functions in protection, monitoring, metering, communication and recorder.
ETR300-R can also support your power distribution system to be more reliable with
power quality management (PQM) function.

Enhanced features
Analysis of current/voltage normal & negative
sequence for power quality monitoring.
Recording of PQM with fault waveform of 128
sampling and 20 cycles. Harmonics analysis of
electric data. (THD/TDD content ratio)
Monitoring of Sag, Swell, Interruption, Over &

Under ​voltage, Unbalance, Over & Under

Frequency, Harmonics and etc. Improvement

​
of fault detection algorithm Improved
measuring accuracy Multi-Protocol support.
(DNP3.0, MODBUS, IEC60870-5-101/104 &
IEC61850) User programmable logic(PLC)
support Alarm Current Monitoring. Loop control
Measuring ​- Current - Voltage Remote Communication -​
(Source Side & Load Side) - RS-232 & 485 ports, RJ45(TCP/IP) -
Measures KW and KWH, power DNP3.0, MODBUS,
factor, demand Watts and VARs, IEC60870-5-101/104
frequency, and Energy - Load profile Communication protocols - Built
data & oscillogram - Unbalance & in RTU - Complete remotely access
Harmonics
for recloser records - SMS service support.
functions, settings, meterings and data

Microprocessor Based Recloser Control

ETR300-R

Interface Software
guration DNP Index Reconfiguration

PLC Editor
Technical Control Specifications ​RATINGS
Rated frequency
50 / 60 Hz Control voltage
110-240VAC / 125VDC(Option)
ENVIRONMENTAL
Operating temperature
-40​​ ​to +85​​ ​Humidity
100% Degree of protection
IP55 Insulation test voltage
2kV 50/60Hz, One minute Impulse voltage withstand
6kV Peak, 1.2/50​ɫ ​ANSI C62.45, IEC 61000-4-5 Interference test withstand
SWC ANSI C37.90.1, IEC 61000-4-4 Radio frequency interference
IEC 255-22-3 Class
GENERAL PROTECTION ​(CT ratio 1000:1A)
Phase time overcurrent
10 to 1,600 Amps in steps of 1A Phase instantaneous overcurrent
10 to 20,000 Amps in steps of 1A Ground time overcurrent
10 to 1,600 Amps in steps of 1A Ground instantaneous overcurrent
10 to 20,000 Amps in steps of 1A Sensitive earth fault(SEF)
1 to 160 Amps in steps of 1A Phase and ground time curves
IEEE C37.112, IEC255-3, User programmable curves 37 non standard inverse time curves
RECLOSE
Reclose times Reclosing(Dead) times
Programmable from 1 to 4 1​st ​reclose : 0.1-600 sec in 0.01sec steps 2​nd ​reclose: 1.0-600 sec in 0.01sec
steps 3​rd ​reclose : 1.0-600 sec in 0.01sec steps 4​th ​reclose : 1.0-600 sec in 0.01sec steps
Reset (Reclaim) times
1 to 600 sec in 0.01 sec steps
METERING ​(At rated voltage and current) ​CVD RVD
RECORDING ​Waveform capture
System event Diagnostic event Fault Event Load profile
PQM Fault events Operation events Set Change events Alarm Current event Counter Recloser wear
Current Voltage Watt hours Vars hours Demands Power factor Frequency
EVRC2A ​Last 32 events with 15 cycles & 16 samples Last 2048 events Last 512 events Last 512
events Last ​(5,10,15,20,30,60, 5120events,213days/60Min.
​ ​min interval) Last
​ 512 events Last 512 events
Trip, fault, system restart, PQM Phase A,B,C
1%
2.5%
5%
3%
3%
0.05
0.05Hz
ETR300-R ​Last 32 events with 20 cycles & ​128 samples Last
​ 2048 events Last 512 events Last 256
events Last 6144 events, 256days / 60Min. ​(5,10,15,20,30,60min interval) Last
​ 100 events Last 256
events Last 256 events Last 100 events Last 512 events Trip, fault, system restart, PQM, Communication
Phase A,B,C
, ANSI C37.90.2
1%
1%
2%
2%
2.5%
0.02
0.02Hz

Construction
�Other ratings is available upon request. �ENTEC reserves the right to change the design and specification without notice.
V terminal

Vacuum interrupter Current transformer

 H

Hydrophobic Cycloaliphatic
Epoxy Bushing

Integrated Voltage sensors

Open/Close indicator
water proof cabinet ​
Manual trip and locking lever
Manual closing shaft

Magnetic actuator

Electrical ratings
15.5 630
Description Rated maximum voltage 50/60​161
Continuous current Frequency Short circuit
interrupting current Short time withstand 640102
current. 3sec Making current Cable charging
110​5045
Interrupting current Line Charging Interrupting
current Basic impulse withstand 15.5 630
voltage(1.2×50μs) Power frequency withstand 50/60​161
voltage, dry Power frequency withstand
voltage, wet - Operating control voltage - 640102
Operating temperature - Degree of protection - 110​5045
Maximum mechanical and electrical
110-240VAC/125VDC(Optio
operations(c-o) -​ Applicable standard n) -40 to +85 IP55
kV rms A 110-240VAC/125VDC(Optio
rms​Hz kA n) -40 to +85 IP55
​
rms kA rms 10,000
kA peak A 10,000
rms A rms
kV crest IEC 62271-111, ANSI/IEEE
C37.60
kV​kV°CNo 27 630
Unit EPR-1 EPR-2 EPR-3 50/60
12.5 12.5 60/70
38 630/800
32.5​255
50/60
150​60 12.5/16
50/60 12.5/16
27 630 32.5/40​405
50/60
12.5 12.5 170​70
60/70
32.5​255
38 630/800
150​60 50/60
50/60 12.5/16
27 630 12.5/16
50/60 32.5/40​405
12.5 12.5
170​70
32.5​255
60/70
150​60 38 630/800
50/60 50/60
38 630/800 12.5/16
50/60 12.5/16
12.5/16 32.5/40​405
12.5/16
170​70
32.5/40​405
60/70
170​70
 Distributor :

225-38 Choirubaekro, Bongdam-Eup,

Hwaseong-City, Gyunggi-Do, Republic of
Korea Post code : 445-893 TEL :
+82-31-299-8340/1 FAX : +82-31-299-8401/ 2
http://www.entecene.co.kr E-mail :
entec@entecene.co.kr