
IES-302 Bay Control Unit
IES-302 bay control unit is a general purpose control and automation device in all substations, powerplants and industrial domain applications. The modular conception permits the hardware adaption exact to client requirements. It adopts unified software and hardware platform, supports comprehensive functions including protection, control, measurement and monitoring, is easy to use and maintain.
The device is freely programmable. Functional logic diagrams can be developed with the use of graphical programming tool which also supports the configuration of binary inputs and outputs, analog inputs, control buttons, LEDs, disturbance recorder, event recorder, and user interface. Freely programmable logic makes it possible to modify typical functional logic diagrams considering a peculiar nature of the protected object. Three basic types of standard 19” case help to choose the most appropriate solution.
IEEE
IEC

Features
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01
Widely Application
Wide range of applications: It is suitable for a variety of application scenarios, and can be applied in single CB, dual CB, 3/2 whole diameter, multi-segment bus (maximum 4 segments), power transformer (2-windings, 3-windings or autotransformer), multi-bays (maximum 6 bays), IO-box, etc.
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02
Highly Flexible
Offers optional functions including voltage, current, power, and frequency protection, which form a complete backup protection.
Supports DC analog input and DC analog output. -
03
Multiple Funtion
Support rich control functions, with optional functions as synchronization, reclosing, AVR, etc. HMI operation is simple and easy to use, providing single-line diagram display and control functions.
Provide up to 15th harmonic measurement, as well as function of energy metering and power quality calculation. -
04
Easy Maintenance
Remote control, measurement, and other components are open to users for configuration. Each slot on the hardware can be assigned with I/O.
Technical Specifications
Download
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Standard
IEC 60225-1: 2009
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Dimensions (W×H×D)
455×266.7×233.5mm(6U,without Mounting bracket)
221.3x266.7x233.5mm(6U 1/2,without Mounting bracket)
160.3x266.7x233.5mm(6U 1/3,without Mounting bracket) -
Mounting Way
Flush mounted、semi-flush mounted、wall mounted、panel mounted
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Material
Stainless steel
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Protection Class
Front panel:IP54
Side panel:IP40
Rear panel:IP30 -
Communication Ports
2 or 4 100Base-TX RJ45 Ethernet ports
2 or 4 100Base-FX optical ports
2 RS-485 serial ports for SCADA communication
1 RS-485 serial port for clock synchronization
1 front RJ45 port for debugging -
Communication Protocol
IEC 61850 Editions 1&2&2.1
IEC 60870-5-103
IEC 60870-5-104
DNP3.0
Modbus
IEC 62439 Parallel Redundancy Protocol (PRP)
IEC 62439 High-availability Seamless Redundancy (HSR)
IEEE 802.1w Rapid Spanning Tree Protocol (RSTP) -
Clock Synchronization
IRIG-B: IRIG-B via serial port
PPS: Pulse per second (PPS) via serial port or binary input
IEEE 1588: Clock message based on IEEE 1588 via Ethernet network
SNTP: Unicast (point-to-point) & broadcast SNTP mode via Ethernet network -
Functions
Phase overcurrent protection (50/51P)
Earth-fault protection (50/51G)
Negative-sequence overcurrent protection (50/51Q)
Undercurrent protection (37)
Phase overvoltage protection (59P)
Positive-sequence overvoltage protection (59Pos)
Negative-sequence overvoltage protection (59Q)
Residual overvoltage protection (59G)
Phase undervoltage protection (27P)
Overfrequency protection (81O)
Underfrequency protection (81U)
Reverse power protection (32R)
Breaker failure protection (50BF)
Transfer trip (TT)
Auto-reclosing (79)

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