Current Matters. The Device issue. Siemens Protection Devices Ltd. In-depth looks at some of our best and most versatile products to date

Transcription

1 Offshore Spotlight ENERGY Issue 02 Oct Current Matters Siemens Protection Devices Ltd Protecting your electrical assets... today and tomorrow The Device issue In-depth looks at some of our best and most versatile products to date 1

2 Articles A guide to the multi tasking relay training program An in-depth look at one of our best products this year Welcome to issue two Dear reader, I would like to welcome you to the second edition of Current Matters. In this edition we have details of two new additions to the Reyrolle portfolio of products. The 7SR17 Multifunction Motor Protection relay and the 7SR158 Multifunction Voltage & Frequency relay. There is also information highlighting our new software tool for performing High Impedance protection calculations. I hope that you find Current Matters both interesting and informative. I would welcome any suggestions from our readers for articles or features that they would like to see included in future editions of Current Matters. A compact and cost effective solution for High Impedance Protection. The Siemens Solution for High Impedance Protection Applications Editor John Leach Head of business development and marketing Enhancements and refinements to the Reyrolle range One of our most versatile protection devices yet! 2

3 The Virtual Relay Available soon on our website Click the buttons to step through the Settings, Instruments, Fault Data and Control Modes. Stepping in to each mode will allow you to view and edit the settings available. In the Fault Data mode, you can click the warning triangles to simulate several types of fault which might be encountered and the Virtual Relay will respond accordingly, recording fault data into the memory of the device. The Virtual Relay is an on-screen simulator which emulates almost every function of the relay which is accessible using the keypad on the fascia of the device Thank you SPDL would like to thank all respondents who took the time to complete our recent Customer Opinion Survey. Congratulations to the winners of the prize draw, they received an ipad and a kindle for participating. The results are currently being reviewed, we will update you with our progress in the next issue. 7SR17 Rho, Motor Protection Relay Fully withdrawable design Front USB port Multiple protocol options inc. Modbus Programmable from fascia 7SR17 Key Features User Logic Equations and Graphical Logic User configurable multi-coloured LED s Minimised ordering options Reydisp Software NEW PRODUCT The relays can provide protection, control, monitoring, instrumentation and metering with integrated input and output logic, data logging and fault reports. Having an extensive protection function package as standard the 7SR17 Rho can be supplied with current and optional voltage inputs to provide comprehensive integrated protection and metering ensuring the safe and secure operation of critical plant items. 3

4 The Siemens Solution for High Impedance Protection Applications Based on many years experience in the application of high impedance protection we have developed a pc software utility tool to assist the engineer with the selection of external components, provide a guide to the relay protection settings and circuit connections. The high impedance unit protection principle ensures sensitive, high speed operation for internal faults and guaranteed stability during external faults. The software tool simplifies the calculation and specification process and provides a method for recording the data, saving the engineer time. The High Impedance Software tool has been developed as part of the Reyrolle software suite and is free to download from the website. Components box / CT Shorting Relay 7XG15 and 7PG11; Auxiliary units for High Impedance Protection of Busbars and Auto transformers. Used in conjuction with the 7SR23 High Impedance Protection Relay, the High Impedance Component Box 7XG15 and its associated CT Shorting Relay 7PG1110-7AE10 provides a complete solution for the provision of High Impedance Protection. The 7XG15 Component box provides test points on the front panel of the unit, allowing all commissioning and maintenance measurements to be taken from the front of the relay panel. The use of the 7SR23 and these auxiliary units allow the entire High Impedance Protection to be mounted on the front of the protection panel, without the need for components to be internally mounted. CT supervision is provided by the 7SR23, using imbalance detection elements. CT shorting is applied upon the detection of a CT fault, and whenever a protection operation occurs. This prevents maloperation due to CT imbalance and limits the dissipation of the resistor and metrosil networks under fault conditions. These units provide a compact and cost effective solution for the provision of High Impedance Protection. Simplified engineering process. Our user friendly software is designed for use with all high impedance applications, whatever the plant arrangement, it can be used with any of the products within the Reyrolle high impedance relay portfolio with a user option to select between the 7XG15 component box and discrete components. 4

5 V<, V> V2> V0 f<,f> df/dt 27/ N 74TCC R 86 Lockout Did you know? Electromechanical Developments SPDL has a range of flyers which cover these products in more detail. These are available to download from the website. Product Announcement 7SR23 DAD High Impedance Protection Relay 7SR17 Rho Motor Protection relay Protecting your electrical assets, today and tomorrow... Description Function Overview The 7SR DAD provides comprehensive, Protection configurable high impedance 50G Instantaneous/DTL Earth protections with enhanced functionality Fault and performance. Relay functionality is 87REF High Impedance REF accessed via a familiar user friendly 87/50 Phase segregated Differential interface. Protection CT50 CT Supervision Housed in 4U high, size E6 or E8 cases, User Programmable Logic these relays provide protection, control, monitoring, instrumentation and metering with integrated input and output logic, data logging & fault reports. Communication access to relay functionality Menu navigation keys 20 character x 4 line backlit LCD is via a front USB port for local PC connection or rear electrical RS485 port for 8 or 16 Programmable Tri-colour electrical RS485 port for remote 3 fixed LEDs remote connection. Additional rear port LEDs (Option) connection options are available. Optional Communications Ports Highlights 2 rear ST fibre optic ports (2 x Tx/Rx) Configurable protections providing the Standard Monitoring Functionality + IRIG-B port following operate modes: Primary and secondary differential 1 rear RS485 + IRIG-B port 3 Pole Diff + EF currents 1 rear RS232 + IRIG-B port 3 Pole Diff + REF Binary Input/Output status 2 rear electrical Ethernet RJ45 REF1 + REF2 Trip circuit healthy/failure 2 rear optical Ethernet duplex Time and date, Time synchronizing Simplified specification and engineering commands Protocols - optional component box incorporating Fault, Event and Waveform records IEC , Modbus RTU, DNP stabilsing and voltage limiting resistors. 3.0 and optional IEC61850 protocols User selectable with programmable 1A/5A current inputs. data points Standard Communications Ports Optional IEC61850 protocol supports Communication access to relay relay-to-relay communications through functionality is via a front USB port Ethernet with GOOSE messaging. for local PC connection or rear 7SR17 - Rho Motor Protection Relay Protecting your electrical assets... today and tomorrow The 7SR17 motor protection relay range utilises the service and design experience accumulated with previous generations of Rho family products. 7SR158 Argus Voltage and Frequency Protection Protecting your electrical assets... today and tomorrow Extensive knowledge in Motor protection has enabled SPDL to develop the 7SR17 Rho relay which provides comprehensive, configurable motor protection with enhanced functionality and performance. Relay functionality is accessed via our familiar user friendly interface. Integrated Motor Protection Proven, straightforward, high performance protection! The high impedance principle provides a unit protection used in restricted earth fault, busbar and connections protection schemes. It ensures sensitive, high speed operation for familiar look and feel of the Reyrolle internal faults and guaranteed product range. stability during external faults. User Interface By incorporating the latest Standard Monitoring Functionality technology, including IEC 61850, we Primary and secondary have designed a dedicated High differential currents Impedance Relay that offers increased Binary Input/Output status protection functionality and Trip circuit healthy/failure performance, whilst retaining the Time and date, Time User Interface Fully Withdrawalable Design The 7SR158 voltage and frequency relays are numerical, multifunctional devices, with dedicated protection functions designed for connection to voltage transformers. User Configurable multi-coloured LED s Description: The relays have an extensive protection function package, which is supplemented by data storage, instrumentation, user configurable logic and data communication features. A menu based user friendly interface provides local access to relay settings, instruments and operational data. The fascia also benefits from 9 user configurable, tri-coloured LEDs and a USB port for PC access. Configuration is also made easy with the use of our free of charge Reydisp PC software, available from the website and common to all Reyrolle products. Front USB Port Monitoring & Data Functions 7SR17 User Fully Programmable configurable withdrawable from fascia multi-coloured design LED s Description: Housed in 4U high, size E4 cases, the 7SR17 Rho can provide protection, control, monitoring, instrumentation and metering with integrated input and output logic, data Minimised logging and fault reports. Front USB port ordering Key Features options Relay functionality is accessed via a familiar user friendly interface. Communication access to relay functionality is via a front USB port for local PC connection or rear RS485 port for remote connection. The relays have an extensive protection function package as Multiple User Logic Reydisp standard and can be supplied with current and optional protocol options Equations and Software voltage inputs to provide comprehensive integrated inc. Modbus Graphical Logic protection and metering ensuring the safe and secure operation of critical plant items. The thermal algorithm of these devices has been optimised in order to closely match the thermal overload characteristics of all types of motor and cooling systems. Data Communications Minimised Ordering Options Key Functions IEC ANSI Function Description User Logic Equations and Graphical Logic Single Software Package Under/Over Voltage 4 stages Negative Phase Sequence Voltage 2 stages Neutral Voltage Displacement Trip Circuit Supervision Close circuit supervison Voltage Vector Shift Under/Over frequency 6 stages Rate of change of frequency 6 stages synchronizing commands Fault, Event and Waveform records Data Communication Standard Communications Ports Communication access to relay functionality is via a front USB port for local PC connection or rear electrical RS485 port for remote connection As part of the process of continuing development and refinement of the Reyrolle electromechanical range of products, several enhancements have recently been made: For the 7PG15 range of Tripping relays, the operating time has been further reduced The 7PG17 Trip circuit supervision device has been improved to allow more reliable and consistent setting and operation A new device in the 7PG17 range was recently introduced to allow the supervision of Trip relay operating coils New variants of the 7XG22 Test block are under development to further enhance the available range This is an ongoing process and all Electromechanical Devices are being considered for further refinement and performance enhancement. 7SR158 Argus, Voltage and Frequency Protection NEW PRODUCT The 7SR158 voltage and frequency relays are numerical, multifunctional devices, with dedicated protection function designed for connection to voltage transformers. The relays have an immense protection function package, which is supplemented by data storage, instrumentation, user configurable logic and data communication features. A menu based user friendly interface provides local access to relay settings, instruments and operational data. The fascia also benefits from 9 user configurable, tri-coloured LEDs and a USB port for PC access. 5

6 Siemens Protection Devices Ltd North Farm Road Hebburn Tyne and Wear NE31 1LX