MiCOM Agile P24x
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Catalog excerpts

MiCOM Agile P24x - 1

MiCOM Agile P24x Rotating Machine Management Relay Improving competitiveness and performance while adapting to a rapidly changing business environment is key to any business success. New solutions must be developed to optimize return on investment and to benefit from the latest technologies. The advanced features of the MiCOM Agile P24x provide complete protection and peace of mind, as well as a comprehensive range of measurement, control and monitoring features to enhance power system diagnostics and fault analysis for both synchronous and induction machines. MiCOM Agile P24x series extends IEC 61850-8-1 station bus to include Parallel Redundancy Protocol (PRP), which offers a vendor-interoperable solution to implement redundant communications. It has the advantage of taking zero time to recover from a failure, as parallel alternative paths are continually operative. This corresponds to 25 ms or more healing time for legacy techniques such as RSTP. Application The MiCOM Agile P24x is more than a conventional protection relay. It offers numerous functions suitable and sometimes crucial for a range of applications, including: Protection Monitoring Diagnosis Fault analysis Aids to maintenance Compact, specially developed and designed for rotating machines, MiCOM Agile P24x relays perform an essential role in many industrial processes: Medium-sized and large rotating machines High inertia machines Differential protection Wide ranges of starting and stalling currents and times Wide ranges of thermal withstands under balanced or unbalanced conditions Protection and Control Comprehensive protection for both induction and synchronous machines Machine differential function Optimize machine thermal image monitoring Programmable scheme logic and programmable curves allow easy customization of the protection and control functions Cost Saving Facilitate and provide an aid to maintenance Save on wiring costs Reduce the need for transducers and measurement device Advanced Communications Redundant communications with zero downtime using optional PRP technology

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MiCOM Agile P24x - 2

P24x Rotating Machine Management Relay Functional Overview Jornmuntcavovi iRot Spow, Data Acquisition lo*» Volt Ride Ttrough& Aulo-Rcslart Always available |8-16 Digital Oplo Inputs) Rotating Machine Management Relay P24x MAIN FUNCTIONS By concept and design, the main functions are grouped into autonomous functional groups, which can be individually configured or disabled for particular applications. This notion permits a wide scope of functions, simplifying the setting procedures and providing adaptation to the protection, control and monitoring tasks under consideration.

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MiCOM Agile P24x - 3

Earth fault Directional/Non-directionnal sensitive earth fault Wattmetric characteristic Breaker failure Current transformer supervision Voltage transformer supervision Number of starts limitation Loss of load / Underpower NgcPTOC Negative sequence overcurrent Reverse power Reverse phase sequence detection Thermal overload Machine differential VtpPhsPTUV/Vt pPhsPTOV Undervoltage / Overvoltage Negative phase sequence overvoltage Anti backspin VtpResPTOV Residual overvoltage Start / Stalled protection / Motor reacceleration Locked rotor during starting Locked rotor after successful start...

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MiCOM Agile P24x - 4

P24x Rotating Machine Management Relay Protection Functions Short-Circuit (50/51) Four independent stages are available. All stages have definite time delay characteristics. Two of the stages may also be independently set to one of the nine inverse definite minimum time (IDMT) curves (IEC and IEEE and User Curve). The IDMT stages have a programmable reset time for grading with electromechanical relays to reduce autoreclose dead times and to reduce clearance times where intermittent faults occur. Stator Protection (50N, 51N, 67N) The earth fault current, which will appear following a stator...

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MiCOM Agile P24x - 5

P24x Rotating Machine Management Relay Stator Differential (87) (P243 Only) 3-phase machine differential protection is provided to detect stator phase faults. This can be set either as a percentage bias scheme with a dual slope characteristic (Figure 1) or as a high impedance scheme. When high impedance is used, additional stabilizing resistance and metrosil will be required. Voltage Protection (27/59/47) Two stages are available for undervoltages, overvoltages and negative phase sequence overvoltages. Voltage measurement mode can be selected as phase-phase or phase-neutral and operation...

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MiCOM Agile P24x - 6

P24x Rotating Machine Management Relay Advanced features provide complete protection, with the added value of measurements, control and monitoring to enhance power system diagnostics and fault analysis. Control Functions Independent Protection Settings Groups Two settings groups are provided for protection settings to allow for different operating conditions and adaptive relaying, particularly for the protection of dual-speed motors. Programmable Scheme Logic Programmable scheme logic allows the user to customize the protection and control functions. The opto-inputs, the relay outputs and...

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MiCOM Agile P24x - 7

P24x Rotating Machine Management Relay Fault Records Records of the last 5 faults are stored in non-volatile memory. The information provided in a fault record includes: • Indication of faulted phase • Protection operation • Active setting group Disturbance Records The internal disturbance recorder has 8 analog channels, 32 digital and 1 time channel. Data is sampled 24 times a cycle and typically 20 disturbance records, each of up to 10.5 seconds duration are stored in non-volatile memory. All channels and the trigger source are user-configurable. Disturbance records extracted using the...

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MiCOM Agile P24x - 8

GE's Track Record Motor and Machine Protection Relays Over 30 years of experience in motor and machine protection design. First numerical motor protection relay, OPN/ MOPN launched in 1988. MiCOM Agile motor protection series introduced in 1999, derived from previous successful ranges and user feedback. Employs latest digital techniques to enhance relay efficiency, reliability and user-friendliness. Worldwide application with over 25 000 units delivered. Compliance with the European Commission Directive on EMC Software Support Windows 98/ME/2000/NT compatible. S1 Agile...

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