L-PRO 4000

L-PRO 4000

L-PRO 4000

Product catalog summary
Product Overview
The L-PRO 4000 is a transmission line protection relay for medium to extra-high-voltage lines, offering advanced protection, control, automation, metering, and monitoring. It is suitable for multi-breaker applications and monitoring mutual coupling in multi-circuit line applications.
Key Features
  • Intuitive setting and analysis software.
  • IEC 61850 communication via optical/copper ports.
  • Selectable single and 3 pole trip and reclose options.
  • High-speed five-zone user-defined mho or quad phase and ground distance protection.
  • 4 shot recloser with dead line/dead bus control and sync check.
  • 8 setting groups for various operating conditions.
  • Ethernet ports with unique MAC addresses for network security.
Ease of Use
The L-PRO 4000 is user-friendly, featuring Windows-based relay setting and record analysis software, flexible programmable logic, and a large LCD display for better metering.
Protection & Control
  • Primary and backup protection for transmission and sub-transmission lines.
  • Backup protection for generators, transformers, and reactors.
  • High-speed protection functions with user-defined Mho shapes or Quadrilateral phase and ground distance protection.
  • Enhanced user-configurable logic with ProLogicTM statements.
Flexible Communications
  • Multiple communication protocols including IEC 61850, DNP3, and Modbus.
  • Front panel USB and Ethernet ports for easy access.
  • Exceptional fault recording capabilities and dynamic swing recording.
Environmental and Physical Specifications
  • Operates in temperatures from -40°C to 85°C.
  • Humidity tolerance up to 95% without condensation.
  • Complies with various IEC and IEEE standards for environmental testing.
  • Available in 3U and 4U chassis with weights of 10.3 kg and 11.9 kg respectively.
Conclusion
The L-PRO 4000 is a robust relay system offering comprehensive protection and control features for transmission lines, with ease of use, flexible communication options, and compliance with international standards.
Specifications
  • Voltage and Frequency: Earth ground ports operate at 10 Vrms within 0.150 – 80 MHz.
  • Power Frequency: Binary input ports classified under IEC/EN 60255-22-7 with differential voltage at 150 Vrms and common voltage at 300 Vrms.
  • Magnetic Field: Enclosure ports withstand a continuous magnetic field of 40 A/m and up to 1000 A/m for 1 second as per IEC/EN 61000-4-8.
Procedures and Standards
  • Voltage Dips and Interrupts: AC power ports handle 30% dips for 1 period, 60% for 50 periods, and 100% for 5 to 50 periods. DC power ports handle 30% dips for 0.1 s, 60% for 0.1 s, and 100% for 0.05 s. IEC 60255-11 specifies a 100% reduction for up to 200 ms for dc power ports.
  • Damped Oscillatory: Communication ports rated at 1.0 kV common and 0 kV differential, while signal, ac, and dc power ports rated at 2.5 kV common and 1 kV differential as per IEC/EN 61000-4-12 and IEC/EN 60255-22-1.
  • Oscillatory: IEEE C37.90.1 specifies signal, ac, and dc power ports at 2.5 kV common and 0 kV differential.
  • Mains Frequency Voltage: Signal and ac power ports handle 30 V continuously and 300 V for 1 second according to IEC/EN 61000-4-16.
  • Ripple on DC Power Supply: DC power ports handle a 10% ripple as per IEC/EN 61000-4-17.
Additional Notes
The L-PRO 4000 is available with either 5 or 1 amp current input, affecting all current specifications accordingly.
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Catalog excerpts

L-PRO 4000-1

Transmission Line Protection Relay Product Overview The L-PRO 4000 provides easy-to-use, state-of-the-art comprehensive distance and directional line protection for medium to extra-high-voltage transmission lines using communication-based schemes. It provides control, automation, metering, monitoring, fault oscillography, dynamic swing recording, fault logging, event logging with advanced communications in a flexible cost effective package. Apply the L-PRO 4000 system for high speed protection and complete control in multi-breaker applications in ring or breaker-and-a-half arrangements. The L-PRO 4000 is ideal for multi-circuit line applications to monitor mutual coupling. • Easy-to-use, intuitive setting and analysis software and individual breaker monitoring) • IEC 61850 communication via optical/copper ports • 4 shot recloser with dead line/dead bus control and • Selectable single and 3 pole trip and reclose sync check • High-speed five-zone user-defined mho or quad phase • High quality fault and swing recording and event log and ground distance protection • 8 setting groups for many operating conditions • Single and multi-breaker applications (i.e. ring bus and • Ethernet ports with 2 unique MAC addresses breaker-and-a-half capability, including breaker failure accommodate network access security needs

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L-PRO 4000-2

Application • Primary and backup protection on transmission and sub-transmission lines (using pilot protection schemes) • Overhead lines and underground cables • Backup protection for generators, transformers and reactors • Ideal for multi-circuit line applications (to monitor mutual coupling via additional VT and CT inputs) Protection & Control • Protection functions — IEEE devices 21P, 21N, 25/27/59 (25C), 27, 50BF, 50LS, 50/51/67, 50N/51N/67, 46/50/51/67, 59, 60, 68, 79, 81, Dead Line Pickup (SOTF) and Weak Infeed, 59N and 60CTS • High-speed 5 zones of phase and ground distance functions —...

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L-PRO 4000-3

Flexible Communications • 2 rear ports, 100BASE-TX RJ-45 or 100BASE-FX 1300 nm multimode optical with ST style connector • Ethernet ports with 2 unique MAC addresses that easily accommodate network access security needs • Front panel USB and 100BASE-TX RJ-45 Ethernet port interfaces Substation Automation - Ethernet Ready • IEC 61850 Station Bus on a dedicated optical/copper Ethernet Port • Enhanced DNP3 SCADA communication protocol including user-selectable point lists, class support and multiple master station support • Modbus SCADA communication protocol • IRIG-B port (through BNC connector)...

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L-PRO 4000-4

Best in Class Human-Machine Interface Large LCD display, allows for better metering display Navigation controls allow for an easy experience through settings, maintenance, service and view menus New faster processor and hardware platform Programmable target LEDs provide tripping information to expedite response to systems events Unique front panel USB and Ethernet ports provide easy and fast access to settings and set up Rear optical ports ready for IEC 61850 Goose Protection & Control Function Diagram Bus 2 5050N Rec. /67 Dead Line Pickup 6 Analog Current Inputs Optional I/O 11 External Inputs...

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L-PRO 4000-5

Detailed SpecificationsL-PRO 4000 Transmission Line Protection Relay Item General Nominal Frequency Operate Time Power Supply Settings and records are stored in non-volatile memory Including relay output operation Power Consumption: 25 - 30 VA (ac) 25 - 30 W (dc) Records are stored in a circular buffer 2 x 3-phase voltage inputs for synchronizing during reclosing 2 x3-phase current inputs for protection Extra 6 currents used for recording and ProLogic input Suitable for ring bus configurations and integrated HV breaker auto-recloser 24 statements per setting group 8 (16 group logic statements...

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L-PRO 4000-6

L-PRO 4000 Transmission Line Protection Relay Item Quantity/Specs Notes Burden Burden resistance: > 10 k ohms Optional 48, 110/125 or 220/250 Vdc nominal, externally wetted External Inputs Isolation 9 isolated inputs (3U chassis) 20 isolated inputs (4U chassis) 2 KV optical isolation External Input Turn-on Voltage Output Relays (contacts) 48 Vdc range = 27 to 40 Vdc 125 Vdc = 75 to 100 Vdc 250 Vdc = 150 to 200 Vdc, 0% to 80% of nominal 14 programmable outputs (3U chassis) and 1 relay inoperative contact (N.C.) 21 programmable outputs (4U chassis) and 1 relay inoperative contact (N.C.)...

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L-PRO 4000-7

Item Quantity/Specs Environmental: Ambient Temperature Range -40°C to 85°C for 16 hours -40°C to 70°C continuous Up to 95% without condensation Power supply, analog inputs, external inputs, output contacts - 2 kVrms, 50/60 Hz, 1 minute Tested to level 4 - 4.0kV 2.5/5 kHz on Power and I/O lines Humidity Insulation Test (Hi-Pot) Electrical Fast Transient Oscillatory Transient Test level = 2.5 kV RFI Susceptibility 10 V/m modulated, 35 V/unmodulated Conducted RF Immunity Shock and Bump Sinusoidal Vibration Voltage Interruptions 22.6 lbs (3U chassis) 26.2 lbs (4U chassis) 5.2 height x 19...

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L-PRO 4000-8

L-PRO 4000 Transmission Line Protection Relay Overall L-PRO Accuracies Voltage Impedance Directional Phase Angle Frequency Elements Sync Check Elements Timers Inverse Overcurrent Timers Definite Overcurrent Timers Frequency Timer ±2.5% of inputs from 0.1 to 1.0 x nominal current (In) ± 1.0% of inputs from 1.0 to 40.0 x nominal current (In) ± 1.0% of inputs from 0.01 to 2.0 x nominal voltage (Vn) ±5.0% or 5 mQ of set value from 0.05 to 66.00 ohms secondary (0.25 to 330.00 ohms secondary 1 A nominal) ±2.0° of set value of Positive Sequence Line Angle value from 25.0° to 89.0° ±0.001 Hz (fixed level) ±0.05...

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L-PRO 4000-9

Detailed Environmental Tests Test IEC/EN 61000-4-4 IEC/EN 60255-22-4 IEEE C37.90.1 Description Type Test Burst (fast transient) Surge Induced (conducted) RFI Power frequency Magnetic field Voltage dips & interrupts Test Points Signal ports ac power port dc power Port Earth ground ports Communication ports Signal ports ac power port dc power port Signal ports ac power port dc power port Earth ground ports Binary input ports: Class A Enclosure ports ac power port IEC 60255-11 Voltage dips & interrupts IEC/EN 61000-4-12 Damped oscillatory IEC/EN 61000-4-16 Mains frequency voltage IEC/EN...

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