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General| Rated Voltage | 100-240 V AC/DC |
|---|---|
| Frequency | 50/60 Hz |
| Digital outputs | 6 |
| Current inputs | 3 |
| Voltage inputs | 4 |
| Communication protocols | IEC 61850, Modbus |
| Mounting | Flush mounting |
| Protection Functions | Overcurrent |
| Operating Temperature | +55 °C |
| Storage Temperature | -40°C to +85°C |
| Enclosure | IP54 (front), IP30 (rear) |
Details on the VAMP 265 relay's features and protection functions.
Describes how the relay can be controlled locally and remotely.
Provides crucial safety instructions for operating the relay.
Overview of the relay's front panel elements for local control.
How to operate the relay using its front panel for control and configuration.
Explains how setting groups are used for different configurations and how to switch between them.
Details the three operating levels (User, Operator, Configurator) and their access methods.
Explains how to control objects like local/remote status and circuit breakers.
Step-by-step guide on how to set parameters using the relay's keypad and display.
Covers functions within the Prot menu, including resetting counters and enabling/disabling protection stages.
Details functions within the CONF menu, covering device setup, language, and current scaling.
Explains settings for communication ports like Remote Port X5 and Local Port X4.
Details on configuring blockings and interlockings using VAMPSET software.
Discusses setting groups and forcing start/trip conditions for testing purposes.
Explains the differential overcurrent protection stages (ΔI> and ΔI>>) based on winding currents.
Details overcurrent protection for short circuits and overloads, including definite and inverse time operations.
Explains current unbalance protection based on negative sequence current, including inverse delay calculations.
Describes undirectional earth fault protection sensitive to residual current, including intermittent earth fault detection.
Details the thermal overload function protecting transformers against excessive temperatures using a thermal model.
Describes circuit breaker failure protection that trips upstream breakers if a fault persists after an initial trip command.
Describes the principles, formulae, and graphical representations of available inverse delay types.
Details the event log buffer, event codes, time stamps, and format of events.
Explains the disturbance recorder's function, triggering, reading, and available channels.
Provides measurement accuracy specifications for phase currents, residual currents, frequency, and THD.
Describes output relays (digital outputs), their configuration as latched/non-latched, and parameters.
Details the available digital inputs, their polarity, delay configuration, and parameter settings.
Describes how output signals from protection stages, digital inputs, etc., are connected to output relays and indicators.
Explains how protection stage operation can be blocked using digital inputs, protection stage signals, or programmable logic.
Details how objects like circuit breakers and disconnectors can be controlled via HMI, communication, or digital inputs.
Describes the available communication ports: front panel RS-232, rear panel X4 (local/extension), and optional Ethernet.
Lists data transfer types and protocols like PC communication, Modbus TCP/RTU.
Explains PC communication using VAMPSET via RS-232 or Ethernet.
Explains restricted earth fault (REF) protection as a sensitive method for zone protection against earth faults.
Covers the calculation of stabilizing resistor RS, VDR value, and actual sensitivity in protection schemes.
Guides on selecting current transformers (CTs) based on accuracy classes and application needs.
Details CT requirements for protection, including safety factors to avoid false trips from heavy through faults.
Specifies rated current, measuring ranges, thermal withstand, and burden for phase and residual currents.
Lists setting ranges, operating times, and inaccuracies for differential overcurrent stages.
Provides detailed setting ranges, inaccuracies, and operating times for differential overcurrent stages ΔI> and ΔI>>.
Details setting ranges, operating times, and inaccuracies for overcurrent stages I>, I’>, I>>, I’>>, and thermal overload T>.
Details settings and inaccuracies for the circuit-breaker failure protection stage (CBFP).
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