Introduction
4. MAIN FUNCTIONS
The following table shows the functions available for HF9024 relay.
PROTECTION FUNCTIONS OVERVIEW
HF9024
Configuration depending on the number
and type of voltage transformers
Phase-to-neutral or phase-to-phase voltage protection
27
Phase under voltage (AND/OR logic)
59
Phase over voltage (AND/OR logic)
59N
Zero sequence over voltage
47
Negative sequence over voltage
-
Remote communication (RS485 port)
Local communication (RS232 port)
Event recording
250
Fault recording
25
Disturbance recording
5
Setting group
1
Circuit Breaker Control
Output relay latching
HF9024
27D
Positive sequence under voltage
-
Delta U / Delta T
Blocking logic
Balance voltage
-
Digital inputs
2
Output relays
6
Summary of Contents for DUA2.1
Page 1: ...Numerical Voltage Protection Relay Technical Guide and user manual HF9024 DUA2 1 ...
Page 4: ...Introduction 1 INTRODUCTION The Voltage relay type HF9024 is a numerical relay HF9024 ...
Page 8: ...Handling Installation and Case Dimensions HANDLING INSTALLATION AND CASE DIMENSIONS HF9024 ...
Page 17: ...User Guide User Guide HF9024 ...