HV	High Voltage
XLPE	Cross-Linked Polyethylene
CM	Condition Monitoring
ML	Machine Learning
FEM	Finite Element Method
HVDC	High Voltage Direct Current
SNR	Signal-to-Noise Ratio
TDR	Time-Domain Reflectometry
ANN	Artificial Neural Network
RNN	Recurrent Neural Network
AE	Acoustic Emission
PRPD	Phase-Resolved PD
DFT	Discrete Fourier Transform
PCA	Principal Component Analysis
SVM	Support Vector Machine
PSO	Particle Swarm Optimization
AI	Artificial Intelligence
PdM	Predictive Maintenance
SCADA	Supervisory Control and Data Acquisition
PRTA	Pulse Repetition Time Averaging
DWT	Discrete Wavelet Transform
CNN-LSTM	Convolutional Neural Network-LSTM
VLF	Very Low Frequency
FD	Frequency-Domain
MV	Medium Voltage
PD	Partial Discharge
CBM	Condition-Based Maintenance
DL	Deep Learning
HVAC	High Voltage Alternating Current
IEC	International Electrotechnical Commission
DGA	Dissolved Gas Analysis
FDR	Frequency-Domain Reflectometry
CNN	Convolutional Neural Network
LSTM	Long Short-Term Memory
RF	Radio Frequency
GIS	Gas-Insulated Switchgear
FFT	Fast Fourier Transform
DT	Decision Tree
GA	Genetic Algorithm
IoT	Internet of Things
RUL	Remaining Useful Life
RCM	Reliability-Centered Maintenance
PRPS	Pulse Repetition Phase Synchronization
EMI	Electromagnetic Interference
STFT	Short-Time Fourier Transform
2D-CNN	Two-Dimensional Convolutional Neural Network
TD	Time-Domain
ROI	Region of Interest