ATO	Automatic Train Operation	MR	Corrosion mass loss rate
CR	Corrosion Penetration rate	OVPD	Overvoltage Protecting Device
CSE	Copper Sulfate Electrode	Rmock,t-scd	Added resistance between track and SCD
EEC	Earth equipotential conductor	Rmock,te	Added resistance between track and earth
δVte	Change of track-to-earth voltage	Rp	Polarization resistance
Escc	Efficiency of SCC	rscd	Per-unit-length resistance of SCD section
Escd,k	Efficiency of k-th SCD section	Rscd	Resistance of SCD section
Escp	Overall efficiency of SCPS	Rscd _200m	Resistance of SCD section 200 m long
ETSs	Electrified Transportation System	rscc	Per-unit-length resistance of SCC
Escp	Overall efficiency of SCPS	Rte	Track resistance-to-earth
ETSs	Electrified Transportation System	Rtr	Track resistance
HMI	Human-Machine Interface	SC	Stray Current
I	Current pulled by the train	SCC	Stray Current Collector
Iscc	Current in SCC	SCD	Stray Current Drainage
Iscd	Current in SCD section	SCMS	Stray Current Monitoring System
Itl	Track leakage current	SCP	Stray Current Protection
Itl,k	Track leakage current in k-th section	SCPS	Stray Current Protection System
Itl_P1-P2	Track leakage current betw. points P1 and P2	Sscc	Cross section of SCC
Itr	Track current	Sscd	Cross section of SCD
Itr,k	Track current in k-th section	SHE	Standard Hydrogen Electrode
j	Corrosion current density	TPS	Traction Power Station
L	Train position with respect to leftmost TPS	VLD	Voltage Limiting Device
LRS	Leakage Reference Scenario	Vte	Track-to-earth voltage
LTPS	Separation distance between TPSs