Common Terms & Acronym Glossary

Acronym	Meaning
Battery Cell	a single device that converts chemical energy into electrical energy
Battery Module	contains any number of cells along with connectors, electronics, and/or additional mechanical packaging
BESS	Battery Energy Storage System (ESS: Energy Storage System)
BMS	Battery Management System
BOL	Beginning of Life
BOM	Bill of Materials
CAN	Controller Area Network
Capacity	The maximum amount of power an electrical system can produce.
CC	Constant Current direct current (DC) that does not change its intensity with time
Charge Voltage	The voltage when the battery is charged to full capacity.
COV	Cut Off Voltage The minimum allowable voltage that generally defines the “empty” state of the battery.
CP	Constant Power
C-Rate	Rate at which a battery is discharged relative to its max capacity
Current	flow of charged particles moving through an electrical conductor
CV	Constant Voltage a power circuit that controls the output voltage to a constant level, regardless of the load.
Cycle Life	The number of discharge-charge cycles the battery can experience before it fails to meet specific performance criteria.
DC Block	Kore's scalable battery solution that can be configured for virtually any application
DCA	Direct Current Aggregator
DEMS	Distributed Energy Management System
DOD	Depth of Discharge The percentage of battery capacity that has been discharged expressed as a percentage of maximum capacity. A discharge to at least 80 % DOD is referred to as a deep discharge.
EGC	Equipment Grounding Conductor
EMS	Energy Management System
EOL	End of Life
ESD	Emergency Shutdown
E-STOP	Emergency Stop
FAT	Factory Acceptance Test Happens here, in production
FIE	Free Issue Equipment (Customer Provided)
Floating Charge	Inverter is providing power to the battery, but the battery isn't charging A charge that maintains the SOC
Following / Running PQ	Power is from the existing grid. "Following the grid"
Forming / Start UF	Power is generated from battery. "Forming it's own grid"
FSS	Fire Suppression System
Global Fault	Non-specific fault, must be investigated further
H14	SCADA interface map
HMI	Human Machine Interface
HVAC	Heating, Ventilation, Air Conditioning
IMD	Insulation Monitoring Device
Inverter	device that changes direct current (DC) to alternating current (AC)
IP Address	unique number assigned to every device connected to the internet
J06	Electrical Schematic Can be used to identify system IP Addresses
JSON	JavaScript Object Notation
KPMC (KP-MC)	Kore Power Management Controller High-Level System Control
Latching Alarm	Fault that requires us to investigate and intervene "Protection"
LCM	Local Control Module
LFL	Lower Flammability Limit
LOTO	Lock Out/Tag Out
LVD	Low Voltage Disconnect
Mark 1 (M1)	Kore's First Generation Battery
MBMS	Module Battery Management System
ModBus	A communications protocol for transmitting data between 2+ devices
MsBMS	Master Battery Management System Battery Module-Level Control
NACK	Negative Acknowledge (no response to message)
NOC	Network Operations Center The room at the office with 60+ screens that monitor our systems across the US
Non-Latching Alarm	Fault that clears itself "Warning or Alarm"
OCV	Open Circuit Voltage
OSAT	On Site Acceptance Test Happens at the site, after FAT
P1	Kore's 2nd Generation Battery
P2	Kore's 3rd Generation Battery Foundational Element of the DC Block
PCS	Power Conversion System
PES	Power Equipment Shelter
PID	Proportional, Integral, Derivative
PLC	Programmable Logic Controller
Power	The transfer of electrical energy within a circuit.
PWM	Pulse-Width Modulation
Rack/String	A chain (string) of connected of battery modules, which are installed into a rack within the BESS. Terms are used interchangeably
RBMS	Rack Battery Management System Housed within the RMSC
RMA	Return Merchandise Authorization
RMSC	Rack Management Systems Controller Rack Level Control
RTAC	Device controller that is similar to a PLC, but an RTAC typically has has more computing power
SBMS	System Battery Management System
SCADA	System Control and Data Acquisition
Script	Code written in a general-purpose programming language, used to automate processes
Shore Power	A grid connected AC power source for NOMAD to use while it's main and auxiliary power are shut down.
SLA	Service Level Agreements
SOC	State of Charge
SOH	State of Health
UPS	Uninterrupted Power Supply
UTC	Universal Time Coordinated - During Daylight Savings Time, UTC = +4 Hours Ahead of EST - Not Daylight Savings, UTC = +5 Hours Ahead of EST
Voltage	The "pressure” in an electric circuit. The higher the voltage, the more electrical current in the circuit

Common Terms & Acronym Glossary

There are a lot of different industry specific terms and acronyms used on a regular basis. Use this guide to get familiar with these terms.