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See searches and references containing OPEN CIRCUIT-VOLTAGE!OPEN CIRCUIT-VOLTAGE
Concept in circuit analysis
Open-circuit voltage (OCV or VOC) is the difference of electrical potential between two terminals of an electronic device when disconnected from any circuit
Open-circuit_voltage
Model to simulate Li-ion cells electrical dynamics
most common circuital representation consists of three elements in series: a variable voltage source, representing the open-circuit voltage (OCV) of the
Equivalent circuit model for Li-ion cells
Equivalent_circuit_model_for_Li-ion_cells
Electrical action produced by a non-electrical source
devices modeled as a Thévenin equivalent circuit, an equivalent emf can be measured as the open-circuit voltage between the two terminals. This emf can
Electromotive_force
Difference in electric potential between two points in space
electricity by country (list of countries with mains voltage and frequency) Open-circuit voltage Phantom voltage Cretì, Anna; Fontini, Fulvio (2019-05-30). Economics
Voltage
Topics referred to by the same term
voltage, the difference of electrical potential between two terminals of a device when there is no external load connected An open electrical circuit
Open_circuit
operated at open circuit, I out {\displaystyle I_{\text{out}}} = 0 and the voltage across the output terminals is defined as the open-circuit voltage. Assuming
Theory_of_solar_cells
Standard on surge immunity
Generator's open-circuit voltage and short-circuit current waveforms, characterized by front time, duration, and peak values. With an open circuit output,
IEC_61000-4-5
Technology for splitting water molecules
remainder is supplied through electrical energy. The actual value for open circuit voltage of an operating electrolyzer will lie between the 1.23 V and 1.48
Proton exchange membrane electrolysis
Proton_exchange_membrane_electrolysis
Assemblage of connected electrical elements
electrical elements (e.g., voltage sources, current sources, resistances, inductances, capacitances). An electrical circuit is a network consisting of
Electrical_network
Theorem in electrical circuit analysis
terminals A–B open circuited. The equivalent resistance Rth is the resistance that the circuit between terminals A and B would have if all ideal voltage sources
Thévenin's_theorem
Maximum theoretical efficiency of a solar cell
matching" below). The ratio of the open-circuit voltage to the band-gap voltage Shockley and Queisser call V. Under open-circuit conditions, we have ln I s
Shockley–Queisser_limit
Automatic circuit protection device
individual household appliances, to switchgear designed to protect high-voltage circuits feeding an entire city. Any device which protects against excessive
Circuit_breaker
Standard size of cylindrical dry battery
zinc battery can have an open-circuit voltage of 1.6 volts, but a lithium iron disulfide battery with an open-circuit voltage below 1.7 volts is entirely
AA_battery
Determining all voltages and currents within an electrical network
parallel impedance load. A resistive circuit is a circuit containing only resistors, ideal current sources, and ideal voltage sources. If the sources are constant
Network analysis (electrical circuits)
Network_analysis_(electrical_circuits)
Solar cell power extraction method
of the maximum power from the cell to the product of open circuit voltage Voc and short-circuit current Isc. Tabulated data is often used to estimate
Maximum_power_point_tracking
Ratio of energy extracted from sunlight in solar cells
encountered by the incoming photons) to zero, with a voltage in each cell very close to the open-circuit voltage, equal to 95% of the band gap of that cell, and
Solar-cell_efficiency
The open-circuit saturation curve (also open-circuit characteristic, OCC) of a synchronous generator is a plot of the output open circuit voltage as a
Open-circuit_saturation_curve
Electronic circuit that charges capacitors
A voltage doubler is an electronic circuit that charges capacitors from the input voltage and switches these charges in such a way that, in the ideal
Voltage_doubler
Electrical circuit power converter
A voltage multiplier is an electrical circuit that converts AC electrical power from a lower voltage to a higher DC voltage, typically using a network
Voltage_multiplier
Electrical safety device that provides overcurrent protection
handling features. The voltage rating of the fuse must be equal to or, greater than, what would become the open-circuit voltage. For example, a glass tube
Fuse_(electrical)
Value of the charge level of an energy storage system relative to its capacity
compensating the voltage reading by a correction term proportional to the battery current, and by using a look-up table of battery's open circuit voltage vs. temperature
State_of_charge
System designed to maintain a constant voltage
A voltage regulator is a system designed to automatically maintain a constant voltage. It may use a simple feed-forward design or may include negative
Voltage_regulator
Electronic component to ensure a known state for a signal
when closed, connects a circuit to ground or positive supply voltage, without a PU or PD, when the switch is open, the circuit would be left floating.
Pull-up_resistor
Transistor switch output for integrated circuits
Open collector, open drain, open emitter, and open source refer to integrated circuit (IC) output pin configurations that process the IC's internal function
Open_collector
Solar-cell architecture
for p-type PERC. The high efficiency is owed mostly to very high open-circuit voltages—consistently over 700 mV—as a result of excellent surface passivation
Heterojunction_solar_cell
Electric circuit composed of resistors and capacitors
resistor–capacitor circuit (RC circuit), or RC filter or RC network, is an electric circuit composed of resistors and capacitors. It may be driven by a voltage or current
RC_circuit
Electrical resonant circuit
configuration of the LC circuit, the inductor (L) and capacitor (C) are connected in series, as shown here. The total voltage V across the open terminals is simply
LC_circuit
Assembly of photovoltaic cells used to generate electricity
power (PMAX, measured in W), open-circuit voltage (VOC), short-circuit current (ISC, measured in amperes), maximum power voltage (VMPP), maximum power current
Solar_panel
e., the open-circuit voltage caused by the light) is larger than the band gap of the corresponding semiconductor. In some cases, the voltage may reach
Anomalous_photovoltaic_effect
Relation between properties of diodes
concentration of charge carriers. The highest possible open-circuit voltage, the radiative open-circuit voltage V o c , r a d {\displaystyle V_{oc,rad}} , is obtained
Reciprocity_(optoelectronic)
Method to produce electricity from solar radiation
power (PMAX, measured in W), open-circuit voltage (VOC), short-circuit current (ISC, measured in amperes), maximum power voltage (VMPP), maximum power current
Photovoltaics
Power supply with electrochemical cells
in magnitude than the open-circuit voltage and the terminal voltage of a cell that is charging exceeds the open-circuit voltage. An ideal cell has negligible
Electric_battery
Type of second-generation solar cell
flow with no voltage load. Similarly, the open-circuit voltage is the voltage across the device with no current or, alternatively, the voltage required for
Thin-film_solar_cell
Topics referred to by the same term
Czech medical journal Volvo VNL heavy duty truck Voltage no-load (Vnl); another term for open-circuit voltage (VOC) Veselí nad Lužnicí, town in the Czech Republic
VNL
Electronic amplifier circuit type
amplifier topologies, typically used as a current buffer or voltage amplifier. In this circuit, the source terminal of the transistor serves as the input
Common_gate
Welding process
generators. Working with helium as an inert gas needs open circuit voltage above 70 volts. This higher voltage can be obtained by series operation of two power
Plasma_arc_welding
Type of rechargeable battery
negative electrode materials, the energy density and voltage vary accordingly. The open-circuit voltage is higher than in aqueous batteries (such as lead–acid
Lithium-ion_battery
Metal fabrication process
the open circuit voltage (i.e. the voltage between the electrodes when the dielectric is not yet broken) can be identified as steady state voltage of the
Electrical discharge machining
Electrical_discharge_machining
Types of electrical circuits
exchanging the role of voltage and current. A circuit composed solely of components connected in series is known as a series circuit; likewise, one connected
Series_and_parallel_circuits
Alternative to silicon-based photovoltaics
of open circuit voltage Vop to band-gap voltage Vg, and m is the impedance matching factor, and Vc is the thermal voltage, and Vs is the voltage equivalent
Perovskite_solar_cell
Electronic system managing a rechargeable battery
charge or charge cycle Internal impedance of a cell (to determine open circuit voltage) Charge delivered or stored (sometimes this feature is called coulomb
Battery_management_system
Surface on an antenna in electromagnetics
l_{\text{eff}}=V_{0}/E_{\text{s}},} where V 0 {\displaystyle V_{0}} is the open-circuit voltage appearing across the antenna's terminals, E s {\displaystyle E_{s}}
Aperture_(antenna)
High-gain voltage amplifier with a differential input
sufficient to pull the inverting input to the same voltage as Vin. The voltage gain of the entire circuit is thus 1 + Rf / Rg. As a simple example, if Vin
Operational_amplifier
Electrochemical cell using a metallic anode and oxygen cathode
theoretically offering a high specific energy of 2990 Wh/kg and a high open-circuit voltage of 3.12 V. The discharge reaction typically forms calcium oxide (CaO):
Metal–air electrochemical cell
Metal–air_electrochemical_cell
Power supply connections for integrated circuits
are voltage and current supply terminals found on integrated circuits (ICs) in electrical engineering, electronic engineering, and integrated circuit design
IC_power-supply_pin
Theoretical circuit which behaves like a given circuit
equivalent circuit model. Such a model consists of a voltage generator driven by the state of charge, representing the open-circuit voltage of the cell
Equivalent_circuit
Standard for serial communication
a maximum open-circuit voltage of 25 volts: signal levels of ±5 V, ±10 V, ±12 V, and ±15 V are all commonly seen depending on the voltages available to
RS-232
Impedance of a linear circuit's Thévenin representation
electric power source which is a linear circuit may, according to Thévenin's theorem, be represented as an ideal voltage source in series with an impedance
Internal_resistance
Device that converts other energy to electrical energy
resistance (corrected to operating temperature), and measuring the open-circuit and loaded voltage for a defined current load. This is the simplest model of a
Electric_generator
Rechargeable battery type often used in motor vehicles
single cell, the voltage can range from 1.8 V loaded at full discharge, to 2.10 V in an open circuit at full charge. Float voltage varies depending on
Lead–acid_battery
Electrically operated switch
of an inch when open. Relays are used wherever it is necessary to control a high power or high voltage circuit with a low power circuit, especially when
Relay
Device used to produce electricity from light
common single-junction silicon solar cell can produce a maximum open-circuit voltage of approximately 0.5 to 0.6 volts. Photovoltaic cells may operate
Solar_cell
Electronic component
but in a practical circuit the inductance of the wires leading to the device imposes a higher limit. This makes transient-voltage-suppression diodes useful
Transient-voltage-suppression diode
Transient-voltage-suppression_diode
Professional broadcasting and music microphone
Sensitivity (at 1,000 Hz Open Circuit Voltage) 1.5 mV/Pascal Impedance 150 ohms Polarity Positive pressure on diaphragm produces positive voltage on pin 2 relative
Electro-Voice_RE20
Type of photovoltaic
quantum yield of 0.17%, an open-circuit voltage of 0.4 V and a fill factor of 0.3. An ITO/PPV/Al cell showed an open-circuit voltage of 1 V and a power conversion
Organic_solar_cell
Spectroscopic technique
This includes optoelectronic and physicochemical properties such as open circuit voltage, efficiency, and crystalline structure. This has been demonstrated
Raman_spectroscopy
Control gear of an electric power system
on the low-voltage side of the transformers may be located in a building, with medium-voltage circuit breakers for distribution circuits, along with
Switchgear
Two-terminal electrical device able to maintain a fixed voltage
independent voltage source. Conversely, if the voltage across an ideal voltage source is determined by some other voltage or current in a circuit, it is called
Voltage_source
Type of voltage amplifier
amplifier topologies, typically used as a current buffer or voltage amplifier. In this circuit the emitter terminal of the transistor serves as the input
Common_base
antenna effective length, where it is defined as the ratio of the open circuit voltage across the antenna's terminals to the incident electric field of
Effective_height
Topics referred to by the same term
OCV may refer to On-chip variation Open-circuit voltage Voltaic Communist Organization (French: Organisation communiste voltaïque) Offshore Combatant Vessel
OCV
DC linear voltage regulator
type of a DC linear voltage regulator circuit that can operate even when the supply voltage is very close to the output voltage. The advantages of an
Low-dropout_regulator
Electrical potential that is large enough to cause damage or injury
High voltage is an electrical potential large enough to cause injury or damage. In certain industries, high voltage refers to voltage above a nominal threshold
High_voltage
High-voltage electrical circuit breaker used in power transmission networks
A high-voltage circuit breaker is designed to make, carry, and interrupt electric currents under its rated voltage. The rated voltage is "the maximum system
High-voltage_circuit_breaker
Electrical circuit with negligible impedance
the same voltage. In an 'ideal' short circuit, this means there is no resistance and thus no voltage drop across the connection. In real circuits, the result
Short_circuit
Protects electrical devices from voltage spikes
intended to protect electrical devices in alternating current (AC) circuits from voltage spikes with very short duration measured in microseconds, which
Surge_protector
Optical and electrical phenomenon
solar cell improves its light-to-electricity efficiency (improved open-circuit voltage), it will also improve its electricity-to-light (EL) efficiency.
Electroluminescence
Electric current that periodically reverses direction
respectively, as when they modify current or voltage. The usual waveform of alternating current in most electric power circuits is a sine wave, whose positive half-period
Alternating_current
Voltage booster electronic circuit
device", describes a vacuum tube based oscillator circuit to convert a low voltage into a high voltage. US patent 2211852, filed in 1937, "Blocking oscillator
Joule_thief
Professional cardioid dynamic microphone
microphone axis, uniform with frequency Sensitivity (at 1,000 Hz Open Circuit Voltage) −54.5 dBV/Pa (1.85 mV); 1 Pa = 94 dB SPL Impedance Rated impedance
Shure_SM58
Time constant of an RC circuit
the voltage V ( t ) {\displaystyle V(t)} hits the zero axis at a time t + τ {\displaystyle t+\tau } . The signal delay of a wire or other circuit, measured
RC_time_constant
Dynamic microphone
40 to 15,000 Hz Polar pattern Cardioid Sensitivity (at 1,000 Hz open circuit voltage) −56.0 dBV/Pa (at 1,000 Hz) Impedance Rated impedance is 150 ohms
Shure_SM57
Electronic component delivering stable electric current regardless of voltage
electronic circuit that delivers or absorbs an electric current which is independent of the voltage across it. A current source is the dual of a voltage source
Current_source
Device that compares two voltages or currents
requirements. A comparator circuit compares two voltages and outputs either a 1 (the voltage at the plus side) or a 0 (the voltage at the negative side) to
Comparator
Chemical compound
fluctuations in the CZTS and could therefore the cause for the large open circuit voltage deficit, the main bottle neck of state-of-the-art CZTS devices. The
CZTS
Professional microphone
response: 50 to 15,000 hz Pattern: cardioid Sensitivity (at 1,000 Hz open circuit voltage): -58.0 dBV/Pa (1 Pa = 94 dB SPL) Impedance: EIA −150 Ω (270 Ω current)
Shure_55SH
Ribbon microphone
three-pin output to a standard XLR connector. Sensitivity (at 1,000 Hz Open Circuit Voltage) -65dB re: 1 Volt/Pa Impedance 300 ohms Produced 1950s–present Schultz
Coles_4038
Topics referred to by the same term
Wiktionary, the free dictionary. VOC, VoC or voc may refer to: Open-circuit voltage (VOC), the voltage between two terminals when there is no external load connected
VOC
Chemical element with atomic number 34 (Se)
with a silicon bottom cell. However, a significant deficit in the open-circuit voltage is currently the main limiting factor to further improve the efficiency
Selenium
Electronic comparator circuit with hysteresis
voltage increases the effective difference input voltage of the comparator by "decreasing the threshold" or by "increasing the circuit input voltage";
Schmitt_trigger
Type of rechargeable battery
75 Wh/kg, 60 Wh/dm3 specific power 220 W/kg. The open-circuit voltage is 1.55 V, the average voltage during discharge is 1.25 V. While the energy density
Nickel–hydrogen_battery
Opposition of a circuit to a current when a voltage is applied
in a circuit. Quantitatively, the impedance of a two-terminal circuit element is the ratio of the complex representation of the sinusoidal voltage between
Electrical_impedance
Electric current generation from light
influences the main electrical parameters: the short-circuit current ISC, the open-circuit voltage VOC, and the maximum power Pmax. The first studies about
Photovoltaic_effect
Machinery used to adjust conditions on the electric power transmission grid
voltage. When connected to a circuit, some current will flow depending on how the voltage on the system is different from this open-circuit voltage.
Synchronous_condenser
Property of electrical conductors
through a circuit induces an electromotive force (EMF) (voltage) in the conductors, a process known as electromagnetic induction. This induced voltage created
Inductance
Professional broadcasting microphone
(at 1,000 Hz open circuit voltage) −59 dBV/Pa (1.12 mV) Impedance 150 ohms Polarity Positive pressure on diaphragm produces positive voltage on pin 2 relative
Shure_SM7
Voltage or current source dependent on another in the network
vacuum tubes. Electronics portal Circuit theory Ground (electricity) Mathematical methods in electronics Open-circuit voltage Lumped-element model Distributed-element
Dependent_source
Solute that (almost) completely ionizes or dissociates in solution
affect the open circuit voltage produced by a galvanic cell. But when electric current flows, stronger electrolytes result in smaller voltage losses through
Strong_electrolyte
Switch using electrical contacts in a vacuum
It is the core component of medium-voltage circuit-breakers, generator circuit-breakers, and high-voltage circuit-breakers. Separation of the electrical
Vacuum_interrupter
Electricity distribution networks circuit breakers
transient faults. Reclosers are essentially rated circuit breakers with integrated current and voltage sensors and a protection relay, optimized for use
Recloser
Electrical component or portion of a circuit that consumes electric power
the complete circuit looks like this: Whereas the voltage source by itself was an open circuit, adding the load makes a closed circuit and allows charge
Electrical_load
DC circuit analysis technique
original circuit and its Thévenin and Norton equivalents have the same voltage between the two open-circuited terminals, and the same short-circuited current
Norton's_theorem
volumetric energy density, theoretical energy efficiency, and theoretical open-circuit voltage. They are also able to overcome certain problems inherent to traditional
Formic_acid_fuel_cell
Electrical connection validity test
voltage to the output, measurement/calculation of the open-circuit voltage between the input terminals to be connected). Only if there is no voltage drop
Brune_test
Concept in electrical engineering
entire short line model is an open circuit in this condition, and no current flows in an open circuit, so I = 0 A and the voltage drop across the line given
Voltage_regulation
Term in electrical engineering
actual short-circuit state). Strong grids provide a reliable reference for power sources to synchronize. In a very stiff system the voltage does not change
Short circuit ratio (electrical grid)
Short_circuit_ratio_(electrical_grid)
Property that an increasing voltage results in a decreasing current
resistance (NR) is a property of some electrical circuits and devices in which an increase in voltage across the device's terminals results in a decrease
Negative_resistance
Electrical circuit with active components
symbol. Analog circuit analysis employs Kirchhoff's circuit laws: all the currents at a node (a place where wires meet), and the voltage around a closed
Electronic_circuit
Microphone for podcasting
000 Hz Open Circuit Voltage) −55 dBV/Pa (1.78 mV) Maximum SPL 132 dB Impedance 314 ohms Polarity Positive pressure on diaphragm produces positive voltage on
Shure_MV7
Device to couple energy between circuits
(conductive) connection between the two circuits. Faraday's law of induction, discovered in 1831, describes the induced voltage effect in any coil due to a changing
Transformer
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