On the right of the battery pack, the junction box senses six critical voltage nodes (contactors and isolation ISO_RES) and a Hall sensor measures the current. The data is then passed along to a second microprocessor.
How many connectors are located in the high-voltage battery junction box?
HV fuse for protection. 32-pins LV-connector. Option, contactors for DC charge.
What is high-voltage junction box?
Electric GT’s High-Voltage Junction Box (HVJB) is a convenient solution that simplifies Electric Vehicle (EV) conversions and EV equipment installations by combining the most complicated and time-consuming aspects of the EV conversion into a Plug & Play solution.
What is a battery junction box?
Battery Junction Box (BJB) is a switching unit for the battery in an electric vehicle. It connects or disconnects the components in the vehicle, which need energy from the battery.
What is contactor in EV?
A high-voltage contactor, also called a high-voltage relay without distinction in the industry, is widely used in electric vehicles (EV) and hybrid electric vehicles (HEV). It is an electromechanical switching device with a coil to generate a magnetic force that mechanically operates an electric contact.
Where is the high-voltage battery located in an electric vehicle?
The high-voltage battery packs are located behind the rear seatback, and under the vehicle beneath the upper battery pack location. Removing the high-voltage service disconnects will isolate the high-voltage from the vehicle.
Where is the battery located in an EV?
The high-voltage battery packs are located behind the rear seatback and under the vehicle beneath the upper battery pack location.
Where is a junction box located?
It’s a standard electrical box usually found mounted to the framing of a home or building that contains the connection of two or more circuit cables or wires. Junction boxes are usually metal or plastic and can range from 2 ½” to 3 ½” deep.
How many wires can be in a junction box?
Choose the Right Junction Box
For example, the smallest 2-by-4-by-1-1/2-inch-deep box can comfortably splice only two cables (four or five conducting wires), while the largest 4-by-4-by-2-1/8-inch-deep boxes can handle as many as four to six cables (up to 18 individual conducting wires).
How does a junction box work?
Essentially, a junction box houses wire connections in order to split off power from a single source to multiple outlets. For instance, a junction box might contain one wire power source that is connected through multiple wires to power several different lights.
Where are contactors used?
A contactor is a special type of relay used for switching an electrical circuit on or off. They are most commonly used with electric motors and lighting applications.
What is contactor in battery pack?
Basically a heavier-duty version of the relay, a contactor is used to switch power to any of the loads supplied by the traction battery in an EV.Contactors, relays and solenoids are all names for an electromechanical switch.
What is high-voltage battery?
High Voltage Batteries. High voltage battery systems are usually rated around 400V. These systems are able to charge and discharge faster than the low voltage batteries and can cover those quick demand surges from starting equipment. These batteries do not need large conductors because their voltage is so high.
How many batteries does an electric car have?
There are two main types of electric car battery commonly used today: Lithium-ion battery Used by most EV makers (eg Tesla, Jaguar)
How are high-voltage vehicles identified?
All high voltage components, or compartments that house high voltage components, are identified with a hazardous voltage label that generally incorporates a yellow triangle with a black thunderbolt, and warning text. If one or more such labels is present on a vehicle it has a high voltage electric drive system.
How many volts is a car battery?
12.6 volts
When we take a closer look, we see car battery voltage can range anywhere from 12.6 to 14.4. With the engine off, the fully charged car battery voltage will measure 12.6 volts. This is known as “resting voltage.” When the engine is running, battery voltage will typically rise to 13.5 to 14.5 volts.
What is the voltage of an electric car battery?
First is the voltage. Lithium-ion batteries are the mainstream battery cells for EVs, but this is only 3.6 V per cell. Normally, four modules are connected in series and in parallel, and one with 7.2 V is used as one module.
How many KWh does a 12 volt battery produce?
For example, a 12 volt battery with a capacity of 500 Ah battery allows energy storage of approximately 100 Ah x 12 V = 1,200 Wh or 1.2 KWh.
How many electrical wires are in a box?
Plastic Box Fill Capacities
Single Gang Boxes: A total capacity of 18 cubic inches allows for nine #14 gauge wires, eight #12 gauge wires, or seven #10 gauge wires. This is a wires-only capacity. With one device added to the box, subtract two wires in each category.
What is in a junction box?
Junction Box in Action
The junction box serves as the communal meeting spot for electrical wires, where they connect before moving on. These boxes protect hot (black), white (neutral), and grounding (green or copper) electrical wires and may contain some other wire colors for secondary functions and lighting.
What is a standard junction box?
The standard box used for junctions is a 4-inch square box, which offers plenty of space for making wire connections with multiple wires or cables, but other types of boxes can be also used for this application.