A low resistance during the charging process can lead to excessive current flow, which may cause overheating and damage to the battery or charging components. This can also result in reduced efficiency, as energy is wasted as heat rather than being stored in the battery. Additionally, it can create safety hazards, such as the risk of fires or explosions if the system cannot handle the high currents effectively. Therefore, maintaining an appropriate resistance is crucial for safe and efficient charging.
132kv MOCB acceptable value of somthing 150 micro ohms.
A low voltage (less than 1000 VAC) circuit breaker for 15 A typically has a contact resistance of 0.01 Ohm or less.
The charging and discharging characteristics of a capacitor are primarily affected by the capacitance value, the resistance in the circuit (often represented as the equivalent series resistance), and the supply voltage. The time constant, defined as the product of resistance (R) and capacitance (C), determines how quickly a capacitor charges and discharges. Additionally, the dielectric material used in the capacitor can influence its performance by affecting its capacitance and leakage current. Temperature and frequency can also impact these characteristics.
what is the diference betwean calculated and maesured value
what is the resistance value of a healthy earth pit
400mega ohms acceptable....
30 micro ohms
132kv MOCB acceptable value of somthing 150 micro ohms.
415v air circuit breaker acceptable value of 0.01 ohms and lessthan
more than 1 G ohms is acceptable. cheers
An acceptable resistance for a ground to ground plate system is 2 ohms with a maximum allowance to 5 ohms. If the measured resistance is above 5 ohms more grounding rods or plates have to be added to reduce the resistance down to the acceptable levels.
The PI value depends on the type of equipment being tested and the voltage level. Roughly it shall not be below the value of 2.0
The minimum acceptable insulation resistance value is calculated using the following formula: Rinsulation= (Vrated + 1 ) x (304.8 / L ) Where: Rinsulation is the minimum acceptable insulation resistance value, in mega-ohms; Vrated is the rated voltage of the cable (typically printed on the cable), in kilovolts; and L is the length of the cable, in meters (if the cable length is in feet, replace the number 304.8 with 1000).
A low voltage (less than 1000 VAC) circuit breaker for 15 A typically has a contact resistance of 0.01 Ohm or less.
The plus-minus limits of a resistor's marked value are referred to as its tolerance. Tolerance indicates the acceptable range of variation from the specified resistance value, usually expressed as a percentage. For example, a resistor with a marked value of 100 ohms and a tolerance of ±5% can have an actual resistance between 95 ohms and 105 ohms. Tolerance helps in determining how closely a resistor's actual resistance matches its rated value.
The term defined as the minimum acceptable value for performance necessary to satisfy an identified need is called the "threshold." It represents the baseline standard that must be met for a product, service, or process to be considered acceptable. Meeting the threshold ensures that the essential requirements or expectations are fulfilled.
The number of ohms is, precisely, the value of the resistance.