0
The digital, solid-state CDP series is adjustable for Class 1 through Class 60.
The wide range of class adjustments with the Model CDP will allow the relay
to be adjusted for the maximum protection of the motor. Thus, if a motor is
normally up to running speed in six seconds then the overload relay may be
adjusted for Class 1 with a nominal trip time of 12 seconds at 125% overload.
Add your answer:
Earn +20 pts
Class px ct?
Class PX is the definition in IEC 60044-1 for the quasi-transient CT formerly covered by Class X of BS-3938, commonly used with unit protection schemes. These are Protection CTs used for Earth fault protection. Knee point voltage is an important parameter for these type of CTs. Shaikh
What is the power factor when the current and voltage are in phase?
The power factor of a load is the cosine of the angle by which the load current lags or leads the supply voltage. So if they are in phase (phase angle is zero), then the power factor must be unity (1).
What are the 4 parts of a cathode ray tube?
four parts of CRO: 1-crt 2-horizontal section 3-vertical section 4-power supply
How do you wire start and run capacitors into an electric motor?
Connect your start capacitor in series with the start winding.Connect the run capacitor in the common terminal and Line 1 of the power supply.
How do you reduce the Power dissipation?
Answer for mechanical systems:Use oil or grease to reduce friction!Answer for electrical systems:Making the voltage as high as possible is a good way to reduce power loss.ExplanationThe voltage drop along a conductor is proportional to the resistance and to the current carried. (V=IxR) So, for a given quantity of Power (W=VxI), if the voltage is made as high as possible there will be less current flowing and therefore less power loss.
What is a fire protection class?
A fire protection class in the USA is a number between 1 and 10, based upon an independent evaluation of the availability of fire protection for a particular location or particular structure. The primary considerations are whether there is a fire department within a few miles, with proper equipment and training, and a with sufficient water supply for the necessary fire flows.
What are the Fire Protection Class Codes for Walton County Florida?
The Fire Protection Class Codes for Walton County, Florida are typically based on the distance from a fire hydrant and a fire station. The classifications range from Class 1 to Class 10, with Class 1 being the highest level of fire protection and Class 10 indicating that there is no recognized fire protection. It is recommended to contact the local fire department or insurance provider for the specific Fire Protection Class Code for a particular address in Walton County.
State two reasons why computer needs to be connected to a stable power supply?
A stable power supply is crucial for a computer for several reasons: 1. Prevention of Data Loss: Sudden power outages or fluctuations can lead to data loss or corruption. A stable power supply helps prevent these issues by ensuring that the computer's components receive consistent power, reducing the risk of data loss. 2. Protection of Hardware: Fluctuations in power supply can damage the computer's hardware components, such as the motherboard, hard drive, and processor. A stable power supply helps protect these components from damage, prolonging the lifespan of the computer.
Will a 12 v 5amp power supply burn up your 12 v 1 amp device?
No ~ the power supply is capable of supplying 5 Amps, but the device will only draw 1 Amp. Therefore the power supply can still safely supply another 4 Amps if required.AnswerIt's important to understand that the '5 A' referred to in the specification of your power supply is its capacity -the actual current drawn from the power supply is determined by the load you attach to it. So, if your load requires only 1 A, then that's how much current will be drawn from the power supply.
Can you use a 12 volts 3 amp power supply on a 12 volt 500 milliamp device?
Your power supply can supply 1 A, but your device requires 2 A. So the power supply will be overloaded. So the simple answer is no.
Can you use 1 amp power supply for 1.5 amp device?
It is not recommended to use a 1 amp power supply for a 1.5 amp device as the power supply may not provide enough current to operate the device properly. Using an underpowered power supply can lead to overheating and potential damage to both the power supply and the device. It is best to use a power supply that can provide the required current for the device.
What is a medical grade power supply?
Medical grade power supplies have additional components to isolate line voltage from internal voltage. Usually a 1 to 1 transformer with current and voltage cutoffs are used to transfer the energy from the mains to the internal circuits of the power supply. there are also additional opto isolators on the power supply that keep the external power from having any wired path to the internal side of the power supply.
1 How long does a power supply retain power after the computer is turned off?
A computer power supply has capacitors and can maintain power for a along time. See:http://en.wikipedia.org/wiki/Capacitor#Hazards_and_safety
Class px ct?
Class PX is the definition in IEC 60044-1 for the quasi-transient CT formerly covered by Class X of BS-3938, commonly used with unit protection schemes. These are Protection CTs used for Earth fault protection. Knee point voltage is an important parameter for these type of CTs. Shaikh
How do you grade up micro volts to volts which can operate any small devices?
The voltage can be changed by a transformer, but the power remains constant. So if you have a supply of 1 microvolt, it would have to supply 1 million amps to give a power of 1 watt (power = volts times amps).
Can you use a power supply with more amps and not fry the unit?
you will need to be allot more specific on what you are trying to do here. what is the difference in amps. what is the device Generally speaking it is good practice to only use the power supply that the device is rated for. the biggest issue you will have is this Power = voltage * current (simple version) if the power supply you had was 12v at 1 amps then you ca supply 12Watts of power if the power supply you had was 12v at 10 amps then you can supply 120Watts of power Just because you can supply 10 amps, and all you need is one, means your power supply is bigger than it needs to be. The device will draw what it is intended to draw. Just make sure the voltage matches.
How long can a level 1 FHP survive without re-supply of class VIII?
72 Hours
