Intelligent LV reactive compensation box
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Intelligent LV reactive compensation box
1. Purposes and characteristics
LV intelligent reactive compensation box of XBZW type can be installed with the transformer on the same pole or the linepole or the wall, etc. It keeps the priority of power factor on on-load feedpoint by selecting suitable capacity,
LV intelligent reactive compensation box ofXBZW adopts distribution intelligent monitor terminal as the control core, the intelligent monitor terminal adopts full digitized design，AC sampling, man Machine Interface of a large screen LCD of 128*64 lattices, and full metal enclosure design to improve efficiently the index of electromagnetism compatibility.
The installation of it is in accordance with the DIN standard, with the installation of an embedded/wall mounted series, the main board adopts AMT SMT (surface mount technology) equipment with power distribution monitor,reactive power compensation, harmonic analysis, incident record, electrical energy measuring, I/0 interface, and temperature sensor interface. The device provides serial port 1 of RS232/485 and serial port 2 of RS—485, the serial port 2 is a data transmission serial port to mainly support the multi-function electronhour meter. The communication method of serial port 1 supports twisted-pair, coaxialline, data radio and CPRS, which also can be commutated with the cooperation of light MODEM and optical fiber.
2. Technical specification
2. technical data
Operating power supply range: 85V～265V(type)
Weight: 1.5kg
Measuring signal:0~5A
Measuring mode:AC sampling
Measuring voltage: 59V~280V
Measuring current: 0～5V
Measuring power factor: lag 0.200~ preact 0.200
Measuring harmonic: Spectrum manner display
Measuring active power: 0～999.9Kw
Measuring reactive power: 0～999.9Kavr
Measuring active electrical degree: 0～9999999.9Kw/H
Measuring reactive electrical degree: 0～9999999.9Kavr/H
3. Function description
This equipment can record once after every 15minute interval, and can save 90 days history records. The record density can be chosen by 15 minute, 30 minute, 45 minute, and 60 minute. For the operation of this equipment, please see the communication rule as a reference.
4. Guide line for switch control
The controller complies with the control ruleof the shape of” # “, the users can reset the upper or lower limit for eachphase and reactive power.
1) The controller is in the state of auto switch when the voltage is between UL and UH. (UL is under voltage threshold for the users, UH is over voltage threshold for the users)
2) It can be blocked when the voltage is lower than UL. It can not be put into use when the lack of reactive power, and the parts that have been put into operation should be cut off, it can be unblockedand returned to the state of auto switch when the voltage is higher than UL.
3) It can be blocked when the voltage is higher than UH. It can not be put into use when the lack of reactive power, and the parts that have been put into operation should be cut off, it can beunblocked and returned to the state of auto switch when the voltage falls backto UH-6.
4) In the state of auto switch, the controller measures on-load reactive power, if the value of on-load inductive reactive power is larger than the set value of switch on, then the capacitor switches in, the capacitor will switch out if the capacitive reactive power is more than the set value of switch off.
- Q:1 explain the difference btween a conductor and an insulator in terms of the transfer of electrons. Why are problems with static electricity common in winter than at other times of the year? How could any of these problems be reduced?Why is cleaning dusting more difficult in winter?List at least 2 reason why you think plastic materials are used to cover the copper wires in electrical equipment.
- 1. In a conductor, electrons transfer easily from atom to atom. In an insulator, it is extremely hard to cause electrons to shift atom to atom. (edit) This means an electrical current cannot flow in an insulator, as electrons must move in a conductor. (end edit). 2. In winter, the air contains less moisture. Therefore static charges will not dissipate as quickly as they will in moist air, and are more easily generated. 3. For the above reason, moving dust particals can easily induce a charge in them, which will be of opposite polarity to the surface. They can be attracted back to the surface. Using a slightly moist cloth can help when dusting in winter. 4. Plastics etc. are electrical insulators. Plastic insulation is very easy to apply to a conductor by extrusion around the conductor, in a plastic extrusion machine. The material is heated to a suitable plastic constituency. Plastic insulations are NOT used in extreme heat or cold situations for conductors. If you live in the US, you will see lots of rubber insulated power leads, as plastics can get more brittle and fracture in cold conditions. Plasticity is the state between solid and liquid, which is where all plastics are worked. In fact, many materials other than plastics can be worked in a plastic state, even metals!
- Q:I recently came across an article that many Jews are now reevaluating whether electricity really is tantamount to lighting a fire, a forbidden act on the Jewish Sabbath, due to advances in our understanding of electricity through modern science. Is anyone aware of changing opinions on the use of electricity on the Jewish Sabbath? Are some Orthodox groups really changing their position?
- Please read the verses up to and past Jeremiah 8:8. Read all the versions. KJV is s poor translation. What do you think a lying pen of the scribe that works falsehoods is? The people did not know the true law of God because of them. Think about this for awhile and read the first few chapters of Levitcus to a child and see what they think. Follow God, not the lying pen of the scribes that changed scripture! Edit: I said KJV was bad translation did I not? I am not a Jew either. I just try to use common sense and follow what Father and Yeshua (Jesus) said. Can you not tell the things they did not say? BTW: Why not be concerned about Father's Law over Jewish law? I also believe in and keep the seventhday sabbath and do not and will not attend any church. Do you follow man or do you follow Father in Heaven? That is the question we must ask. I dare you to study Jere. 8:8 with an open mind and heart. If not, you just don't care to follow the true Father in Heaven. That is up to you. Look at Annt: This is the perfect example of man made law. You have got to be kidding. It is total non-sense. Wake up and listen to what Father places in all of our hearts, not to man made non-sense.
- Q:1.What is Rated AC voltage? Why we would like to state Rated instead of Nominal?2.What is Nominal AC voltage?3.Explain rms value for AC voltage. What is it's relation to Rated/Nominal Voltage?
- Rated Voltage
- Q:Fires are classified by the fuel involved. Name the type of fire extinguisher which must be used in the event of the each of the following fires 1. Cooking oils 2. Flammable liquids 3. Electrical equipment Thanks.
- web.utk.edu/~ehss/fire/exttypes.h
- Q:for school we have to do a video on electrical safety and what to do and what not to do in a office (at work) and please give me some ideas to have that arent not to touch a live wire because i already have that idea! thank u and please help me out
- 1. Don't overload receptacles with too many plugs. 2. Don't cut up extension cords to make them work on equipment they shouldn't. (for example - Don't cut a standard extension cord plug end off, and splice it with a printer power cord, if the plug end of the printer is still good, but the wire is bad. - The cable you splice may not be rated high enough to handle the amperage of the printer) 3. Make sure electrical items aren't in areas they can get wet - A leaky roof, dripping onto a light fixture. 4. Don't run power cords across the path of forklifts, or other vehicles unless they are rated to be able to withstand that kind of traffic. 5. Make sure a qualified electrician does electrical installations - Things can get wired incorrectly and short out, spark, or catch fire if wired wrong. 6. Always use wire nuts, and/or electrical (rubber) tape when applicable when connecting wires together - this prevents loose connections, and prevents arcing or sparks from the live wires touching metal objects or each other. 7. When digging in the ground more than 12 deep, make sure you call the electric and gas companies first - Usually electrical and gas lines (water lines sometimes too) are about 18 below the surface. If you cut or break these, you can potentially be killed if you come in contact with the electrical lines, because the voltage outside of your home or building is considerably higher than the voltage wired indoors. Hope these help!
- Q:electrical safety product
- In a way they are the same thing, but the lightning arrester works better. A regular surge protector protects against sudden surges in the power line much like a circuit breaker. It may not work on lightning because lightning has enough power to sometimes jump past that break in the circuit--to plan for lighning you need something much better, and it should redirect that energy back to ground rather than just breaking the circuit.
- Q:Basically a reptile shop is selling some dangerous equipmet which I have brought. These include a un-ballasted fluorecent bulb unit (some home made unit using a plug a terminal and 2 end caps) (the vivarium looks burnt) (I wonder why :P) and they sold us a second hand starter unit (ballasted) which stank of smoke and had a 13 amp fuse however should have had a max 3 amp fuse. They are very un-knowledgeable about reptiles and the fuse to the starter unit looked burnt on the ends. I'm just worked about the safety of others who buy their equipment from there as I know for a fact most of it's dangerous. They sold me a 30w starter unit for a 15w bulb which I brought from them at the same time, any ideas who to contact about this unsafe store (I'm in the uk) thanks. :)
- Trading standards, local council. Local newspaper maybe if you are really unhappy about it they will for sure close the place down
- Q:Here is the deal. I am majoring in Software Engineering. Which includes a fair bit of coding. I wanna be that guy who can make a robot or a Cell phone or Mp3 player or some sort of gadget. I want to do a dual degree with software engineering. So that i can do the software and make the device. So the plan is like this. If i make a robot i can write code too to make it move and all so that just eliminates 2 minds work. So i want to know which is the appropriate branch. Electrical or the Mechanical.What is the diffence between the two. I went to a college a few days ago and the guy there had made a robotic car. I forget if his major was EE or ME but he was doing Computer science minor. Can someone tell me what it could be ?? I want to make electronic devices. So like you can say that i want to make an iPhone sitting at home all by myself. Which 1 should i pick.Thanks a lot!!!!!!!!!
- Look it up.
- Q:If i were to give a hybrid vehicle to a teenager, and they decided to add a bunch of high powered electrical equipment:1. Does this utilize the same battery that the car motors use to propel the car.2. Do gas-electric hybrids have alternators capable of generating electricity while the car is running?3. What are the limitations of adding additional electrical accessories to the car? ie. DVD players, video screens, amplifiers, extra power outlets for laptops
- 1 Yes there is a seperate battery for auxillaries and a seperate battery that runs the electric motor/charger. 2 the alternator that runs the auxillaries is a normal 60 to 90 watt unit. It cannot charge the batteries that drive the car. 3 no differant than addind to a regular car.
- Q:I know converters exist, but are they safe for high end audio equipment?I have a digi 002 rack, grace M101, and great river pres.would a power conditioner help me?
- Pull out the bottom prong. It is safe, and in almost no way affects your device. The third bottom prong is to make sure the device doesn't shock you. You'll be fine without it.
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Intelligent LV reactive compensation box
- Ref Price:
-
- Loading Port:
- China Main Port
- Payment Terms:
- TT OR LC
- Min Order Qty:
- -
- Supply Capability:
- -
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