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: hi guyscan you explain in simple words what is earthing process and how it helps to secure human from detected current.thanks
- Earthing system helping for Human safety to avoid electrocution due to earth leakage.Earth is acting like a Huge conductor because of it minerals Moisture contend (water).If any electrical equipment Insulation failure leakage will be there ,if the same equipment is not Grounded ,there is a possibilitiesof getting electric shock to Human.If the same equipment is Grounded the leakage current will flow to Earth protect from electric shocks Trip the circuit. Pl. check this link for brief idea.
- Q: electrical equipments like resistor,capacitor, transistor, etc
- you have to go to asan you kind find many stores selling them. You just go to asan and ask for anyone there they will tell you the way correctly.
- Q: At around 11:30PM on January 23rd, 2007 as I was typing on my PC the lights began to flicker and my computer began turning on and off. The lights then became extremely bright followed by a booms outside then the lights dimmed so low it looked as if they were about to burn out. The house phone was on began to cut out and made a loud screeching sound and thensilence.These strange events lasted for nearly 15 minutes when a knock at the front door got my attention. It was a fireman informing me to shut off my computer if I had one because of electrical problems that were occurring in the area. I immediately did so.It was not until the morning I discovered that my two TV's, all three cordless phones, a microwave, two alarm clocks, my entire computer, VCR/DVD, DVR/Cable Box had all been destroyed due to the massive power surge they endured. After surveying each and every unit I learned that all appliances in every apartment was damaged or destroyed.Who is to blame for this?
- In many states, the local electrical utility is responsible for delivering proper power to their customers and when they don't, they can be required to replace any damaged equipment. They get to sue people who cause them problems (like an accident that damages their equipment, which then damaged your equipment). You should contact your local utility to see if they will voluntarily replace your losses, and if not, then contact your state power utility regulators to see if they can be compelled to. You, as a public utilities customer, should not be not required to foresee all of the possible power problems that might occur -- that's the utility's job. You probably ought to get a copy of any police or fire report of the incident that led to the fireman knocking on your door. That would probably help your case when you file a claim with the utility or state regulators.
- Q: For the past week, IT has been making the worst of coffee. This morning, I told IT that: If you don't make a good Espresso today, after 5 years, I will replace you!I don't know what happened, but IT, made a wonderful Espresso, even if the little foam on top !! Good morning !!
- Glad to hear your machine responded to your plea! Mine definitely has a mind of its own as the strength of the coffee varies greatly even when I put in the same quantities of water and coffee each time.
- Q: I am an electrical engineering graduate with very little knowledge of business studiesHowever, I will be beginning my career as a procurement engineer in October.In your own words, what is this?and what duties might it involve?Warm regards,de Róiste BSc
- You will probably be responsible for specifying electrical equipment required for purchase for various projects, for recommending various vendors to obtain bids from, for putting request for equipment bid packages together, and then for making recommendations for which vendor(s) to buy from. Seems like you should have asked your employer what your duties would be.
- Q: I sprayed electrical cleaning fluid, which evaporates really fast, into my ipod touch's headphone jack, seeing as it was giving me problems having to adjust the tips of the audio equipment I hooked it up too, I should have used a q tip, and I sprayed it into the connector port as well. and my screen, well. Its kind of, weird, and I am kinda angry about it but then agian, its really cool lol Its like, making these 3d bubbles of darkness on the screen, it doesent go completely out, but it gets darker in some areas, and its really bright in the other If I have a pure white backround showing on my ipod, it looks like I am looking at a cloud. a horribly, vivid, cloud, for a screen Any suggestions or reasons why this might have happened? it looks like fluid got on something and somehow never dried, and is like, being displayed on the screen underneath it, but I Know I did not spray that much . I screwed up dident I Technically its still good to me though.
- your proberly using the contact cleaner that eats @ some plastics, you should have bought the good stuff lmao :), i was gunna buy some yesterday but it was like 23 bucks
- Q: A. Lockout/Tagout involves placing a physical lock and a tag on electrical equipmentB. Lockout/Tagout is necessary prior to working on electrical equipmentC. Lockout/Tagout is intended to ensure that electricity is not returned to the equipment by anyone until it is safe.D. Lockout/Tagout is to be used only in extreme cases of potential electrical hazard.
- D is not true - a lock out tage is used whenever applying electricity to the circuit would result in dangerous conditions. When repair work is being done on the circuit equipment for example. Lock out tage are used for more then just electrical too.
- Q: I have been trying my best to put some few things together as per building electronics and electrical equipment but i really lack circuit diagrams that can put me through. i presntly need a circuit diagram of an inverter with atleast 20kVA output.
- pspice
- 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. :)
- Initially you should contact your local Trading Standards Office, run by your local council. The number will be in the local phone book. Make sure you can present your evidence clearly.
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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:
- -
OKorder Service Pledge
OKorder Financial Service
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