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Oct 04,2020
During 1st quarter in 2020, for the reason of Covid-19, Medium Voltage STATCOM projects are delayed or stopped in China. But from March, the conditions has been better and the projects status has been normal from the 2nd quarter. From the 2nd quarter to now,we have finished installatlion and commissioning of some Medium voltage Stacom projects, such as 10kv/4Mvar, 10kv/2Mvar, 35kv/12Mvar, 10k...
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Jan 21,2021
ZDDQ Engineers give an example for reference, An Alternator is supplying a load of 650 kW at Power factor 0.65. What size of Capacitor banks (kVAR) is required to raise the Power Factor to unity (1 or >0.95)? And how many more kW can the alternator supply for the same kVA loading when P.F improved. Supplying kW = 650 kW Original P.F = Cosθ1 = 0.65 Final P.F = Cosθ2 = 1 θ1 = Cos-1 = (0.65) = 49°...
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Feb 03,2021
HV/MV Power factor correction is directly related to the different aspects that assist the technical management of transport and distribution networks. These are: Power quality This involves the increase in the levels of voltage in substation busbars and line ends. Optimisation of the installation's cost of operation In other words, the decrease of the reactive energy and, therefore, the reduction...
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Mar 20,2021
A capacitor bank is a grouping of several identical capacitors interconnected in parallel or in series with one another. These groups of capacitors are typically used to correct or counteract undesirable characteristics, such as power factor lag or phase shifts inherent in alternating current (AC) electrical power supplies. FEATURES: Power factor correction by multi step design Standard & detu...
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Apr 12,2021
Power Quality Solutions and Energy Savings One of the most significant changes in the Power Quality industry in the past five years is the method of selling Power Quality solutions. Originally, Power Quality solutions were sold as an insurance policy to avoid potential damage from power disturbances such as transients,voltage sags, interruptions or harmonics. Today, many Power Qu...
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May 05,2021
A SECONDARY SOURCE Electricity is the set of physical phenomena associated with the presence and motion of matter that has a property of electric charge. Electricity is related to magnetism, both being part of the phenomenon of electromagnetism, as described by Maxwell's equations. Various common phenomena are related to electricity, including lightning, static electricity, electric heating, elect...
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May 13,2021
The climate is changing - but are you? Changes in the way you live your life - both big and small - can help you reduce your own personal carbon footprint, and also encourage policy makers to act for the good of the planet. Below is a list of several easy things you can do right now to help fight climate change. The greatest threat faced by this generation is climate change. Because without a habi...
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Oct 15,2021
Overview Rapid growth of inductive electric loads on utility networks has impacted the efficient operation of AC electrical transmission and distribution grid by increasing the need for reactive power (VAr/kVAr/MVAr) that are required to be supplied with active power. Install capacitor banks to reduce the reactive power demand from point of generation to point of use in high voltage networks. Brin...
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Jan 10,2022
ZDDQ Low Voltage Capacitor Bank for Reactive Power Compensation Reactive power compensation, is a technology that improves the power factor of the power grid in the power supply system, reduces the loss of power supply transformers and transmission lines, improves power supply efficiency, and improves the power supply environment. Therefore, the reactive power compensation device is in an indispen...
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May 27,2022
ZDDQ low voltage automatic capacitor banks improves power factor in networks with variable energy demand and non-linear loads, therefore, with variable reactive load needs. Equipped with a power factor controller to regulate their automated operation and monitoring features, ZDDQ automatic capacitor banks remove power factor charges of the electricity bill and reduce the losses of electrical equip...
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Jun 30,2022
The benefits of power factor correction 1.Savings on the electricity bill Power factor correction eliminates penalties on reactive energy, decreases demand on kVA, and reduces power losses generated in the transformers and conductors of the installation. 2.Increased available power Fitting PFC equipment on the low voltage side increases the power available at the secondary of a MV/LV transformer. ...
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Jul 05,2022
Step–less reactive compensator –STATCOM Static Synchronous Compensator (STATCOM) hasearned its name as it does not have any rotating or moving parts, and yet offers a fast and step-less reactive compensation. It is based on voltage source converter (VSC) technology, which uses low-voltagecells in series to realise a high voltage output By controlling the output voltage to be either higher or lower...
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Aug 22,2022
The application of distribution system capacitor banks has long been accepted as a necessary step in the design of distribution feeders. Design considerations often include traditional factors such as voltage support, power factor, and released capacity. However, as customer systems evolve through the use of power electronics, the distribution system design of the future will include power quality...
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Sep 08,2022
ZDDQ Low Voltage Capacitor Banks provide a cost-effective, user friendly, reliable solution for power factor correction. They are a more efficient alternative to individual motor capacitors, especially in large industrial facilities. ZDDQ Power Factor Correction Panels are designed to provide power factor correction with a single installation on the main plant bus and are ideal for applications wh...
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Mar 27,2023
In low voltage distribution system, usually two solutions for the power factor correction: capacitor bank and static var generator. Low Voltage Capacitor Bank The load current provided by the grid to the electrical equipment is composed of active current and reactive current. The reactive current is exchanged between the power supply and the load, which greatly occupies the grid, greatly reduces t...
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Apr 10,2023
Medium voltage reactive power compensation begins with developing a project that meets customer requirements. ZDDQ has extensive experience in developing various types of MV compensation projects. We fully communicate with each customer who has reached cooperation, and manufacture on time according to customer needs. The picture below is a set of 3000kvar medium-voltage capacitor cabinets that we ...
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Apr 16,2023
Welcome our client to visit our Statcom Manufacture. Our Statcom product lines 3.3kV Static Var Generator 6.6kV Static Var Generator 11kV Static Var Generator 33kV Static Var Generator
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Jun 05,2023
Static Var Generator (SVG) is an electronic reactive power compensation system, for both capacitive and inductive power. Static Var Generator (SVG) is an electronic reactive power compensation system, for both capacitive and inductive power. It has the same operating principle as an active filter; the SVG injects a current in the opposite direction to counteract the installation's non-useful power...
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