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In response to increasing pressure on the Vietnamese dong as a result of high inflation in the US, on 17 October 2022, the decision was made to increase the dong's trading band from 3 to 5 percent. As a result, from 16 October to 24 October the currency lost 2.98 percent of its value falling from 24,135 to 24,845 Vietnamese dong to the dollar. [44]
A simple voltage dropper can be used to reduce the voltage for low-power devices; if more than 12V is required, or for high-powered devices, a switched-mode power supply is used. The output will usually be DC in the range 1.5–24 V. Power supplies that output either 100–120 V AC or 210–240 V AC are available; they are called inverters ...
Purchasing power parity (PPP) [1] is a measure of the price of specific goods in different countries and is used to compare the absolute purchasing power of the countries' currencies. PPP is effectively the ratio of the price of a market basket at one location divided by the price of the basket of goods at a different location.
20 Dong, 1946 5 Dong, 1947 100 Dong, 1948. The government (Việt Nam Dân Chủ Cộng Hòa) issued two forms of paper money for this currency, "Vietnamese banknotes" (Giấy Bạc Việt Nam) and "Credit notes" (Tín Phiếu). In 1946, banknotes were introduced in denominations of 20 and 50 xu, 1, 5, 20, 50, 100 đồng, together with credit ...
A power converter is an electrical device for converting electrical energy between alternating current (AC) and direct current (DC). It can also change the voltage or frequency of the current. Power converters include simple devices such as transformers, and more complex ones like resonant converters.
In 2009, following regions whose currency has been selected into calculation of VND Index are: United States, China, Japan, Europe, Singapore, Taiwan, and South Korea.Those seven regions are chosen, whose currencies selected into the index, based on the value of their export and import to Vietnam:
The highest power rating of any single HVDC converter (twelve-pulse bridge) in operation was 2000 MW in 2010, on the ±660 kV Ningdong–Shandong scheme in China. Two such converters are provided at each end of the scheme, which is of conventional bipolar construction. [2]
Articles in this category are about converting electric energy from one impedance, phase or frequency (including direct current) to another.But the energy form remain in the same domain and the focus is on energy conversion – not signal conversion or measurement (like Current-to-voltage converter or Voltage-to-current converter).