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DE3813656A1 - Arrangement for an electricity meter with ...
https://patents.google.com/patent/DE3813656A1/en
For electricity meters with an audio-frequency ripple control receiver which is integrated in the meter housing and which influences switching means for switching over the tariff devices, it is...
EUROPEAN RADIO RIPPLE CONTROL
http://www.efr-funk.com/com/download/pdfs/funkrundsteuerung.pdf
Audio frequency ripple control – radio ripple control Properties Audio frequency Radio ripple control ripple control Several unit manufacturers + + Flexible tariff adjustment + + System availability + + Service life of receiver + + Installation - + Transmission speed - + Modulation range - + Influence on voltage quality - +
Blackouts - no thanks! Audio frequency ripple control ...
https://www.instrumentation.co.za/news.aspx?pklnewsid=29657
The audio frequency ripple control transmitters control many different types of devices and are responsible for more than 70 000 recipients overall. Although the principle of controlling the grid using audio frequency pulses in a high-voltage grid is considered antiquated from a technical point of view, the approach was deemed sufficient to ...
The Landis+Gyr FQD 2..7 ripple control transmitter …
https://www.landisgyr.eu/webfoo/wp-content/uploads/product-files/EMEA_LM_FQD_Transmitter_Brochure.pdf
The audio-frequency pulses injected in the network are monitored with control receivers. ... Ripple control frequency 110–1600 Hz, programmable AF output voltage (phase-to-phase) 400 VAC 400 VAC 400 VAC 400 VAC 760 VAC 760 VAC other on request Transmission frequency stability Better than 0,01%
Audio-frequency injection transformers for ripple control ...
https://www.freepatentsonline.com/4156221.html
A coupling transformer for networks with superimposed audio frequency voltage, especially for ripple control systems, with primary and secondary windings rigidly coupled with each other and arranged about an iron core; the primary and secondary windings surround one another coaxially and are separated and insulated from one another by a cast resin insulation, whereby only one …
Ripple Control of Hot Water in New Zealand
https://www.eeca.govt.nz/assets/EECA-Resources/Research-papers-guides/Ripple-Control-of-Hot-Water-in-New-Zealand.pdf
ripple control as their main demand management tool since the 1950s. Ripple control involves control plant (Figure 1) sending an audio-frequency signal through the ordinary electricity network (Figure 2). This signal is detected by ripple relays located next to consumers’ meters (Figure 3), or embedded in a modern smart meter.
5,600 138,000 175M
https://www.intechopen.com/chapter/pdf-preview/49069
9. Mains signaling, audio-frequency centralized ripple-control 2.1. “Pro-prosumer” approach” — Feed and forget, unconditional connection The “pro-prosumer” approach is related to unconditional connection criteria used in the electromagnetic compatibility emission limit references. Generally, the idea is to connect small-
Distributed Generation and Its Impact on Power Quality in ...
https://www.intechopen.com/chapters/49069
Mains signaling, audio-frequency centralized ripple-control Transmission of control signals used by the system operator is usually in the range of frequencies 100–1500 Hz. The general principle is that the connection of distributed generation does not interfere with the transmission signals.
Ripple Control Systems | MV Technology Solutions
https://www.mvtech.com.au/ripple-control-systems
The Swistec Ripple Control Transmitter SRS is especially optimized for ripple-control tasks: Suitable for all types of coupling (parallel or series) Control unit and transmitter form a single unit. Control, operation and supervision take place via a TCP/IP-connection. The SRS transmitter can be synchronized with other transmitters
What Is Ripple Control? | Hot Water Cylinders LTD New …
https://www.hotwatercylinders.nz/blog/what-is-ripple-control/
Ripple control is the most common form of load management, and is used in many countries worldwide. It works by superimposing a high frequency signal, usually between 100 and 1600Hz onto the standard 50-60 Hz main power signal.
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