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NF BA4825/BA4850 bipolar amplifiers
H&H NL series Bipolar power supplies
NF BP4610 bipolair power supply
Cinergia B2C series bidirectional battery charger
A bipolar amplifier is distinguished from a ‘normal’ power supply, because it has the ability to operate in multiple quadrants.
The bipolar, two-quadrant model can supply power at positive or negative voltage. A common application is to enhance the output power of an (arbitrary) function generator (quadrant 1 and 2). However, a bipolar two-quadrant model may also be structured so that it is able to supply or dissipate electricity at a positive voltage. Such units are ideal for, for example, charging and discharging batteries or supercapacitors (quadrant 1 and 4).
A four-quadrant bipolar amplifier is capable of both supplying current (power supply) and absorbing current (load). All of which, of course, at both positive and negative voltage. A good example is the control of RCL networks, at which the capacity or coil generates energy back into the power supply when it is disconnected.
In our product range we carry Höcherl&Hackl amplifiers, Toellner, NF Corporation Cinergia, and Newtons4th with power up to 200kVA, voltages up to 750V, but also frequencies up to 50MHz.
Latefa El Amrani
As an independent calibration laboratory of electrical/electronic temperature and geometric measuring equipment, we and our customers benefit from accurate measurement results and good traceability. This requires good and stable measurement and control equipment. To achieve this, a reliable partner is needed that offers high quality and thinks along with us, and TTMS is such a partner. We have been working in good collaboration with TTMS for many years. Technical problems are challenges for them and questions are answered quickly and adequately. TTMS is pro-active: they always think along with us. They are also customer-oriented, flexible, committed and reliable. They always live up their appointments. Also, they are experts, provide good advice and deliver the right equipment. In short, MetricControl likes to work with TTMS.
Joop van Bijnen
I have been doing business with TTMS for years. They offer us good advice, and have a wide range of products to choose from. Before we decide to purchase a product, TTMS allows us to use a demonstration model to experience for a few days whether the product meets our expectations. They think along with us and don't try to sell me just anything. Should it occur, for whatever reason, that there is a defect in the equipment of TTMS, they will follow up with the required service with regard to repair and, if necessary, a replacement. With its service, TTMS invests in a good and lasting customer relationship.
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