NEGISHI SEISAKUSHO Negishi was founded in Showa 31 as a magnetic amplifier winding processing company. After that, he completed transistor amplifiers, various control devices, and remote control devices for diesel ships and turbine ships, and built the foundation for the first time on the shipbuilding boom of the 1940s. In the 1950s, aiming to switch to land-related, the acquisition of patents for rotary machine control equipment such as engine generators was taken as an opportunity, and adopted sequentially by the Coast Guard's patrol ships, ships of the Maritime Self-Defense Force, and emergency power generation equipment on land. Today, we have acquired industry-leading technology and numerous patents in electric automatic control equipment, automatic voltage regulators (AVR) for alternators, and many patents.
Products :
Automatic voltage regulator
It is a device that precisely controls the output voltage of the synchronous generator.
Automatic synchronization input
It is a control device that automatically links generators with each other when two or more generators are operated in parallel, or when they are operated in parallel with commercial power supplies.
Automatic load balancing device
It is a device that automatically adjusts the power distribution to each generator when two or more generators are operated in parallel.
Automatic speed control
It is a device that sends a control signal to the control device of the diesel engine that drives the generator.
Various control relays
It is a device that monitors the operating status of the generator (voltage, phase, frequency, etc.) and sends signals to the control panel with a relay.
Various power supplies
We will produce various power supplies according to the customer's request.
Special transformer
We manufacture transformers, current transformers, compound reactors, AC reactors, etc. according to customer requests.
NEGISHI SEISAKUSHO SPEED RELAY SRT2
