Yaskawa NPSA-SM-20B Thyristor Excitation Power Supply Module

Product Description

Yaskawa NPSA-SM-20B is a thyristor exciter power supply unit, a core spare part of generator excitation control system. It supplies stable excitation regulated output for synchronous generators. It belongs to Yaskawa legacy excitation series components, commonly used for excitation cabinet retrofitting and spare parts replacement in old power stations. It features high reliability and strong anti-interference performance. It is an industrial legacy spare part widely traded in power plant automation spare parts market.

Specifications

Note: This model is obsolete stock spare part, full original datasheet is limited; below are common industry parameters

• Brand: Yaskawa
• Model: NPSA-SM-20B
• Type: Thyristor Exciter Power Supply Module
• Control: Thyristor phase-controlled rectifier excitation
• Compatible equipment: Synchronous generator excitation regulation system
• Mounting: Cabinet plug-in type
• Operating temperature: 0~55℃
• Protection class: IP20
• Function: Excitation power output & excitation current regulation
• Lifecycle: Obsolete, mainly refurbished / used stock available

Application

1. Supporting excitation control cabinets of small & medium steam turbine generators and hydro generators
2. Excitation system retrofitting and spare parts replacement for power plants and captive power stations
3. Captive generator sets and waste heat power generation excitation control loops
4. Maintenance & replacement spare parts for original Yaskawa old excitation packages

Same Series Models

NPSA-SM-05B, NPSA-SM-10B, NPSA-SM-15B, NPSA-SM-20B, NPSA-SM-25B, NPSA-SM-30B