Description
Product details:
The REG216 microcomputer generator is suitable for ground fault protection of generator in group configuration
• Compact design
• Perfect match with REG216/ REG316 * 4
• Protection windings providing the entire stator include neutral points
• Continuous supervision of injection voltage and primary grounding system
• Suitable for two separate ground points within the protected area
• Continuously self-supervise the injection relative to amplitude and frequency of the signal
• Auxiliary DC power from station batteries from 36 to 312 volts DC
• Suitable for all common generator grounding and excitation systems
• Continuously monitor the resistance and calculate the resistance for insulating ground faults
• The principle is based on the well-known bias method, using the low injection method frequency signal
• Applicable to existing plant updates
• Insensitivity to outside interference
The device is suitable for group configuration of generator ground fault protection on the generator side. In order to
achieve 100% stator and rotor ground fault protection using REG216/316*4, injection unit REX010 and injection transformer
REX011 are required. This injection equipment can be used for all common equipment generator grounding and excitation
systems. In all states, protection is effective for machines that are stationary, started and worn out.
Ground fault protection is based on the injection of coded signals. The resulting offset voltage is used to calculate the ground
resistance (Rf). The filling signal is generated in the filling unit REX010 and acts on the generator through the transformer
unit REX011. Is coupling with the resistance of the protected unit (RE, RP). Two capacitors addition is required for rotor ground fault protection.
Ground fault protection is measured by REG216 or REG316 * 4 respectively. The described device is 100% protected against
generator stator windings. Two separate protection functions are employed: one for 95% and one for 100% stator windings,
using different algorithms. The 100% function is to calculate the ground resistance and the 95% function is to measure the neutral voltage generator displacement.
a) 100% function protects 35% stator windings away from neutral points for Rf = 0 and I0max = 15 A
b) 95% function (U>) protects 95% of the generator stator windings from the terminal. This results in overlap (redundancy),
as shown in Figure 1. The 100% function increases the sensitivity as the grounding fault resistance increases and the grounding fault current decreases.
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Please contact Sunny sales@xiongbagk.cn for the best price.
➱ sales manager: Sunny
➱ email mailto: sales@xiongbagk.cn
➱ Skype/WeChat: 18059884797
➱ phone/Whatsapp: + 86 18059884797
➱ QQ: 3095989363
➱ Website:www.sauldcs.com