Loading Port:Tianjin
Payment Terms:TT OR LC
Min Order Qty:1 unit
Supply Capability:30 unit/month
Neutral Grounding Resistor is used to protect power transformers, power generators and other associated equipment in your power systems against 50/60 Hz faults (short circuit) and transient phenomena (lightning).
Applicable Standards
The design of the product complies with the flowing standards:
DL/780-2001 Neutral Grounding Resistor in Power Distribution
IEC726 Dry-Type Power Transformer
DL/T620-1997 Overvoltage Protection and Insulation Co-ordination of AC Electrical Equipments
IEC60-1 Experimental Technique of High Voltage
GB1208-1997 Current Transformer
IEC60529:2001 Enclosure Protection Degree (IP code)
IEEE32-1972 Technique Terms and Experiment of Neutral Grounding Device
IEC60081 Insulation Co-ordination of Transmission and Distribution Device of High Voltage.
DL/T593-1996 Common Specifications for Purchasing High Voltage
Switch Equipment.
GB50150-1991 Electrical Equipment’s Hand-over and Test Standard of
Electrical Device Installation Project.
Typical Technology Parameters
Product Model | System Voltage （kV） | Rated Current （A） | Current Flowing Time in short Time（S） | Rated Resistor Value Ω （±5%） | Insulation Withstanding Voltage kV | |
8/20μS Thunder Stroke | 1min Power Frequency | |||||
MRD-BJ-6/36.4 | 6.3 | 100 | 10 | 36.4 | 60 | 32 |
MRD-BJ-6/18.2 | 6.3 | 200 | 10 | 18.2 | 60 | 32 |
MRD-BJ-6/9.09 | 6.3 | 400 | 10 | 9.09 | 60 | 32 |
MRD-BJ-6/6.06 | 6.3 | 600 | 10 | 6.06 | 60 | 32 |
MRD-BJ-10/15.16 | 10.5 | 400 | 10 | 15.16 | 75 | 42 |
MRD-BJ-10/10.10 | 10.5 | 600 | 10 | 10.10 | 75 | 42 |
MRD-BJ-10/7.57 | 10.5 | 800 | 10 | 7.57 | 75 | 42 |
MRD-BJ-10/6.06 | 10.5 | 1000 | 10 | 6.06 | 75 | 42 |
MRD-BJ-35/20.20 | 35 | 1000 | 10 | 20.20 | 185 | 95 |
MRD-BJ-35/10.10 | 35 | 2000 | 10 | 10.10 | 185 | 95 |
