FOB Price
Get Latest Price|
Minimum Order
Place of Origin:
China
Price for Minimum Order:
-
Minimum Order Quantity:
1 Set
Packaging Detail:
wooden case
Delivery Time:
25 days
Supplying Ability:
40 Set per Month
Payment Type:
Western Union, L/C, T/T
Contact Person Ms. Angela
no.118 West Fuxing Road, Baoding, Hebei
|
FUNCTION
|
Neutral Grounding Resistors are used to protect
power transformers, power generators and other associated equipment
in your power systems against *0/*0 Hz faults (short circuit) and
transient phenomena (lightning).
|
|
SPECIFICATIONS
|
There are six parameters needed to specify the
neutral grounding resistor.
1. Rated voltage line to neutral or system voltage. 2.
Rated fault current.
3.
Rated “duration time” of the line to neutral voltage not exceeding
the allowable temperature rise.
4.
Rated Resistance.
5.
Application environment, indoor or outdoor.
6.
Enclosure material, ss plate or normal cold rolled
sheet.
|
|
RANGE
|
Rated current: from 1 amp
to***0 A
• Rated voltage: from 0.4 to
*5kV
• Rated Resistance: from 1 ohm to ***0
ohm
• Rated time: 1 sec to continuous time
rating
|
|
TESTING AND QUALITY
|
All Mingrui Neutral Grounding Resistors are
designed, rated, manufactured and tested in strict compliance with
IEEE**2. Routine tests performed on each Neutral Grounding Resistor
are measurement of resistance, high voltage power frequency,
insulation measurement, aspect verification, dimensional control.
Mingrui’s internal quality system has been developed and certified
under ISO ***1 quality system
|
|
CONSTRUCTION
|
Standard unit includes the stainless steel
resistor assembly plus all the required insulators, internal
connections and hardware installed in a standard safety enclosure.
Neutral Grounding Resistor units are completely assembled,
prewired, and tested at our facility. For shipping all units are
crated for added protection and ease of
handling.
|
|
ENCLOSURE FEATURES
|
•
Forged eyebolts in all four corners for easy
hoisting.
• Removable front and rear louvered covers for easy access for connection and inspection. •
Corrosion resistant nameplate provides complete ratings and
manufacturers information.
•Heavy gauged enclosure polyester powder coated
finish provides maximum protection.
|
|
ENCLOSURE OPTIONS
|
•Stainless steel, cold rolled plate construction.
Custom paint finish is available.
• Top or side mounted entrance bushing(s). • Screened covers for indoor applications. • Support stands for elevating the enclosure above ground. |
|
OPTIONS
|
•
Current or groundingl transformers mounted and prewired at our
facility
• ON or OFF Load disconnecting switches |
