>800kV Range

LQHVF 1200kV/1500pF 3-Stage Voltage Divider | Ultra-HV Measurement Solution

3-stage 1200kV capacitive voltage divider with 4000:1 ratio & 4500pF stage capacitance. Features ONAN cooling, ≤1% accuracy, and modular design for 60Hz applications.

US$ 18,255.00
Lead time: 45 days

Send email to us

>>>WhatsApp Communication<<<

Product Details

Product Tags

LQHVF 1200kV/1500pF 3-Stage Capacitive Voltage Divider & Coupling Capacitor

Precision Measurement for 60Hz Ultra-High Voltage Systems

Engineered for North American power systems, the LQHVF 1200kV/1500pF features a revolutionary three-stage modular design optimized for 60Hz applications. With 400kV-rated stages delivering 4500pF capacitance each and a precision 4000:1 dividing ratio, this system sets new standards for accuracy in ultra-high voltage testing and monitoring.

Technical Specifications

Parameter	Specification	Testing Standard
System Configuration	3 × 400kV stages in series	IEC 61869-11
Rated Voltage	1200kV AC	IEC 60137
Stage Voltage	400kV per module	IEC 60071
System Capacitance	1500pF	IEC 61869-11
Stage Capacitance	4500pF	IEC 61869-11
Frequency	60Hz (50Hz optional)	IEEE C57.13
Dividing Ratio	4000:1	IEC 60044-7
Accuracy Class	≤±1%	Class 0.5
Dielectric Loss	<0.2%	ASTM D924
System Withstand	1320kV/1min	IEC 60060
Stage Withstand	480kV/1min	IEC 60060
Cooling System	ONAN (Oil Natural Air Natural)	IEC 60076-2
Operating Time	Matched to transformer capabilities	IEEE C57.12.90

Three-Stage Design Advantages

Modular Architecture

Three identical 400kV/4500pF stages:

Series configuration for 1200kV operation
Each stage functions independently
1500pF system capacitance

Advanced Corona Control

Aluminum alloy corona rings:

Discharge-free operation at 1200kV
Optimized for compact transportation
Scalable HV connections

Measurement Flexibility

Multiple configuration options:

Special lead-wire to VFD sources
Single-stage (400kV) to full-system (1200kV)
HV corona-free connections

Stable Removable Base

Engineered pedestal provides:

Exceptional stability at height
Rapid assembly/disassembly
Wind-load resistance up to 100km/h

Performance Specifications

Voltage Withstand Capability

Component	Rated Voltage	Withstand Voltage	Duration
Single Stage	400kV	480kV	1 minute
Full System	1200kV	1320kV	1 minute

Accuracy Metrics (60Hz)

Ratio error: ≤±0.8%
Phase displacement: <4 minutes
Temperature stability: ±0.005%/°C
Frequency response: 45-65Hz ±0.5%

Safety Features

No abnormal discharge at 1320kV
Double mechanical safety margin
Pressure relief membranes
Grounding interlocks

Transportation & Deployment Advantages

Feature	Conventional 1200kV Dividers	LQHVF 3-Stage System	Advantage
Maximum Component Weight	900-1200kg	450kg per stage	60% lighter modules
Shipping Height	11-14 meters	4.8 meters	Standard container compatible
Assembly Time (1200kV)	10-12 hours	4-5 hours	60% faster deployment
Configuration Options	Single voltage	400kV, 800kV, 1200kV	3-in-1 system versatility