(Repair, Test) Electric Power Level 3 Test Category Installation and Maintenance Facilities
Installation and Test Instruments:
Power Frequency AC Withstand Voltage Test Device, Ground Continuity Tester, Transformer DC Resistance Tester, Transformer Ratio Tester, Transformer Winding Deformation Tester, On-load Tap Changer Tester, Circuit Breaker Characteristics Tester, Zinc Oxide Arrester Resistive Current Tester, Three-phase Relay Protection Tester, Lightning Counter Calibrator, Insulation Resistance Tester, Megohmmeter, Dual-clamp Phase Digital Volt-ammeter.
DC High Voltage Generator, Variable Frequency Series Resonance Test Complete Set, Power Frequency Withstand Voltage Test Device, Induced Withstand Voltage Test Device, High Voltage Dielectric Loss Tester, Loop Resistance Tester, Transformer Volt-ampere Characteristics Tester, Ground Resistance Tester
Configuration Table of Main Test Equipment for Level 3 Repair, Installation, and Test Qualifications
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No. |
Equipment Name |
Specification/Model |
Quantity |
Application Range / Purpose |
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I. High Voltage Generation Equipment |
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1 |
DC High Voltage Generator |
ZGF-200KV/3mA |
1 set |
DC: 200kV/3mA for testing transformers, arresters, and DC withstand voltage tests |
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DC High Voltage Generator |
DC: 120kV/2mA |
1 set |
DC: 120kV/2mA for testing transformers, arresters, and DC withstand voltage tests |
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2A |
Power Frequency AC Withstand Voltage Test Complete Set |
TQSB-10KVA/110KV |
1 set |
AC: 10kVA/110kV for transformers, switches, PT/CP/reactors (35KV) |
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2B |
TQSB -5KVA/50KV |
1 set |
AC: 5kVA/50kV for transformers, cables, arresters, etc. AC withstand voltage (10kV) |
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3 |
Variable Frequency Series Resonance Test Complete Set |
GHXZ-500kVA/200kV |
1 set |
500kVA/200kV/2.5A/30～300Hz for cables, transformers, etc. |
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4 |
Induced Withstand Voltage Test Device |
SBF-15kVA/600V |
1 set |
15kVA/600V 150Hz for induced withstand voltage tests on graded insulation electrical equipment |
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II. Electrical Measuring Instruments |
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1 |
Loop Resistance Tester |
GHL-100A |
2 units |
DC: ≥100A for high-voltage switches, GIS, disconnectors |
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2 |
Transformer Volt-ampere Characteristics Tester |
HGQ-600 |
1 unit |
(1100V/5A) for 110kV current transformers (CT/PT) |
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3 |
Capacitance and Inductance Tester |
GHRG |
1 unit |
Three-phase simultaneous measurement, capacitors, inductors |
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4 |
Ground Continuity Tester |
GHJD-10A |
1 unit |
Conductivity of the connection between power equipment and ground grid |
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5 |
Transformer Winding Deformation Tester |
GHBX-III |
1 unit |
Frequency response method |
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6 |
Circuit Breaker Dynamic Characteristics Tester |
GKC-H |
2 units |
0.2 class, 12 breaks |
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7 |
Zinc Oxide Arrester Resistive Current Tester |
YHX-10A |
1 unit |
DC: ≤1A for transformers |
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8 |
Three-phase Relay Protection Tester |
GHJB-300 |
1 unit |
Three-phase voltage, two groups each of voltage and current |
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9 |
Transformer On-load Tap Changer Tester |
BYKC-2000 |
1 unit |
≥1A to check the complete action sequence of the switch and contacts |
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|
10 |
High Voltage Dielectric Loss Tester |
GHJS |
2 units |
Dielectric loss tests on transformers, instrument transformers, bushings, etc. |
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11 |
Lightning Counter Action Tester / Rod Type |
FZ-Z |
1 unit |
Whether the arrester discharge counter operates normally |
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|
12 |
Insulation Resistance Tester |
GH2672 |
2 units |
DC: 0～5000V 200G(MΩ) short-circuit current ≥3mA |
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13 |
Ground Grid Resistance Tester |
GHDW-5A |
1 unit |
Heterodyne method, to check the ground grid resistance |
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14 |
Transformer DC Resistance Tester |
ZGY-10A |
2 units |
DC resistance test on transformers |
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15 |
Transformer Ratio Tester |
GHBZC |
1 unit |
0.5 class, digital |
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III. Oil and Gas Test Instruments |
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1 |
SF6 Leak Detector |
XP-1A |
1 unit |
SF6 gas leak detection and measurement |
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5 |
Moisture Meter |
GHWS |
1 unit |
SF6 gas trace moisture measurement |
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IV. Common Instruments and Meters |
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1 |
Megohmmeter |
BY2671 |
1 unit |
DC: 2500V for transformers, cables, lines, etc. |
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