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Instruction Leaflet

IL019226EN

Effective October 2018

C-HRG technical information

and adjustment procedure

EATON

www.eaton.com

Note

: 3W load, one cable per phase, phase C is faulted to ground inside conduit. Ground current can

divide into several components, depending on number, conductivity, and location of conduit ground points.

Figure 18. Example of a typical fault

Содержание C-HRG

Страница 9: ...019226EN Effective October 2018 C HRG technical information and adjustment procedure EATON www eaton com Figure 4 Four wire system fault detection via current relay Figure 5 Four wire system fault detection via voltmeter relay ...

Страница 10: ...g zag grounding transformers fault detection via current relay Figure 7 Three wire system zig zag grounding transformers fault detection via voltmeter relay Figure 8 Three wire system wye broken delta grounding transformers fault detection via current relay Figure 9 Three wire system wye broken delta grounding transformers fault detection via voltmeter relay ...

Страница 11: ...ion Leaflet IL019226EN Effective October 2018 C HRG technical information and adjustment procedure EATON www eaton com Figure 10 Typical enclosure dimensions for NEMA 1 free standing system dimensions in inches mm ...

Страница 12: ...ion Leaflet IL019226EN Effective October 2018 C HRG technical information and adjustment procedure EATON www eaton com Figure 11 Typical enclosure dimensions for NEMA 1 wall mounted system dimensions in inches mm ...

Страница 13: ...13 Instruction Leaflet IL019226EN Effective October 2018 C HRG technical information and adjustment procedure EATON www eaton com Figure 12 Test log ...

Страница 14: ...ction Leaflet IL019226EN Effective October 2018 C HRG technical information and adjustment procedure EATON www eaton com Figure 13 Standard front control panel detail voltmeter relay and alarm horn options shown ...

Страница 15: ...d adjustment procedure EATON www eaton com Figure 14 Typical control scheme with fault detection via current relay and alarm option with re alarm timer Figure 15 Typical control scheme with fault detection via voltmeter optional loss of control power relay and optional push to test lights ...

Страница 16: ... clamp on ammeter to trace fault always include all three phases within ammeter jaws Figure 16 Clamp on ammeter Note 3W load one cable per phase phase C is faulted to ground inside conduit Ground current can divide into several components depending on number conductivity and location of conduit ground points Figure 17 Example of a typical fault ...

Страница 17: ...ion and adjustment procedure EATON www eaton com Note 3W load one cable per phase phase C is faulted to ground inside conduit Ground current can divide into several components depending on number conductivity and location of conduit ground points Figure 18 Example of a typical fault ...

Страница 18: ...18 Instruction Leaflet IL019226EN Effective October 2018 C HRG technical information and adjustment procedure EATON www eaton com C HRG maintenance form Date Maintenance item By ...

Страница 19: ...19 Instruction Leaflet IL019226EN Effective October 2018 C HRG technical information and adjustment procedure EATON www eaton com ...

Страница 20: ... All Rights Reserved Printed in USA Publication No IL019226EN Z21760 October 2018 Eaton is a registered trademark All other trademarks are property of their respective owners C HRG technical information and adjustment procedure Instruction Leaflet IL019226EN Effective October 2018 ...