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CNAIM (cnaim.io)

Common Network Asset Indices Methodology (CNAIM) package for the R language.

Contains a series of algorithms which determine the probability of failure, consequences of failure and monetary risk associated with electricity distribution companies' assets such as transformers and cables. Results are visualized in an easy-to-understand risk matrix.

Open source implementation by Utiligize inspired by the framework specified by the Distribution Network Operators and the regulator (Ofgem) in Great Britain. The specification document is available here.

Installation

To install the latest development version from GitHub, run the following from an R console:

if (!require('devtools'))
  install.packages('devtools')
devtools::install_github('Utiligize/CNAIM')

A CRAN submission has been made.

Getting Started

We recommend you check out the examples and documentation at cnaim.io.

Contributing

Please report any issues on GitHub or send an email to contact@utiligize.com

License

This package is made available under the MIT license See the LICENSE file for more details.

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Version

Install

install.packages('CNAIM')

Monthly Downloads

260

Version

1.0.1

License

MIT + file LICENSE

Maintainer

Emil Larsen

Last Published

October 29th, 2020

Functions in CNAIM (1.0.1)

environmental_cof_ehv_switchgear

Environmental cost of Failure for EHV swicthgear & 132kV CB
e_cof_tf

Environmental Consequences of Failure for transformers
duty_factor_transformer_33_66kv

Duty Factor for 33/10kV and 66/10kV Transformers and Tapchanger
environmental_cof_poles

Environmental cost of Failure for Poles
environmental_cof_sub_cables

Environmental cost of Failure for sub cables
environmental_cof_ehv_fittings

Environmental cost of Failure for EHV/132kV fittings
dga_test_modifier

DGA Test Modifier
environmental_cof_ehv_cables

Environmental cost of Failure for EHV UG cabkes & 132 kV UG cables
environmental_cof_hv_switchgear_primary

Environmental cost of Failure for HV switchgear primary
ffa_test_modifier

Oil Test Modifier
financial_cof_hv_switchgear_primary

Financial cost of Failure for HV swicthgear primary
financial_cof_lv_ugb

Financial cost of Failure for LV UGB
financial_cof_hv_switchgear_distribution

Financial cost of Failure for HV swicthgear distribution
financial_cof_lv_switchgear_and_other

Financial cost of Failure for LV swicthgear and others
network_cof_hv_switchgear_distribution

Network cost of Failure for HV Switchgear distribution
environmental_cof_hv_switchgear_distribution

Environmental cost of Failure for HV switchgear distribution
pof_hv_switchgear_distribution

Current Probability of Failure for HV Switchgear Distribution
pof_hv_switchgear_primary

Current Probability of Failure for HV Switchgear Primary
network_cof_hv_switchgear_primary

Network cost of Failure for HV Switchgear Primary
environmental_cof_lv_switchgear_and_other

Environmental cost of Failure for LV swicthgear and others
financial_cof_ohl_cond

Financial cost of Failure for Overhead Line Conductors
f_cof_transformer_11kv

Financial Consequences of Failure for a 6.6/11 kV Transformer
network_cof_ehv_sub_cable

Network cost of Failure for EHV /132 kV sub cables
network_cof_ohl_cond

Network cost of Failure for Overhead Line Conductors
network_cof_ehv_switchgear

Network cost of Failure for EHV swicthgear & 132kV CB
network_cof_tower

Network cost of Failure for Towers
beta_2

Forecast Ageing Rate
environmental_cof_ohl_cond

Environmental cost of Failure for Overhead line conductors
environmental_cof_lv_ugb

Environmental cost of Failure for LV UGB
beta_1

Initial Ageing Rate
pof_cables_66_33kv

Current Probability of Failure for 33-66kV cables
environmental_cof_towers

Environmental cost of Failure for towers
environmental_cof_transformers

Environmental cost of Failure for Transformers
financial_cof_poles

Financial cost of Failure for Poles
financial_cof_transformers

Financial cost of Failure for Transformers
financial_cof_ehv_fittings

Financial cost of Failure for EHV/132kV fittings
s_cof_swg_tf_ohl

Safety Consequences of Failure for Switchgears, Transformers & Overhead Lines
network_cof_ehv_pole

Network cost of Failure for EHV Pole
network_cof_ehv_fittings

Network cost of Failure for EHV/132kV Fittings
oil_test_modifier

Oil Test Modifier
network_cof_transformers

Network cost of Failure for Transformers
health_score_excl_ehv_132kv_tf

Health Score Factor for all Assets Categories excl. EHV and 132kV Transformers
network_cof_lv_ugb

Network cost of Failure for LV UGB
network_cof_ehv_cables

Network cost of Failure for EHV UG cabkes & 132 kV UG cables
financial_cof_ehv_cables

Financial cost of Failure for EHV UG cabkes & 132 kV UG cables
network_cof_lv_switchgear_and_other

Network cost of Failure for LV swicthgear and others
n_cof_excl_ehv_132kv_tf

Network cost of Failure for all Assets Categories excl. EHV and 132kV Transformers
pof_ehv_fittings

Current Probability of Failure for EHV/132kV Fittings
initial_health

Initial Health
location_factor

Location Factor (Excl.Submarine Cables)
financial_cof_ehv_switchgear

Financial cost of Failure for EHV swicthgear & 132kV CB
safety_cof_ehv_cables

Safety cost of Failure for EHV UG cabkes & 132 kV UG cables
safety_cof_ehv_fittings

Safety cost of Failure for EHV/132kV Fittings
matrix_adjusted_intervals

Adjust banding for matrix visualization
financial_cof_sub_cables

Financial cost of Failure for Sub cables
financial_cof_towers

Financial cost of Failure for Towers
location_factor_sub

Location Factor (Excl.Submarine Cables)
safety_cof_sub_cables

Safety cost of Failure for Sub cables
safety_cof_towers

Safety cost of Failure for tower
pof_future_cables_66_33kv

Future Probability of Failure for 33-66kV cables
pof_submarine_cables

Current Probability of Failure for Submarine Cables
pof_future_submarine_cables

Future Probability of Failure for Submarine Cables
pof_poles

Current Probability of Failure for Poles
pof_future_ohl_cond_132_66_33kv

Future Probability of Failure for 33-132kV OHL Conductors
pof_future_transformer_33_66kv

Future Probability of Failure for 33/10kV and 66/10kV Transformers
pof_future_ohl_cond_04_10kv

Current Probability of Failure for 0.4-10kV OHL Conductors
risk_matrix_points_plot

Make a risk matrix with individual asset points
pof_future_transformer_11_20kv

Future Probability of Failure for 6.6/11kV and 20kV Transformers
safety_cof_ehv_switchgear

Safety cost of Failure for EHV swicthgear & 132kV CB
safety_cof_hv_switchgear_distribution

Safety cost of Failure for HV Switchgear Distribution
risk_calculation

Calculates risk and converts to matrix coordinates
safety_cof_hv_switchgear_primary

Safety cost of Failure for HV Switchgear Primary
matrix_adjusted_circles

Adjust circles for matrix visualization
network_cof_hv_lv_poles

Network cost of Failure for LV/HV Poles
pof_transformer_33_66kv

Current Probability of Failure for 33/10kV and 66/10kV Transformers
mmi

Maximum and Multiple Increment (MMI) Technique
pof_132kv_cb

Current Probability of Failure for 132kV Switchgear
pof_cables_20_10_04kv

Current Probability of Failure for 20/10/0.4kV cables
safety_cof_ohl_cond

Safety cost of Failure for Overhead Line Conductors
predict_weibull_model

Prediction function for Weibull model
pof_ohl_cond_04_10kv

Current Probability of Failure for 0.4-10kV OHL Conductors
safety_cof_poles

Safety cost of Failure for Pole
pof_ohl_cond_132_66_33kv

Current Probability of Failure for 33-132kV OHL Conductors
network_cof_hv_sub_cables

Network cost of Failure for HV Sub cables
train_weibull_model

Training function for Weibull model
safety_cof_transformers

Safety cost of Failure for Transformer
pof_towers

Current Probability of Failure for Towers
pof_lv_switchgear_and_other

Current Probability of Failure for LV switchgear and others
pof_lv_ugb

Current Probability of Failure for LV UGB
pof_future_cables_20_10_04kv

Future Probability of Failure for 20/10/0.4kV cables
pof_ehv_switchgear

Current Probability of Failure for EHV Switchgear
risk_matrix_summary_plot

Make a risk matrix with non-linear spacing
risk_matrix_structure

Makes a default risk matrix structure
pof_transformer_11_20kv

Current Probability of Failure for 6.6/11kV and 20kV Transformers
safety_cof_lv_switchgear_and_other

Safety cost of Failure for LV swicthgear and others
safety_cof_lv_ugb

Safety cost of Failure for LV UGB
transformer_11kv_faults

Failure statistics dataset for 10,000 6.6/11kV transformers
duty_factor_cables

Duty Factor for all cables (incl. submarine cables).
current_health

Current Health score
cof

Consequences of Failure
cof_transformer_11kv

Consequences of Failure for a 6.6/11 kV transformer
duty_factor_transformer_11_20kv

Duty Factor for 6.6/11kV and 20kV Transformers
expected_life

Expected Life